Flights from Ontario (ONT) to London (LHR)

Flight schedules from Ontario to London 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 (33)

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Los Angeles US
ONT10:47
14h 53m
2 Stops
London GB
LHR09:40
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1739
  Los Angeles. US
  ONT 10:47
  1h 33m
  364 Miles
  San Francisco. US
  SFO 12:20
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1791
  San Francisco. US
  SFO 12:55
  2h 40m
  970 Miles
  Denver. US
  DEN 16:35
  Boeing 737-800 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 27
  Denver. US
  DEN 17:35
  9h 5m
  4684 Miles
  London. GB
  LHR 09:40
  
  Operated by United Airlines
Los Angeles US
ONT06:00
15h 55m
2 Stops
London GB
LHR05:55
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2360
  Los Angeles. US
  ONT 06:00
  3h 3m
  1339 Miles
  Houston. US
  IAH 11:03
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1499
  Houston. US
  IAH 12:00
  3h 34m
  1405 Miles
  New York. US
  EWR 16:34
  Boeing 787-9
  Operated by United Airlines
3. Flight 3United Airlines UA 146
  New York. US
  EWR 17:30
  7h 25m
  3475 Miles
  London. GB
  LHR 05:55
  
  Operated by United Airlines
Los Angeles US
ONT10:47
16h 3m
2 Stops
London GB
LHR10:50
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1739
  Los Angeles. US
  ONT 10:47
  1h 33m
  364 Miles
  San Francisco. US
  SFO 12:20
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1372
  San Francisco. US
  SFO 13:00
  5h 13m
  2426 Miles
  Washington. US
  IAD 21:13
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 924
  Washington. US
  IAD 22:15
  7h 35m
  3687 Miles
  London. GB
  LHR 10:50
  
  Operated by United Airlines
Los Angeles US
ONT10:47
16h 18m
2 Stops
London GB
LHR11:05
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1739
  Los Angeles. US
  ONT 10:47
  1h 33m
  364 Miles
  San Francisco. US
  SFO 12:20
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1314
  San Francisco. US
  SFO 13:20
  3h 49m
  1641 Miles
  Houston. US
  IAH 19:09
  Boeing 777 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 5
  Houston. US
  IAH 19:55
  9h 10m
  4850 Miles
  London. GB
  LHR 11:05
  
  Operated by United Airlines
Los Angeles US
ONT06:00
16h 20m
2 Stops
London GB
LHR06:20
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2360
  Los Angeles. US
  ONT 06:00
  3h 3m
  1339 Miles
  Houston. US
  IAH 11:03
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1499
  Houston. US
  IAH 12:00
  3h 34m
  1405 Miles
  New York. US
  EWR 16:34
  Boeing 787-9
  Operated by United Airlines
3. Flight 3United Airlines UA 110
  New York. US
  EWR 18:00
  7h 20m
  3475 Miles
  London. GB
  LHR 06:20
  
  Operated by United Airlines
Los Angeles US
ONT06:15
16h 25m
2 Stops
London GB
LHR06:40
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 277
  Los Angeles. US
  ONT 06:15
  1h 31m
  364 Miles
  San Francisco. US
  SFO 07:46
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 717
  San Francisco. US
  SFO 08:25
  5h 3m
  2426 Miles
  Washington. US
  IAD 16:28
  Boeing 777 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 918
  Washington. US
  IAD 18:25
  7h 15m
  3687 Miles
  London. GB
  LHR 06:40
  
  Operated by United Airlines
Los Angeles US
ONT10:47
16h 28m
2 Stops
London GB
LHR11:15
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1739
  Los Angeles. US
  ONT 10:47
  1h 33m
  364 Miles
  San Francisco. US
  SFO 12:20
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2386
  San Francisco. US
  SFO 13:40
  4h 19m
  1851 Miles
  Chicago. US
  ORD 19:59
  Boeing 777 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 938
  Chicago. US
  ORD 21:10
  8h 5m
  3964 Miles
  London. GB
  LHR 11:15
  
