Flights from Chicago (CHI) to Porto (OPO)

Flight schedules from Chicago to Porto with Star Alliance member carriers

Please note that the flight schedules of 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 specific Frequent Flyer Program information.

Outbound (41)

Sort by

Chicago US
ORD18:00
10h 40m
1 Stop
Porto PT
OPO10:40
+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 09:40
  1h 0m
  172 Miles
  Porto. PT
  OPO 10:40
  Embraer 190
  Operated by TAP Air Portugal
Chicago US
ORD16:04
11h 41m
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 622
  Chicago. US
  ORD 16:04
  2h 26m
  721 Miles
  New York. US
  EWR 19:30
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  Boeing 757-200 Passenger
  Operated by United Airlines
Chicago US
ORD17:55
12h 10m
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 17:55
  8h 5m
  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 A320neo
  Operated by Brussels Airlines
Chicago US
ORD16:04
12h 31m
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 622
  Chicago. US
  ORD 16:04
  2h 26m
  721 Miles
  New York. US
  EWR 19:30
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  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
ORD16:00
12h 35m
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 2138
  Chicago. US
  ORD 16:00
  2h 12m
  735 Miles
  New York. US
  LGA 19:12
  Airbus A319 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
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 2329
  Chicago. US
  ORD 15:00
  2h 11m
  735 Miles
  New York. US
  LGA 18:11
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  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 30m
  4542 Miles
  Munich. DE
  MUC 07:05
  Airbus A350-900
  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
ORD14:55
12h 50m
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 2184
  Chicago. US
  ORD 14:55
  2h 26m
  721 Miles
  New York. US
  EWR 18:21
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  Boeing 757-200 Passenger
  Operated by United Airlines
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 441
  Chicago. US
  ORD 14:25
  2h 6m
  610 Miles
  Atlanta. US
  ATL 17:31
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1697
  Atlanta. US
  ATL 18:32
  2h 28m
  749 Miles
  New York. US
  EWR 21:00
  Airbus A319 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  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
ORD14:22
13h 23m
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 14:22
  1h 19m
  316 Miles
  Cleveland. US
  CLE 16:41
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 528
  Cleveland. US
  CLE 17:45
  1h 45m
  405 Miles
  New York. US
  EWR 19:30
  Boeing 737-700 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD14:20
13h 25m
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 14:20
  1h 35m
  413 Miles
  Pittsburgh. US
  PIT 16:55
  Boeing 737-700 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 3541
  Pittsburgh. US
  PIT 19:14
  1h 46m
  320 Miles
  New York. US
  EWR 21:00
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD14:11
13h 34m
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 378
  Chicago. US
  ORD 14:11
  2h 24m
  869 Miles
  Boston. US
  BOS 17:35
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 466
  Boston. US
  BOS 18:55
  1h 35m
  201 Miles
  New York. US
  EWR 20:30
  Airbus A319 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD15:40
13h 40m
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 3
  Chicago. US
  ORD 15:40
  9h 5m
  4455 Miles
  Zurich. CH
  ZRH 07:45
  Boeing 767-300 Passenger
  Operated by United Airlines
2. Flight 2Swiss LX 2066
  Zurich. CH
  ZRH 09:45
  2h 35m
  956 Miles
  Porto. PT
  OPO 11:20
  Airbus A220-300 Passenger
  Operated by Swiss
Chicago US
ORD15:05
14h 15m
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 15:05
  8h 25m
  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
ORD13:23
14h 22m
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 2187
  Chicago. US
  ORD 13:23
  2h 0m
  590 Miles
  Washington. US
  IAD 16:23
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 3530
  Washington. US
  IAD 17:15
  1h 32m
  229 Miles
  New York. US
  LGA 18:47
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD13:23
14h 22m
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 2187
  Chicago. US
  ORD 13:23
  2h 0m
  590 Miles
  Washington. US
  IAD 16:23
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 2398
  Washington. US
  IAD 17:29
  1h 21m
  212 Miles
  New York. US
  EWR 18:50
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD13:00
14h 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 247
  Chicago. US
  ORD 13:00
  1h 43m
  437 Miles
  Toronto. CA
  YYZ 15:43
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2TAP Air Portugal TP 258
  Toronto. CA
  YYZ 17:55
  7h 5m
  3587 Miles
  Lisbon. PT
  LIS 06:00
  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 439
  Chicago. US
  ORD 12:45
  1h 52m
  614 Miles
  Washington. US
  DCA 15:37
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 4414
  Washington. US
  DCA 17:15
  1h 42m
  199 Miles
  New York. US
  EWR 18:57
  Canadair (Bombardier) Regional Jet 550
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD14:20
15h 0m
1 Stop
Porto PT
OPO11:20
+1 day/s
Chicago - Porto
Swiss
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Swiss LX 7
  Chicago. US
  ORD 14:20
  8h 50m
  4455 Miles
  Zurich. CH
  ZRH 06:10
  Airbus A330-300 Passenger
  Operated by Swiss
2. Flight 2Swiss LX 2066
  Zurich. CH
  ZRH 09:45
  2h 35m
  956 Miles
  Porto. PT
  OPO 11:20
  Airbus A220-300 Passenger
  Operated by Swiss
Chicago US
ORD12:35
15h 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 2653
  Chicago. US
  ORD 12:35
  2h 24m
  869 Miles
  Boston. US
  BOS 15:59
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 466
  Boston. US
  BOS 18:55
  1h 35m
  201 Miles
  New York. US
  EWR 20:30
