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Outbound flight: 10/12/21
13:40 LON
21:37 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
Lufthansa
Return flight: 10/19/21
07:00 ONT
10:10 LON
Ontario-CA
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
Austrian Airlines
$624
Check
Outbound flight: 10/12/21
14:10 LON
20:16 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
United Airlines
Return flight: 10/19/21
13:00 ONT
10:40 LON
Ontario-CA
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
United Airlines
$624
Check
Outbound flight: 10/12/21
14:10 LON
20:16 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
United Airlines
Return flight: 10/19/21
13:00 ONT
10:40 LON
Ontario-CA
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
United Airlines
$624
Check
Outbound flight: 10/11/21
14:10 LON
20:16 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
United Airlines
Return flight: 10/17/21
17:20 ONT
18:30 LON
Ontario-CA
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
Lufthansa
$728
Check
Outbound flight: 10/12/21
13:40 LON
21:37 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
Lufthansa
Return flight: 10/19/21
21:25 ONT
15:55 LON
Ontario-CA
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
direct
Iberia
$938
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Outbound flight: 10/01/21
14:10 LON
20:16 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
United Airlines
Return flight: 10/15/21
10:25 ONT
07:05 LON
Ontario-CA
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
United Airlines
$1,162
Check
Outbound flight: 10/01/21
14:10 LON
20:16 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
United Airlines
Return flight: 10/15/21
10:25 ONT
07:05 LON
Ontario-CA
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
United Airlines
$1,162
Check
Outbound flight: 10/01/21
13:40 LON
21:37 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
Lufthansa
Return flight: 10/15/21
08:15 ONT
06:45 LON
Ontario-CA
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
Lufthansa
$1,170
Check
Outbound flight: 10/01/21
13:40 LON
21:37 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
Lufthansa
Return flight: 10/15/21
08:15 ONT
06:45 LON
Ontario-CA
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
Lufthansa
$1,170
Check
Outbound flight: 10/01/21
13:40 LON
21:37 ONT
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
Lufthansa
Return flight: 10/15/21
14:18 ONT
07:40 LON
Ontario-CA
London, all Airports (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
Lufthansa
$1,175
Check
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 majority of passengers on the route London – Ontario prefer to fly with United Airlines.
United Airlines
50 %
Lufthansa
33 %
Icelandair
17 %
Favourite connection: via Houston - George Bush
54 % of booked tickets on this route are for flights with a transfer in 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.