  Operated by United Airlines
Los Angeles US
ONT06:00
16h 40m
2 Stops
London GB
LHR06:40
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2360
  Los Angeles. US
  ONT 06:00
  3h 3m
  1339 Miles
  Houston. US
  IAH 11:03
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2366
  Houston. US
  IAH 12:15
  3h 0m
  1195 Miles
  Washington. US
  IAD 16:15
  Airbus A320 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 918
  Washington. US
  IAD 18:25
  7h 15m
  3687 Miles
  London. GB
  LHR 06:40
  
  Operated by United Airlines
Los Angeles US
ONT06:15
16h 40m
2 Stops
London GB
LHR06:55
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 277
  Los Angeles. US
  ONT 06:15
  1h 31m
  364 Miles
  San Francisco. US
  SFO 07:46
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1054
  San Francisco. US
  SFO 08:55
  5h 20m
  2573 Miles
  New York. US
  EWR 17:15
  Boeing 787-9
  Operated by United Airlines
3. Flight 3United Airlines UA 14
  New York. US
  EWR 18:40
  7h 15m
  3475 Miles
  London. GB
  LHR 06:55
  
  Operated by United Airlines
Los Angeles US
ONT05:10
16h 45m
2 Stops
London GB
LHR05:55
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2317
  Los Angeles. US
  ONT 05:10
  2h 19m
  822 Miles
  Denver. US
  DEN 08:29
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 2058
  Denver. US
  DEN 10:00
  3h 44m
  1609 Miles
  New York. US
  EWR 15:44
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 146
  New York. US
  EWR 17:30
  7h 25m
  3475 Miles
  London. GB
  LHR 05:55
  
  Operated by United Airlines
Los Angeles US
ONT06:00
16h 55m
2 Stops
London GB
LHR06:55
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2360
  Los Angeles. US
  ONT 06:00
  3h 3m
  1339 Miles
  Houston. US
  IAH 11:03
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1499
  Houston. US
  IAH 12:00
  3h 34m
  1405 Miles
  New York. US
  EWR 16:34
  Boeing 787-9
  Operated by United Airlines
3. Flight 3United Airlines UA 14
  New York. US
  EWR 18:40
  7h 15m
  3475 Miles
  London. GB
  LHR 06:55
  
  Operated by United Airlines
Los Angeles US
ONT05:10
17h 10m
2 Stops
London GB
LHR06:20
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2317
  Los Angeles. US
  ONT 05:10
  2h 19m
  822 Miles
  Denver. US
  DEN 08:29
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 2058
  Denver. US
  DEN 10:00
  3h 44m
  1609 Miles
  New York. US
  EWR 15:44
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 110
  New York. US
  EWR 18:00
  7h 20m
  3475 Miles
  London. GB
  LHR 06:20
  
  Operated by United Airlines
Los Angeles US
ONT06:15
17h 15m
2 Stops
London GB
LHR07:30
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 277
  Los Angeles. US
  ONT 06:15
  1h 31m
  364 Miles
  San Francisco. US
  SFO 07:46
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2140
  San Francisco. US
  SFO 09:10
  3h 52m
  1641 Miles
  Houston. US
  IAH 15:02
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 880
  Houston. US
  IAH 16:25
  9h 5m
  4850 Miles
  London. GB
  LHR 07:30
  
  Operated by United Airlines
Los Angeles US
ONT05:10
17h 30m
2 Stops
London GB
LHR06:40
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2317
  Los Angeles. US
  ONT 05:10
  2h 19m
  822 Miles
  Denver. US
  DEN 08:29
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 2087
  Denver. US
  DEN 10:25
  3h 24m
  1457 Miles
  Washington. US
  IAD 15:49
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 918
  Washington. US
  IAD 18:25
  7h 15m
  3687 Miles
  London. GB
  LHR 06:40
  
  Operated by United Airlines
Los Angeles US
ONT05:10
17h 30m
2 Stops
London GB
LHR06:40
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2317
  Los Angeles. US
  ONT 05:10
  2h 19m
  822 Miles
  Denver. US
  DEN 08:29
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 1767
  Denver. US
  DEN 09:40
  3h 19m
  1480 Miles
  Washington. US
  DCA 14:59
  Boeing 757-300 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 918
  Washington. US
  IAD 18:25
  7h 15m
  3687 Miles
  London. GB
  LHR 06:40
  