  Airbus A319 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD12:35
15h 20m
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 2653
  Chicago. US
  ORD 12:35
  2h 24m
  869 Miles
  Boston. US
  BOS 15:59
  Boeing 737-800 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
ORD21:35
15h 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 938
  Chicago. US
  ORD 21:35
  8h 10m
  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
ORD11:59
15h 56m
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 3616
  Chicago. US
  ORD 11:59
  1h 53m
  437 Miles
  Toronto. CA
  YYZ 14:52
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
2. Flight 2TAP Air Portugal TP 258
  Toronto. CA
  YYZ 17:55
  7h 5m
  3587 Miles
  Lisbon. PT
  LIS 06:00
  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
ORD11:47
16h 8m
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 2729
  Chicago. US
  ORD 11:47
  2h 16m
  721 Miles
  New York. US
  EWR 15:03
  Boeing 737-700 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
ORD11:00
16h 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 1113
  Chicago. US
  ORD 11:00
  2h 51m
  1011 Miles
  Orlando. US
  MCO 14:51
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1292
  Orlando. US
  MCO 17:32
  2h 58m
  944 Miles
  New York. US
  EWR 20:30
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD11:00
16h 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 1113
  Chicago. US
  ORD 11:00
  2h 51m
  1011 Miles
  Orlando. US
  MCO 14:51
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2192
  Orlando. US
  MCO 15:47
  2h 53m
  944 Miles
  New York. US
  EWR 18:40
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
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 12m
  735 Miles
  New York. US
  LGA 14:12
  Boeing 737-700 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
ORD10:45
17h 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 1857
  Chicago. US
  ORD 10:45
  3h 13m
  1205 Miles
  Miami. US
  MIA 14:58
  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 17:20
  3h 18m
  1093 Miles
  New York. US
  EWR 20:38
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD10:45
17h 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 1788
  Chicago. US
  ORD 10:45
  2h 55m
  930 Miles
  Houston. US
  IAH 13:40
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2100
  Houston. US
  IAH 14:43
  3h 47m
  1405 Miles
  New York. US
  EWR 19:30
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD10:39
17h 6m
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 2626
  Chicago. US
  ORD 10:39
  2h 2m
  610 Miles
  Atlanta. US
  ATL 13:41
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 307
  Atlanta. US
  ATL 16:40
  2h 22m
  749 Miles
  New York. US
  EWR 19:02
  Boeing 737-700 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD10:39
17h 6m
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 2626
  Chicago. US
  ORD 10:39
  2h 2m
  610 Miles
  Atlanta. US
  ATL 13:41
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 555
  Atlanta. US
  ATL 15:48
  2h 21m
  749 Miles
  New York. US
  EWR 18:09
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  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 469
  Chicago. US
  ORD 10:35
  2h 48m
  891 Miles
  Denver. US
  DEN 12:23
  Boeing 757-300 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1677
  Denver. US
  DEN 14:00
  4h 0m
  1609 Miles
  New York. US
  EWR 20:00
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United 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 1857
  Chicago. US
  ORD 10:45
  3h 13m
  1205 Miles
  Miami. US
  MIA 14:58
  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 16:30
  8h 20m
  4172 Miles
  Lisbon. PT
  LIS 05:50
  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
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 2737
  Chicago. US
  ORD 10:45
  2h 18m
  721 Miles
  New York. US
  EWR 14:03
  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
ORD14:20
17h 25m
2 Stops
Porto PT
OPO13:45
+1 day/s
Chicago - Porto
Swiss
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1Swiss LX 7
  Chicago. US
  ORD 14:20
  8h 50m
  4455 Miles
  Zurich. CH
  ZRH 06:10
  Airbus A330-300 Passenger
  Operated by Swiss
2. Flight 2Swiss LX 2804
  Zurich. CH
  ZRH 09:10
  0h 50m
  143 Miles
  Geneva. CH
  GVA 10:00
  Airbus A320 Passenger
  Operated by Swiss
3. Flight 3Swiss LX 2078
  Geneva. CH
  GVA 12:25
  2h 20m
  817 Miles
  Porto. PT
  OPO 13:45
  
  Operated by Swiss
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
  Boeing 777-300ER 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 A320neo
  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
ORD18:50
18h 10m
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 18:50
  8h 10m
  3964 Miles
  London. GB
  LHR 09:00
  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
ORD18:30
18h 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 907
  Chicago. US
  ORD 18:30
  8h 25m
  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
ORD08:59
18h 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 2323
  Chicago. US
  ORD 08:59
  2h 49m
  1011 Miles
  Orlando. US
  MCO 12:48
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 2192
  Orlando. US
  MCO 15:47
  2h 53m
  944 Miles
  New York. US
  EWR 18:40
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 144
  New York. US
  EWR 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United Airlines
Chicago US
ORD08:45
19h 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 2672
  Chicago. US
  ORD 08:45
  2h 57m
  930 Miles
  Houston. US
  IAH 11:42
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2196
  Houston. US
  IAH 13:50
  3h 40m
  1405 Miles
  New York. US
  EWR 18:30
  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 21:50
  6h 55m
  3350 Miles
  Porto. PT
  OPO 09:45
  
  Operated by United 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