Flights from Chicago (CHI) to Ontario (ONT)

Flight schedules from Chicago to Ontario 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 (10)

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Chicago US
ORD08:45
5h 55m
1 Stop
Los Angeles US
ONT12:40
Chicago - Los Angeles
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1731
  Chicago. US
  ORD 08:45
  2h 50m
  891 Miles
  Denver. US
  DEN 10:35
  Boeing 777 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 430
  Denver. US
  DEN 11:16
  2h 24m
  822 Miles
  Los Angeles. US
  ONT 12:40
  Airbus A319 Passenger
  Operated by United Airlines
Chicago US
ORD16:05
6h 39m
1 Stop
Los Angeles US
ONT20:44
Chicago - Los Angeles
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 767
  Chicago. US
  ORD 16:05
  2h 50m
  891 Miles
  Denver. US
  DEN 17:55
  Airbus A321neo
  Operated by United Airlines
2. Flight 2United Airlines UA 1574
  Denver. US
  DEN 19:20
  2h 24m
  822 Miles
  Los Angeles. US
  ONT 20:44
  Boeing 737-800 Passenger
  Operated by United Airlines
Chicago US
ORD12:45
6h 58m
1 Stop
Los Angeles US
ONT17:43
Chicago - Los Angeles
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1878
  Chicago. US
  ORD 12:45
  4h 53m
  1851 Miles
  San Francisco. US
  SFO 15:38
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 4783
  San Francisco. US
  SFO 16:15
  1h 28m
  364 Miles
  Los Angeles. US
  ONT 17:43
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
Chicago US
ORD07:10
7h 30m
1 Stop
Los Angeles US
ONT12:40
Chicago - Los Angeles
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 711
  Chicago. US
  ORD 07:10
  2h 50m
  891 Miles
  Denver. US
  DEN 09:00
  Boeing 737-900 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 430
  Denver. US
  DEN 11:16
  2h 24m
  822 Miles
  Los Angeles. US
  ONT 12:40
  Airbus A319 Passenger
  Operated by United Airlines
Chicago US
ORD08:55
7h 39m
1 Stop
Los Angeles US
ONT14:34
Chicago - Los Angeles
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1387
  Chicago. US
  ORD 08:55
  4h 44m
  1851 Miles
  San Francisco. US
  SFO 11:39
  Boeing 787-8
  Operated by United Airlines
2. Flight 2United Airlines UA 5684
  San Francisco. US
  SFO 13:06
  1h 28m
  364 Miles
  Los Angeles. US
  ONT 14:34
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines
Chicago US
ORD16:20
8h 3m
1 Stop
Los Angeles US
ONT22:23
Chicago - Los Angeles
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 352
  Chicago. US
  ORD 16:20
  4h 40m
  1851 Miles
  San Francisco. US
  SFO 19:00
  Boeing 777 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1074
  San Francisco. US
  SFO 21:00
  1h 23m
  364 Miles
  Los Angeles. US
  ONT 22:23
  Airbus A319 Passenger
  Operated by United Airlines
Chicago US
ORD14:35
8h 9m
1 Stop
Los Angeles US
ONT20:44
Chicago - Los Angeles
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 14:35
  2h 50m
  891 Miles
  Denver. US
  DEN 16:25
  Boeing 757-300 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1574
  Denver. US
  DEN 19:20
  2h 24m
  822 Miles
  Los Angeles. US
  ONT 20:44
  Boeing 737-800 Passenger
  Operated by United Airlines
Chicago US
ORD15:50
8h 12m
1 Stop
Los Angeles US
ONT22:02
Chicago - Los Angeles
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1794
  Chicago. US
  ORD 15:50
  2h 59m
  930 Miles
  Houston. US
  IAH 18:49
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
2. Flight 2United Airlines UA 1358
  Houston. US
  IAH 20:35
  3h 27m
  1339 Miles
  Los Angeles. US
  ONT 22:02
  Boeing 737-900 Passenger
  Operated by United Airlines
Chicago US
ORD06:15
8h 45m
1 Stop
Los Angeles US
ONT13:00
Chicago - Los Angeles
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 336
  Chicago. US
  ORD 06:15
  4h 48m
  1851 Miles
  San Francisco. US
  SFO 09:03
  Boeing 757-300 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 5921
  San Francisco. US
  SFO 11:35
  1h 25m
  364 Miles
  Los Angeles. US
  ONT 13:00
  Canadair (Bombardier) Regional Jet 700 and Challenger 870
  Operated by United Airlines
Chicago US
ORD10:35
9h 8m
1 Stop
Los Angeles US
ONT17:43
Chicago - Los Angeles
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 343
  Chicago. US
  ORD 10:35
  4h 53m
  1851 Miles
  San Francisco. US
  SFO 13:28
  Boeing 757-300 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 4783
  San Francisco. US
  SFO 16:15
  1h 28m
  364 Miles
  Los Angeles. US
  ONT 17:43
  Embraer 175 (Enhanced Winglets)
  Operated by United Airlines

Flights from Chicago (CHI) to Ontario (ONT) with Star Alliance

Weather in Ontario

Flight schedules from Chicago to Ontario with Star Alliance member carriers

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