Flights from Chicago (CHI) to Porto (OPO)

Flight schedules from Chicago to Porto with Star Alliance member carriers

Please note that due to the current global situation of COVID-19 some of the flight schedules from our member carriers are subject to change on short notice. We recommend using our Member Airlines' Information Page. for the latest flight updates, details on booking flexibility as well as brspecific Frequent Flyer Program information.

Outbound (52)

Sort by

Chicago US
ORD17:07
10h 38m
1 Stop
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 699
  Chicago. US
  ORD 17:07
  2h 28m
  721 Miles
  New York. US
  EWR 20:35
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  Boeing 757-200 Passenger
  Operated by United Airlines
Chicago US
ORD18:00
10h 50m
1 Stop
Porto PT
OPO10:50
+1 day/s
Chicago - Porto
TAP Air Portugal
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1TAP Air Portugal TP 244
  Chicago. US
  ORD 18:00
  7h 55m
  4021 Miles
  Lisbon. PT
  LIS 07:55
  Airbus A330-900neo Passenger
  Operated by TAP Air Portugal
2. Flight 2TAP Air Portugal TP 1926
  Lisbon. PT
  LIS 09:55
  0h 55m
  172 Miles
  Porto. PT
  OPO 10:50
  Airbus A319 Passenger
  Operated by TAP Air Portugal
Chicago US
ORD17:07
11h 28m
1 Stop
Porto PT
OPO10:35
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 699
  Chicago. US
  ORD 17:07
  2h 28m
  721 Miles
  New York. US
  EWR 20:35
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2TAP Air Portugal TP 212
  New York. US
  EWR 22:50
  6h 45m
  3350 Miles
  Porto. PT
  OPO 10:35
  Airbus A321neo
  Operated by TAP Air Portugal
Chicago US
ORD15:50
11h 55m
1 Stop
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 322
  Chicago. US
  ORD 15:50
  2h 25m
  721 Miles
  New York. US
  EWR 19:15
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  Boeing 757-200 Passenger
  Operated by United Airlines
Chicago US
ORD18:00
12h 5m
1 Stop
Porto PT
OPO12:05
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 972
  Chicago. US
  ORD 18:00
  8h 0m
  4171 Miles
  Brussels. BE
  BRU 09:00
  Boeing 787-10
  Operated by United Airlines
2. Flight 2Brussels Airlines SN 3811
  Brussels. BE
  BRU 10:30
  2h 35m
  920 Miles
  Porto. PT
  OPO 12:05
  Airbus A320 Passenger
  Operated by Brussels Airlines
Chicago US
ORD15:50
12h 45m
1 Stop
Porto PT
OPO10:35
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 322
  Chicago. US
  ORD 15:50
  2h 25m
  721 Miles
  New York. US
  EWR 19:15
  Boeing 757-200 Passenger
  Operated by United Airlines
2. Flight 2TAP Air Portugal TP 212
  New York. US
  EWR 22:50
  6h 45m
  3350 Miles
  Porto. PT
  OPO 10:35
  Airbus A321neo
  Operated by TAP Air Portugal
Chicago US
ORD15:00
12h 45m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2605
  Chicago. US
  ORD 15:00
  1h 57m
  614 Miles
  Washington. US
  DCA 17:57
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 4602
  Washington. US
  DCA 19:15
  1h 31m
  199 Miles
  New York. US
  EWR 20:46
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD15:00
12h 45m
1 Stop
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2298
  Chicago. US
  ORD 15:00
  2h 19m
  735 Miles
  New York. US
  LGA 18:19
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  Boeing 757-200 Passenger
  Operated by United Airlines
Chicago US
ORD15:35
12h 50m
1 Stop
Porto PT
OPO10:25
+1 day/s
Chicago - Porto
Lufthansa
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Lufthansa LH 437
  Chicago. US
  ORD 15:35
  8h 45m
  4542 Miles
  Munich. DE
  MUC 07:20
  Airbus A340-600
  Operated by Lufthansa
2. Flight 2Lufthansa LH 1782
  Munich. DE
  MUC 08:25
  3h 0m
  1118 Miles
  Porto. PT
  OPO 10:25
  Airbus A321 Passenger
  Operated by Lufthansa
Chicago US
ORD14:35
13h 10m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2654
  Chicago. US
  ORD 14:35
  2h 5m
  610 Miles
  Atlanta. US
  ATL 17:40
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 3676
  Atlanta. US
  ATL 18:27
  2h 32m
  749 Miles
  New York. US
  EWR 20:59
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD14:30
13h 15m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2226
  Chicago. US
  ORD 14:30
  1h 22m
  316 Miles
  Cleveland. US
  CLE 16:52
