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On average save $240 per traveler
05/07/25
11:45am
LHR
11h 57m
AMS
SLC
05/07/25
11:42pm
ONT
05/20/25
4:05pm
ONT
22h 10m
SEA
05/21/25
2:15pm
LHR
$558
Free cancellation within 83 hours of booking
05/04/25
12:20pm
LGW
21h 30m
TPA
DFW
05/05/25
9:50am
ONT
05/19/25
10:32am
ONT
21h 38m
JFK
05/20/25
8:10am
LGW
$558
Free cancellation within 83 hours of booking
05/03/25
6:15am
LHR
10h 18m
CDG
SLC
05/03/25
4:33pm
ONT
05/12/25
9:50am
ONT
24h
SLC
05/13/25
9:50am
LHR
$563
Free cancellation within 83 hours of booking
05/02/25
6:15am
LHR
16h 28m
CDG
SEA
05/02/25
10:43pm
ONT
05/12/25
9:45am
ONT
24h 5m
SLC
05/13/25
9:50am
LHR
$563
Free cancellation within 83 hours of booking
05/10/25
6:30am
LHR
9h 47m
AMS
SLC
05/10/25
4:17pm
ONT
05/18/25
7:05pm
ONT
43h 10m
SEA
05/20/25
2:15pm
LHR
$564
Free cancellation within 83 hours of booking
05/13/25
6:15am
LHR
10h 2m
CDG
SLC
05/13/25
4:17pm
ONT
05/21/25
12:21pm
ONT
20h 34m
DTW
05/22/25
8:55am
LHR
$564
Free cancellation within 83 hours of booking
05/13/25
7:00pm
LCY
28h 42m
AMS
SLC
05/14/25
11:42pm
ONT
05/22/25
4:05pm
ONT
22h 10m
SEA
05/23/25
2:15pm
LCY
$566
Free cancellation within 83 hours of booking
05/14/25
8:20am
LHR
15h 23m
DFW
05/14/25
11:43pm
ONT
05/22/25
9:30pm
ONT
18h 35m
Direct
05/23/25
4:05pm
LHR
$572
Free cancellation within 83 hours of booking
05/10/25
11:15am
LHR
7h 8m
PHX
05/10/25
6:23pm
ONT
05/15/25
8:05pm
ONT
18h 30m
Direct
05/16/25
2:35pm
LHR
$572
Free cancellation within 83 hours of booking
05/02/25
10:35am
LHR
9h 59m
SFO
05/02/25
8:34pm
ONT
05/10/25
10:20pm
ONT
32h 10m
YUL
05/12/25
6:30am
LHR
$572
Free cancellation within 83 hours of booking
05/15/25
3:40pm
LHR
6h 17m
PHX
05/15/25
9:57pm
ONT
05/19/25
9:30pm
ONT
18h 35m
Direct
05/20/25
4:05pm
LHR
$572
Free cancellation within 83 hours of booking
05/04/25
12:20pm
LGW
11h 30m
TPA
DFW
05/04/25
11:50pm
ONT
05/19/25
10:32am
ONT
21h 38m
JFK
05/20/25
8:10am
LGW
$575
Free cancellation within 83 hours of booking
05/01/25
3:40pm
LHR
6h 18m
PHX
05/01/25
9:58pm
ONT
05/08/25
3:14pm
ONT
21h 1m
ORD
05/09/25
12:15pm
LHR
$576
Free cancellation within 83 hours of booking
05/01/25
12:20pm
LGW
11h 30m
TPA
DFW
05/01/25
11:50pm
ONT
05/22/25
12:20pm
ONT
21h
LAS
05/23/25
9:20am
LGW
$580
Free cancellation within 83 hours of booking
05/01/25
12:20pm
LGW
25h 29m
TPA
DFW
05/02/25
1:49pm
ONT
05/22/25
1:14pm
ONT
43h 21m
PHX
TPA
05/24/25
8:35am
LGW
$580
Free cancellation within 83 hours of booking
05/03/25
8:20am
LHR
7h 47m
DFW
05/03/25
4:07pm
ONT
05/10/25
7:25pm
ONT
23h 30m
PHX
BOS
05/11/25
6:55pm
LHR
$581
Free cancellation within 83 hours of booking
05/04/25
3:10pm
LHR
7h
DFW
05/04/25
10:10pm
ONT
05/21/25
5:00pm
ONT
40h 20m
LAS
05/23/25
9:20am
LHR
$582
Free cancellation within 83 hours of booking
05/05/25
3:40pm
LHR
6h 17m
PHX
05/05/25
9:57pm
ONT
05/18/25
10:27pm
ONT
32h 53m
BOS
05/20/25
7:20am
LHR
$583
Free cancellation within 83 hours of booking
05/14/25
11:35am
LGW
12h 8m
MAD
DFW
05/14/25
11:43pm
ONT
05/18/25
4:30pm
ONT
22h 10m
PHX
05/19/25
2:40pm
LGW
$587
Free cancellation within 83 hours of booking
05/03/25
6:15am
LHR
10h 18m
CDG
SLC
05/03/25
4:33pm
ONT
05/09/25
2:23pm
ONT
23h 7m
ATL
05/10/25
1:30pm
LHR
$589
Free cancellation within 83 hours of booking
05/03/25
8:20am
LHR
13h 38m
