Flights from London to Ontario

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Outbound flight: 01/08/23
12:10 LON
22:56 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
2 Stopovers
Icelandair, Alaska Airlines
$938
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Outbound flight: 01/08/23
12:10 LON
22:56 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
2 Stopovers
Icelandair, Alaska Airlines
$938
Check
Outbound flight: 01/08/23
12:15 LON
22:56 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
2 Stopovers
Icelandair, Alaska Airlines
$944
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Outbound flight: 08/04/22
09:15 LON
15:57 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
American Airlines
Return flight: 08/11/22
11:46 ONT
09:05 LON
Ontario-CA
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
American Airlines
$1,123
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Outbound flight: 08/04/22
09:15 LON
15:57 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
American Airlines
Return flight: 08/11/22
11:46 ONT
09:05 LON
Ontario-CA
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
American Airlines
$1,123
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Outbound flight: 08/04/22
15:10 LON
10:10 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
Delta Air Lines
Return flight: 08/11/22
21:15 ONT
21:20 LON
Ontario-CA
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
Delta Air Lines, Air France
$1,158
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Outbound flight: 08/04/22
13:40 LON
21:27 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
Lufthansa
Return flight: 08/11/22
18:40 ONT
16:25 LON
Ontario-CA
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
Lufthansa
$1,417
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Outbound flight: 08/13/22
13:05 LON
23:05 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
2 Stopovers
Icelandair, Alaska Airlines
$1,502
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Outbound flight: 08/13/22
13:05 LON
23:05 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
2 Stopovers
Icelandair, Alaska Airlines
$1,502
Check
Outbound flight: 08/13/22
14:05 LON
22:58 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
KLM
$2,079
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Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from London to Ontario

Favorite airline: United Airlines
The favorite airline for flights from London to Ontario is United Airlines.
United Airlines
50 %
Lufthansa
33 %
Icelandair
17 %
Favourite connection: via Houston - George Bush
When booking flights from London to Ontario 54 % of travelers prefer to fly via Houston - George Bush.
Route
bookings
1 stopover Houston - George Bush Intercontinental Airport, TX
21h 45min, from $514
54 %
1 stopover San Francisco International Airport, CA
14h 13min, from $596
29 %
2 stopovers Reykjavik-Keflavik International Seattle-Tacoma International Airport, WA
18h 28min, from $1,652
17 %
Flight information London - Ontario
Alternative flight routes
Cheap direct flights
Flight details London - Ontario
  • Distance: 8730 km
Top Flight Routes
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* Prices may vary, please check the travel details given by the online travel agency before booking. Prices include taxes.