  Boeing 737-700 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 783
  Cleveland. US
  CLE 19:23
  1h 36m
  405 Miles
  New York. US
  EWR 20:59
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD16:00
13h 20m
1 Stop
Porto PT
OPO11:20
+1 day/s
Chicago - Porto
Lufthansa
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Lufthansa LH 431
  Chicago. US
  ORD 16:00
  8h 20m
  4355 Miles
  Frankfurt. DE
  FRA 07:20
  Boeing 747-8 Passenger
  Operated by Lufthansa
2. Flight 2Lufthansa LH 1176
  Frankfurt. DE
  FRA 09:30
  2h 50m
  1033 Miles
  Porto. PT
  OPO 11:20
  Airbus A321 Passenger
  Operated by Lufthansa
Chicago US
ORD14:25
13h 20m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2207
  Chicago. US
  ORD 14:25
  1h 32m
  413 Miles
  Pittsburgh. US
  PIT 16:57
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 3704
  Pittsburgh. US
  PIT 18:50
  1h 38m
  320 Miles
  New York. US
  EWR 20:28
  Embraer 170
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD14:05
13h 40m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2640
  Chicago. US
  ORD 14:05
  1h 57m
  614 Miles
  Washington. US
  DCA 17:02
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 4602
  Washington. US
  DCA 19:15
  1h 31m
  199 Miles
  New York. US
  EWR 20:46
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD15:50
13h 40m
1 Stop
Porto PT
OPO11:30
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 3
  Chicago. US
  ORD 15:50
  8h 55m
  4455 Miles
  Zurich. CH
  ZRH 07:45
  Boeing 767-300 Passenger
  Operated by United Airlines
2. Flight 2Swiss LX 2066
  Zurich. CH
  ZRH 09:55
  2h 35m
  956 Miles
  Porto. PT
  OPO 11:30
  Airbus A321 Passenger
  Operated by Swiss
Chicago US
ORD13:57
13h 48m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2037
  Chicago. US
  ORD 13:57
  2h 29m
  869 Miles
  Boston. US
  BOS 17:26
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 1391
  Boston. US
  BOS 19:10
  1h 33m
  201 Miles
  New York. US
  EWR 20:43
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD15:10
14h 10m
1 Stop
Porto PT
OPO11:20
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 944
  Chicago. US
  ORD 15:10
  8h 20m
  4355 Miles
  Frankfurt. DE
  FRA 06:30
  Boeing 787-10
  Operated by United Airlines
2. Flight 2Lufthansa LH 1176
  Frankfurt. DE
  FRA 09:30
  2h 50m
  1033 Miles
  Porto. PT
  OPO 11:20
  Airbus A321 Passenger
  Operated by Lufthansa
Chicago US
ORD12:59
14h 46m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1830
  Chicago. US
  ORD 12:59
  1h 59m
  590 Miles
  Washington. US
  IAD 15:58
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 4423
  Washington. US
  IAD 17:24
  1h 35m
  212 Miles
  New York. US
  EWR 18:59
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD12:59
14h 46m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1830
  Chicago. US
  ORD 12:59
  1h 59m
  590 Miles
  Washington. US
  IAD 15:58
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 3497
  Washington. US
  IAD 17:10
  1h 28m
  229 Miles
  New York. US
  LGA 18:38
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD12:55
14h 50m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1332
  Chicago. US
  ORD 12:55
  2h 29m
  869 Miles
  Boston. US
  BOS 16:24
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 521
  Boston. US
  BOS 17:50
  1h 42m
  201 Miles
  New York. US
  EWR 19:32
  Airbus A319 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD12:55
14h 50m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1332
  Chicago. US
  ORD 12:55
  2h 29m
  869 Miles
  Boston. US
  BOS 16:24
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 1391
  Boston. US
  BOS 19:10
  1h 33m
  201 Miles
  New York. US
  EWR 20:43
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD13:02
14h 53m
2 Stops
Porto PT
OPO09:55
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 625
  Chicago. US
  ORD 13:02
  1h 41m
  437 Miles
  Toronto. CA
  YYZ 15:43
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2TAP Air Portugal TP 258
  Toronto. CA
  YYZ 17:40
  7h 5m
  3587 Miles
  Lisbon. PT
  LIS 05:45
  Airbus A321neo
  Operated by TAP Air Portugal
3. Flight 3TAP Air Portugal TP 1924
  Lisbon. PT
  LIS 08:55
  1h 0m
  172 Miles
  Porto. PT
  OPO 09:55
  