  Operated by United Airlines
Los Angeles US
ONT06:15
17h 40m
2 Stops
London GB
LHR07:55
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 277
  Los Angeles. US
  ONT 06:15
  1h 31m
  364 Miles
  San Francisco. US
  SFO 07:46
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1612
  San Francisco. US
  SFO 10:36
  4h 29m
  1851 Miles
  Chicago. US
  ORD 17:05
  Airbus A321neo
  Operated by United Airlines
3. Flight 3United Airlines UA 920
  Chicago. US
  ORD 17:50
  8h 5m
  3964 Miles
  London. GB
  LHR 07:55
  
  Operated by United Airlines
Los Angeles US
ONT06:15
17h 40m
2 Stops
London GB
LHR07:55
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 277
  Los Angeles. US
  ONT 06:15
  1h 31m
  364 Miles
  San Francisco. US
  SFO 07:46
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 795
  San Francisco. US
  SFO 08:25
  4h 29m
  1851 Miles
  Chicago. US
  ORD 14:54
  Airbus A321neo
  Operated by United Airlines
3. Flight 3United Airlines UA 920
  Chicago. US
  ORD 17:50
  8h 5m
  3964 Miles
  London. GB
  LHR 07:55
  
  Operated by United Airlines
Los Angeles US
ONT05:10
17h 45m
2 Stops
London GB
LHR06:55
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2317
  Los Angeles. US
  ONT 05:10
  2h 19m
  822 Miles
  Denver. US
  DEN 08:29
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 2058
  Denver. US
  DEN 10:00
  3h 44m
  1609 Miles
  New York. US
  EWR 15:44
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 14
  New York. US
  EWR 18:40
  7h 15m
  3475 Miles
  London. GB
  LHR 06:55
  
  Operated by United Airlines
Los Angeles US
ONT05:10
17h 45m
2 Stops
London GB
LHR06:55
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2317
  Los Angeles. US
  ONT 05:10
  2h 19m
  822 Miles
  Denver. US
  DEN 08:29
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 2446
  Denver. US
  DEN 09:40
  3h 43m
  1624 Miles
  New York. US
  LGA 15:23
  Boeing 737-800 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 14
  New York. US
  EWR 18:40
  7h 15m
  3475 Miles
  London. GB
  LHR 06:55
  
  Operated by United Airlines
Los Angeles US
ONT06:00
17h 55m
2 Stops
London GB
LHR07:55
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2360
  Los Angeles. US
  ONT 06:00
  3h 3m
  1339 Miles
  Houston. US
  IAH 11:03
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1168
  Houston. US
  IAH 12:00
  2h 50m
  930 Miles
  Chicago. US
  ORD 14:50
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 920
  Chicago. US
  ORD 17:50
  8h 5m
  3964 Miles
  London. GB
  LHR 07:55
  
  Operated by United Airlines
Los Angeles US
ONT10:47
17h 58m
2 Stops
London GB
LHR12:45
+1 day/s
Los Angeles - London
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1739
  Los Angeles. US
  ONT 10:47
  1h 33m
  364 Miles
  San Francisco. US
  SFO 12:20
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2Lufthansa LH 455
  San Francisco. US
  SFO 14:40
  10h 50m
  5716 Miles
  Frankfurt. DE
  FRA 10:30
  Boeing 747-8 Passenger
  Operated by Lufthansa
3. Flight 3Lufthansa LH 906
  Frankfurt. DE
  FRA 12:00
  1h 45m
  408 Miles
  London. GB
  LHR 12:45
  
  Operated by Lufthansa
Los Angeles US
ONT05:10
18h 20m
2 Stops
London GB
LHR07:30
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2317
  Los Angeles. US
  ONT 05:10
  2h 19m
  822 Miles
  Denver. US
  DEN 08:29
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 2676
  Denver. US
  DEN 09:40
  2h 31m
  866 Miles
  Houston. US
  IAH 13:11
  Boeing 777 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 880
  Houston. US
  IAH 16:25
  9h 5m
  4850 Miles
  London. GB
  LHR 07:30
  