DFW
05/03/25
9:58pm
ONT
05/10/25
10:00am
ONT
28h 50m
PHX
05/11/25
2:50pm
LHR
$593
Free cancellation within 83 hours of booking
05/16/25
3:40pm
LHR
6h 17m
PHX
05/16/25
9:57pm
ONT
05/23/25
12:55am
ONT
29h 45m
PHL
05/24/25
6:40am
LHR
$594
Free cancellation within 83 hours of booking
05/16/25
4:25pm
LHR
7h 18m
DFW
05/16/25
11:43pm
ONT
05/19/25
6:45pm
ONT
22h 20m
HEL
05/20/25
5:05pm
LHR
$595
Free cancellation within 83 hours of booking
05/03/25
6:15am
LHR
10h 18m
CDG
SLC
05/03/25
4:33pm
ONT
05/23/25
12:50am
ONT
31h 20m
MSP
AMS
05/24/25
8:10am
LHR
$597
Free cancellation within 83 hours of booking
05/03/25
6:15am
LHR
10h 18m
CDG
SLC
05/03/25
4:33pm
ONT
05/11/25
5:20pm
ONT
23h 15m
CDG
05/12/25
4:35pm
LHR
$599
Free cancellation within 83 hours of booking
05/04/25
11:25am
LHR
9h 28m
DEN
05/04/25
8:53pm
ONT
05/23/25
9:41am
ONT
21h 44m
SFO
05/24/25
7:25am
LHR
$601
Free cancellation within 83 hours of booking
04/30/25
9:20am
LCY
14h 21m
AMS
SLC
04/30/25
11:41pm
ONT
05/16/25
2:15pm
ONT
40h 30m
ATL
05/18/25
6:45am
LCY
$669
Free cancellation within 83 hours of booking
05/15/25
2:50pm
LHR
6h 3m
DEN
05/15/25
8:53pm
ONT
05/22/25
1:33pm
ONT
20h 7m
DEN
05/23/25
9:40am
LHR
$673
Free cancellation within 83 hours of booking
05/17/25
6:30am
LHR
9h 47m
AMS
SLC
05/17/25
4:17pm
ONT
05/19/25
11:59pm
ONT
32h 11m
MSP
AMS
05/21/25
8:10am
LHR
$680
Free cancellation within 83 hours of booking
05/06/25
8:20am
LHR
10h 16m
DFW
05/06/25
6:36pm
ONT
05/27/25
11:16am
ONT
24h 59m
ORD
05/28/25
12:15pm
LHR
$698
Free cancellation within 83 hours of booking
Top Deals on flights from London to Ontario International Airport
London, GB (LON) - Los Angeles, US (LAX)
May 7
11:55am
LHR
9h 16m
JFK
May 7
9:11pm
ONT
as low as
$764
London, GB (LON) - Los Angeles, US (LAX)
Jul 4
2:10pm
LHR
8h 36m
YYC
SEA
Jul 4
10:46pm
ONT
as low as
$828
London, GB (LON) - Los Angeles, US (LAX)
Sep 10
6:15am
LHR
11h 2m
CDG
SEA
Sep 10
5:17pm
ONT
as low as
$840
London, GB (LON) - Los Angeles, US (LAX)
Sep 9
8:10pm
LCY
26h 32m
AMS
SEA
Sep 10
10:42pm
ONT
as low as
$842
London, GB (LON) - Los Angeles, US (LAX)
Sep 2
8:10pm
LCY
27h 33m
AMS
SLC
Sep 3
11:43pm
ONT
as low as
$842
London, GB (LON) - Los Angeles, US (LAX)
Sep 8
10:30am
LHR
7h 10m
DFW
Sep 8
5:40pm
ONT
as low as
$852
London, GB (LON) - Los Angeles, US (LAX)
Sep 2
3:40pm
LHR
5h 55m
PHX
Sep 2
9:35pm
ONT
as low as
$852
London, GB (LON) - Los Angeles, US (LAX)
Aug 28
6:30am
LHR
15h 59m
AMS
ATL
Aug 28
10:29pm
ONT
as low as
$889
London, GB (LON) - Los Angeles, US (LAX)
Aug 28
9:15am
LHR
8h 17m
ORD
DFW
Aug 28
5:32pm
ONT
as low as
$911
London, GB (LON) - Los Angeles, US (LAX)
Aug 28
1:35pm
LHR
8h
DEN
PHX
Aug 28
9:35pm
ONT
as low as
$918
London, GB (LON) - Los Angeles, US (LAX)
May 17
9:10pm
LHR
37h 47m
DUB
SEA
May 19
10:57am
ONT
as low as
$988
London, GB (LON) - Los Angeles, US (LAX)
Aug 28
6:30am
LHR
16h
FRA
JFK
Aug 28
10:30pm
ONT
as low as
$1048
Flights to Los Angeles
Return flights
Flights From Ontario International Airport To LondonBrowse origins
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- Europe
- United Kingdom
- London
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- North America
- United States
- California
- Los Angeles
- Ontario International Airport
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