  Operated by TAP Air Portugal
Chicago US
ORD12:45
15h 0m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2850
  Chicago. US
  ORD 12:45
  2h 42m
  891 Miles
  Denver. US
  DEN 14:27
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1715
  Denver. US
  DEN 15:10
  3h 49m
  1609 Miles
  New York. US
  EWR 20:59
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD12:55
15h 0m
2 Stops
Porto PT
OPO09:55
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1332
  Chicago. US
  ORD 12:55
  2h 29m
  869 Miles
  Boston. US
  BOS 16:24
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2TAP Air Portugal TP 218
  Boston. US
  BOS 18:15
  6h 35m
  3202 Miles
  Lisbon. PT
  LIS 05:50
  Airbus A321neo
  Operated by TAP Air Portugal
3. Flight 3TAP Air Portugal TP 1924
  Lisbon. PT
  LIS 08:55
  1h 0m
  172 Miles
  Porto. PT
  OPO 09:55
  
  Operated by TAP Air Portugal
Chicago US
ORD18:35
15h 10m
1 Stop
Porto PT
OPO15:45
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 907
  Chicago. US
  ORD 18:35
  8h 20m
  4355 Miles
  Frankfurt. DE
  FRA 09:55
  Boeing 787-10
  Operated by United Airlines
2. Flight 2Lufthansa LH 1178
  Frankfurt. DE
  FRA 13:55
  2h 50m
  1033 Miles
  Porto. PT
  OPO 15:45
  Airbus A321 Passenger
  Operated by Lufthansa
Chicago US
ORD21:30
15h 30m
2 Stops
Porto PT
OPO19:00
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 938
  Chicago. US
  ORD 21:30
  8h 15m
  3964 Miles
  London. GB
  LHR 11:45
  Boeing 767-300 Passenger
  Operated by United Airlines
2. Flight 2TAP Air Portugal TP 1359
  London. GB
  LHR 13:45
  2h 45m
  977 Miles
  Lisbon. PT
  LIS 16:30
  Airbus A321neo
  Operated by TAP Air Portugal
3. Flight 3TAP Air Portugal TP 1932
  Lisbon. PT
  LIS 18:00
  1h 0m
  172 Miles
  Porto. PT
  OPO 19:00
  
  Operated by TAP Air Portugal
Chicago US
ORD11:45
16h 10m
2 Stops
Porto PT
OPO09:55
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2856
  Chicago. US
  ORD 11:45
  2h 16m
  721 Miles
  New York. US
  EWR 15:01
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2TAP Air Portugal TP 202
  New York. US
  EWR 17:40
  6h 55m
  3395 Miles
  Lisbon. PT
  LIS 05:35
  Airbus A321neo
  Operated by TAP Air Portugal
3. Flight 3TAP Air Portugal TP 1924
  Lisbon. PT
  LIS 08:55
  1h 0m
  172 Miles
  Porto. PT
  OPO 09:55
  
  Operated by TAP Air Portugal
Chicago US
ORD11:19
16h 26m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2225
  Chicago. US
  ORD 11:19
  2h 43m
  1011 Miles
  Orlando. US
  MCO 15:02
  Airbus A321neo
  Operated by United Airlines
2. Flight 2United Airlines UA 2724
  Orlando. US
  MCO 17:02
  2h 47m
  944 Miles
  New York. US
  EWR 19:49
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD11:19
16h 26m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2225
  Chicago. US
  ORD 11:19
  2h 43m
  1011 Miles
  Orlando. US
  MCO 15:02
  Airbus A321neo
  Operated by United Airlines
2. Flight 2United Airlines UA 2321
  Orlando. US
  MCO 15:32
  2h 43m
  944 Miles
  New York. US
  EWR 18:15
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD11:10
16h 45m
2 Stops
Porto PT
OPO09:55
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1097
  Chicago. US
  ORD 11:10
  1h 56m
  614 Miles
  Washington. US
  DCA 14:06
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2TAP Air Portugal TP 232
  Washington. US
  IAD 17:10
  7h 30m
  3602 Miles
  Lisbon. PT
  LIS 05:40
  Airbus A321neo
  Operated by TAP Air Portugal
3. Flight 3TAP Air Portugal TP 1924
  Lisbon. PT
  LIS 08:55
  1h 0m
  172 Miles
  Porto. PT
  OPO 09:55
  