  Operated by United Airlines
Los Angeles US
ONT06:00
18h 30m
2 Stops
London GB
LHR08:30
+1 day/s
Los Angeles - London
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2360
  Los Angeles. US
  ONT 06:00
  3h 3m
  1339 Miles
  Houston. US
  IAH 11:03
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2Air Canada AC 592
  Houston. US
  IAH 12:05
  3h 10m
  1286 Miles
  Toronto. CA
  YYZ 16:15
  Airbus A220-300 Passenger
  Operated by Air Canada
3. Flight 3Air Canada AC 856
  Toronto. CA
  YYZ 20:10
  7h 20m
  3566 Miles
  London. GB
  LHR 08:30
  
  Operated by Air Canada
Los Angeles US
ONT05:10
18h 45m
2 Stops
London GB
LHR07:55
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2317
  Los Angeles. US
  ONT 05:10
  2h 19m
  822 Miles
  Denver. US
  DEN 08:29
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2United Airlines UA 2312
  Denver. US
  DEN 11:15
  2h 35m
  891 Miles
  Chicago. US
  ORD 14:50
  Boeing 737-900 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 920
  Chicago. US
  ORD 17:50
  8h 5m
  3964 Miles
  London. GB
  LHR 07:55
  
  Operated by United Airlines
Los Angeles US
ONT06:15
18h 55m
2 Stops
London GB
LHR09:10
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 277
  Los Angeles. US
  ONT 06:15
  1h 31m
  364 Miles
  San Francisco. US
  SFO 07:46
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2168
  San Francisco. US
  SFO 10:45
  5h 41m
  2573 Miles
  New York. US
  EWR 19:26
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 16
  New York. US
  EWR 20:55
  7h 15m
  3475 Miles
  London. GB
  LHR 09:10
  
  Operated by United Airlines
Los Angeles US
ONT06:15
18h 55m
2 Stops
London GB
LHR09:10
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 277
  Los Angeles. US
  ONT 06:15
  1h 31m
  364 Miles
  San Francisco. US
  SFO 07:46
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1054
  San Francisco. US
  SFO 08:55
  5h 20m
  2573 Miles
  New York. US
  EWR 17:15
  Boeing 787-9
  Operated by United Airlines
3. Flight 3United Airlines UA 16
  New York. US
  EWR 20:55
  7h 15m
  3475 Miles
  London. GB
  LHR 09:10
  
  Operated by United Airlines
Los Angeles US
ONT06:00
19h 10m
2 Stops
London GB
LHR09:10
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2360
  Los Angeles. US
  ONT 06:00
  3h 3m
  1339 Miles
  Houston. US
  IAH 11:03
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1397
  Houston. US
  IAH 13:32
  3h 38m
  1405 Miles
  New York. US
  EWR 18:10
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 16
  New York. US
  EWR 20:55
  7h 15m
  3475 Miles
  London. GB
  LHR 09:10
  
  Operated by United Airlines
Los Angeles US
ONT05:10
19h 20m
2 Stops
London GB
LHR08:30
+1 day/s
Los Angeles - London
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2317
  Los Angeles. US
  ONT 05:10
  2h 19m
  822 Miles
  Denver. US
  DEN 08:29
  Boeing 737 MAX 8 Passenger / BBJ MAX 8 / Boeing 737 MAX 200
  Operated by United Airlines
2. Flight 2Air Canada AC 1040
  Denver. US
  DEN 11:15
  3h 12m
  1319 Miles
  Toronto. CA
  YYZ 16:27
  Airbus A220-300 Passenger
  Operated by Air Canada
3. Flight 3Air Canada AC 856
  Toronto. CA
  YYZ 20:10
  7h 20m
  3566 Miles
  London. GB
  LHR 08:30
  