  Operated by TAP Air Portugal
Chicago US
ORD10:55
16h 50m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1555
  Chicago. US
  ORD 10:55
  2h 42m
  891 Miles
  Denver. US
  DEN 12:37
  Boeing 757-300 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1677
  Denver. US
  DEN 13:50
  3h 55m
  1609 Miles
  New York. US
  EWR 19:45
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD10:55
16h 50m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1555
  Chicago. US
  ORD 10:55
  2h 42m
  891 Miles
  Denver. US
  DEN 12:37
  Boeing 757-300 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1715
  Denver. US
  DEN 15:10
  3h 49m
  1609 Miles
  New York. US
  EWR 20:59
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD11:05
16h 50m
2 Stops
Porto PT
OPO09:55
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1653
  Chicago. US
  ORD 11:05
  2h 30m
  869 Miles
  Boston. US
  BOS 14:35
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2TAP Air Portugal TP 218
  Boston. US
  BOS 18:15
  6h 35m
  3202 Miles
  Lisbon. PT
  LIS 05:50
  Airbus A321neo
  Operated by TAP Air Portugal
3. Flight 3TAP Air Portugal TP 1924
  Lisbon. PT
  LIS 08:55
  1h 0m
  172 Miles
  Porto. PT
  OPO 09:55
  
  Operated by TAP Air Portugal
Chicago US
ORD11:00
16h 55m
2 Stops
Porto PT
OPO09:55
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2673
  Chicago. US
  ORD 11:00
  2h 14m
  735 Miles
  New York. US
  LGA 14:14
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2TAP Air Portugal TP 202
  New York. US
  EWR 17:40
  6h 55m
  3395 Miles
  Lisbon. PT
  LIS 05:35
  Airbus A321neo
  Operated by TAP Air Portugal
3. Flight 3TAP Air Portugal TP 1924
  Lisbon. PT
  LIS 08:55
  1h 0m
  172 Miles
  Porto. PT
  OPO 09:55
  
  Operated by TAP Air Portugal
Chicago US
ORD10:43
17h 2m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1857
  Chicago. US
  ORD 10:43
  3h 14m
  1205 Miles
  Miami. US
  MIA 14:57
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 762
  Miami. US
  MIA 16:52
  3h 8m
  1093 Miles
  New York. US
  EWR 20:00
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD12:59
17h 6m
2 Stops
Porto PT
OPO12:05
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1830
  Chicago. US
  ORD 12:59
  1h 59m
  590 Miles
  Washington. US
  IAD 15:58
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2Brussels Airlines SN 516
  Washington. US
  IAD 18:00
  7h 50m
  3903 Miles
  Brussels. BE
  BRU 07:50
  Airbus A330-300 Passenger
  Operated by Brussels Airlines
3. Flight 3Brussels Airlines SN 3811
  Brussels. BE
  BRU 10:30
  2h 35m
  920 Miles
  Porto. PT
  OPO 12:05
  
  Operated by Brussels Airlines
Chicago US
ORD10:45
17h 10m
2 Stops
Porto PT
OPO09:55
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2852
  Chicago. US
  ORD 10:45
  2h 15m
  721 Miles
  New York. US
  EWR 14:00
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2TAP Air Portugal TP 202
  New York. US
  EWR 17:40
  6h 55m
  3395 Miles
  Lisbon. PT
  LIS 05:35
  Airbus A321neo
  Operated by TAP Air Portugal
3. Flight 3TAP Air Portugal TP 1924
  Lisbon. PT
  LIS 08:55
  1h 0m
  172 Miles
  Porto. PT
  OPO 09:55
  