  Operated by Air Canada
Los Angeles US
ONT06:15
19h 25m
2 Stops
London GB
LHR09:40
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 277
  Los Angeles. US
  ONT 06:15
  1h 31m
  364 Miles
  San Francisco. US
  SFO 07:46
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1986
  San Francisco. US
  SFO 10:44
  2h 46m
  970 Miles
  Denver. US
  DEN 14:30
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 27
  Denver. US
  DEN 17:35
  9h 5m
  4684 Miles
  London. GB
  LHR 09:40
  
  Operated by United Airlines
Los Angeles US
ONT06:00
19h 40m
2 Stops
London GB
LHR09:40
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2360
  Los Angeles. US
  ONT 06:00
  3h 3m
  1339 Miles
  Houston. US
  IAH 11:03
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1333
  Houston. US
  IAH 12:40
  2h 46m
  866 Miles
  Denver. US
  DEN 14:26
  Airbus A321neo
  Operated by United Airlines
3. Flight 3United Airlines UA 27
  Denver. US
  DEN 17:35
  9h 5m
  4684 Miles
  London. GB
  LHR 09:40
  
  Operated by United Airlines
Los Angeles US
ONT10:47
19h 58m
2 Stops
London GB
LHR14:45
+1 day/s
Los Angeles - London
Star Alliance
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 1739
  Los Angeles. US
  ONT 10:47
  1h 33m
  364 Miles
  San Francisco. US
  SFO 12:20
  Airbus A319 Passenger
  Operated by United Airlines
2. Flight 2Lufthansa LH 455
  San Francisco. US
  SFO 14:40
  10h 50m
  5716 Miles
  Frankfurt. DE
  FRA 10:30
  Boeing 747-8 Passenger
  Operated by Lufthansa
3. Flight 3Lufthansa LH 908
  Frankfurt. DE
  FRA 14:00
  1h 45m
  408 Miles
  London. GB
  LHR 14:45
  
  Operated by Lufthansa
Los Angeles US
ONT06:15
20h 0m
2 Stops
London GB
LHR10:15
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 277
  Los Angeles. US
  ONT 06:15
  1h 31m
  364 Miles
  San Francisco. US
  SFO 07:46
  Airbus A320 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 2168
  San Francisco. US
  SFO 10:45
  5h 41m
  2573 Miles
  New York. US
  EWR 19:26
  Boeing 757-200 Passenger
  Operated by United Airlines
3. Flight 3United Airlines UA 940
  New York. US
  EWR 22:00
  7h 15m
  3475 Miles
  London. GB
  LHR 10:15
  
  Operated by United Airlines
Los Angeles US
ONT06:00
20h 15m
2 Stops
London GB
LHR10:15
+1 day/s
Los Angeles - London
United Airlines
Flight Operates
1. Mon
2. Tue
3. Wed
4. Thu
5. Fri
6. Sat
7. Sun
1. Flight 1United Airlines UA 2360
  Los Angeles. US
  ONT 06:00
  3h 3m
  1339 Miles
  Houston. US
  IAH 11:03
  Boeing 737-800 Passenger
  Operated by United Airlines
2. Flight 2United Airlines UA 1397
  Houston. US
  IAH 13:32
  3h 38m
  1405 Miles
  New York. US
  EWR 18:10
  Boeing 737 MAX 9 Passenger / BBJ MAX 9
  Operated by United Airlines
3. Flight 3United Airlines UA 940
  New York. US
  EWR 22:00
  7h 15m
  3475 Miles
  London. GB
  LHR 10:15
  
  Operated by United Airlines

Flights from Ontario (ONT) to London (LHR) with Star Alliance

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Flight schedules from Ontario to London with Star Alliance member carriers

Los Angeles - London

Los Angeles - London

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Los Angeles - London

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Los Angeles - London

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Los Angeles - London

Los Angeles - London

Los Angeles - London

Los Angeles - London

Los Angeles - London

Los Angeles - London

Los Angeles - London

Los Angeles - London

Los Angeles - London

Los Angeles - London

Los Angeles - London

Los Angeles - London

Los Angeles - London

Los Angeles - London

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Los Angeles - London