  Operated by TAP Air Portugal
Chicago US
ORD10:35
17h 10m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2483
  Chicago. US
  ORD 10:35
  2h 51m
  930 Miles
  Houston. US
  IAH 13:26
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 1181
  Houston. US
  IAH 14:34
  3h 36m
  1405 Miles
  New York. US
  EWR 19:10
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD10:35
17h 10m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1297
  Chicago. US
  ORD 10:35
  2h 5m
  610 Miles
  Atlanta. US
  ATL 13:40
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 3550
  Atlanta. US
  ATL 16:12
  2h 28m
  749 Miles
  New York. US
  EWR 18:40
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD10:43
17h 12m
2 Stops
Porto PT
OPO09:55
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1857
  Chicago. US
  ORD 10:43
  3h 14m
  1205 Miles
  Miami. US
  MIA 14:57
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2TAP Air Portugal TP 224
  Miami. US
  MIA 16:20
  8h 15m
  4172 Miles
  Lisbon. PT
  LIS 05:35
  Airbus A330-900neo Passenger
  Operated by TAP Air Portugal
3. Flight 3TAP Air Portugal TP 1924
  Lisbon. PT
  LIS 08:55
  1h 0m
  172 Miles
  Porto. PT
  OPO 09:55
  
  Operated by TAP Air Portugal
Chicago US
ORD19:15
17h 45m
2 Stops
Porto PT
OPO19:00
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Swiss LX 9
  Chicago. US
  ORD 19:15
  8h 35m
  4455 Miles
  Zurich. CH
  ZRH 10:50
  Airbus A330-300 Passenger
  Operated by Swiss
2. Flight 2TAP Air Portugal TP 931
  Zurich. CH
  ZRH 13:15
  2h 55m
  1076 Miles
  Lisbon. PT
  LIS 15:10
  Airbus A319 Passenger
  Operated by TAP Air Portugal
3. Flight 3TAP Air Portugal TP 1932
  Lisbon. PT
  LIS 18:00
  1h 0m
  172 Miles
  Porto. PT
  OPO 19:00
  
  Operated by TAP Air Portugal
Chicago US
ORD12:00
18h 5m
2 Stops
Porto PT
OPO12:05
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2465
  Chicago. US
  ORD 12:00
  2h 9m
  735 Miles
  New York. US
  LGA 15:09
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2Brussels Airlines SN 502
  New York. US
  JFK 18:10
  7h 30m
  3677 Miles
  Brussels. BE
  BRU 07:40
  Airbus A330-300 Passenger
  Operated by Brussels Airlines
3. Flight 3Brussels Airlines SN 3811
  Brussels. BE
  BRU 10:30
  2h 35m
  920 Miles
  Porto. PT
  OPO 12:05
  
  Operated by Brussels Airlines
Chicago US
ORD15:35
18h 10m
2 Stops
Porto PT
OPO15:45
+1 day/s
Chicago - Porto
Lufthansa
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Lufthansa LH 437
  Chicago. US
  ORD 15:35
  8h 45m
  4542 Miles
  Munich. DE
  MUC 07:20
  Airbus A340-600
  Operated by Lufthansa
2. Flight 2Lufthansa LH 101
  Munich. DE
  MUC 10:00
  1h 0m
  187 Miles
  Frankfurt. DE
  FRA 11:00
  Airbus A320 Passenger
  Operated by Lufthansa
3. Flight 3Lufthansa LH 1178
  Frankfurt. DE
  FRA 13:55
  2h 50m
  1033 Miles
  Porto. PT
  OPO 15:45
  
  Operated by Lufthansa
Chicago US
ORD15:35
18h 10m
2 Stops
Porto PT
OPO15:45
+1 day/s
Chicago - Porto
Lufthansa
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Lufthansa LH 437
  Chicago. US
  ORD 15:35
  8h 45m
  4542 Miles
  Munich. DE
  MUC 07:20
  Airbus A340-600
  Operated by Lufthansa
2. Flight 2Lufthansa LH 103
  Munich. DE
  MUC 11:00
  1h 0m
  187 Miles
  Frankfurt. DE
  FRA 12:00
  Airbus A321 Passenger
  Operated by Lufthansa
3. Flight 3Lufthansa LH 1178
  Frankfurt. DE
  FRA 13:55
  2h 50m
  1033 Miles
  Porto. PT
  OPO 15:45
  
  Operated by Lufthansa
Chicago US
ORD11:45
18h 20m
2 Stops
Porto PT
OPO12:05
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2856
  Chicago. US
  ORD 11:45
  2h 16m
  721 Miles
  New York. US
  EWR 15:01
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2Brussels Airlines SN 502
  New York. US
  JFK 18:10
  7h 30m
  3677 Miles
  Brussels. BE
  BRU 07:40
  Airbus A330-300 Passenger
  Operated by Brussels Airlines
3. Flight 3Brussels Airlines SN 3811
  Brussels. BE
  BRU 10:30
  2h 35m
  920 Miles
  Porto. PT
  OPO 12:05
  
  Operated by Brussels Airlines
Chicago US
ORD18:35
18h 25m
2 Stops
Porto PT
OPO19:00
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 907
  Chicago. US
  ORD 18:35
  8h 20m
  4355 Miles
  Frankfurt. DE
  FRA 09:55
  Boeing 787-10
  Operated by United Airlines
2. Flight 2TAP Air Portugal TP 571
  Frankfurt. DE
  FRA 13:30
  3h 10m
  1170 Miles
  Lisbon. PT
  LIS 15:40
  Airbus A321neo
  Operated by TAP Air Portugal
3. Flight 3TAP Air Portugal TP 1932
  Lisbon. PT
  LIS 18:00
  1h 0m
  172 Miles
  Porto. PT
  OPO 19:00
  
  Operated by TAP Air Portugal
Chicago US
ORD18:15
18h 45m
2 Stops
Porto PT
OPO19:00
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 920
  Chicago. US
  ORD 18:15
  8h 15m
  3964 Miles
  London. GB
  LHR 08:30
  Boeing 767-300 Passenger
  Operated by United Airlines
2. Flight 2TAP Air Portugal TP 1367
  London. GB
  LHR 11:20
  2h 40m
  977 Miles
  Lisbon. PT
  LIS 14:00
  Airbus A321neo
  Operated by TAP Air Portugal
3. Flight 3TAP Air Portugal TP 1932
  Lisbon. PT
  LIS 18:00
  1h 0m
  172 Miles
  Porto. PT
  OPO 19:00
  
  Operated by TAP Air Portugal
Chicago US
ORD08:58
18h 47m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 546
  Chicago. US
  ORD 08:58
  2h 50m
  930 Miles
  Houston. US
  IAH 11:48
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1181
  Houston. US
  IAH 14:34
  3h 36m
  1405 Miles
  New York. US
  EWR 19:10
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD08:58
18h 47m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 546
  Chicago. US
  ORD 08:58
  2h 50m
  930 Miles
  Houston. US
  IAH 11:48
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1672
  Houston. US
  IAH 13:50
  3h 33m
  1405 Miles
  New York. US
  EWR 18:23
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD08:50
18h 55m
2 Stops
Porto PT
OPO09:45
+1 day/s
Chicago - Porto
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2323
  Chicago. US
  ORD 08:50
  2h 49m
  1011 Miles
  Orlando. US
  MCO 12:39
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 2321
  Orlando. US
  MCO 15:32
  2h 43m
  944 Miles
  New York. US
  EWR 18:15
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:55
  6h 50m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD11:10
18h 55m
2 Stops
Porto PT
OPO12:05
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1097
  Chicago. US
  ORD 11:10
  1h 56m
  614 Miles
  Washington. US
  DCA 14:06
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2Brussels Airlines SN 516
  Washington. US
  IAD 18:00
  7h 50m
  3903 Miles
  Brussels. BE
  BRU 07:50
  Airbus A330-300 Passenger
  Operated by Brussels Airlines
3. Flight 3Brussels Airlines SN 3811
  Brussels. BE
  BRU 10:30
  2h 35m
  920 Miles
  Porto. PT
  OPO 12:05
  
  Operated by Brussels Airlines
Chicago US
ORD11:00
19h 5m
2 Stops
Porto PT
OPO12:05
+1 day/s
Chicago - Porto
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2673
  Chicago. US
  ORD 11:00
  2h 14m
  735 Miles
  New York. US
  LGA 14:14
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2Brussels Airlines SN 502
  New York. US
  JFK 18:10
  7h 30m
  3677 Miles
  Brussels. BE
  BRU 07:40
  Airbus A330-300 Passenger
  Operated by Brussels Airlines
3. Flight 3Brussels Airlines SN 3811
  Brussels. BE
  BRU 10:30
  2h 35m
  920 Miles
  Porto. PT
  OPO 12:05
  
  Operated by Brussels Airlines

Start your journey with just one click

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto

Chicago - Porto