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Outbound flight: 26/06/21
18:12 ONT
06:55 LON
Ontario-CA
London (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
United Airlines
Return flight: 14/07/21
08:40 LON
16:05 ONT
London (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
Swiss International Air Lines
£583
Check
Outbound flight: 26/06/21
20:20 ONT
06:55 LON
Ontario-CA
London (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
United Airlines
Return flight: 14/07/21
15:00 LON
18:39 ONT
London (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
Air Canada
£592
Check
Outbound flight: 26/06/21
20:20 ONT
06:55 LON
Ontario-CA
London (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
United Airlines
Return flight: 14/07/21
15:00 LON
18:39 ONT
London (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
Air Canada
£592
Check
Outbound flight: 26/06/21
18:12 ONT
06:55 LON
Ontario-CA
London (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
United Airlines
Return flight: 14/07/21
14:10 LON
17:05 ONT
London (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
direct
United Airlines
£597
Check
Outbound flight: 08/07/21
13:00 ONT
09:25 LON
Ontario-CA
London (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
American Airlines
Return flight: 13/07/21
11:40 LON
17:58 ONT
London (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
American Airlines
£617
Check
Outbound flight: 08/07/21
13:00 ONT
09:25 LON
Ontario-CA
London (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
American Airlines
Return flight: 13/07/21
11:40 LON
17:58 ONT
London (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
American Airlines
£617
Check
Outbound flight: 08/07/21
06:14 ONT
14:10 LON
Ontario-CA
London (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
United Airlines
Return flight: 13/07/21
14:10 LON
09:20 ONT
London (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
Air Canada
£635
Check
Outbound flight: 08/07/21
06:14 ONT
14:10 LON
Ontario-CA
London (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
United Airlines
Return flight: 13/07/21
14:10 LON
09:20 ONT
London (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
Air Canada
£635
Check
Outbound flight: 08/07/21
16:15 ONT
09:40 LON
Ontario-CA
London (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
United Airlines
Return flight: 13/07/21
14:10 LON
16:52 ONT
London (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
Air Canada
£636
Check
Outbound flight: 08/07/21
10:30 ONT
14:10 LON
Ontario-CA
London (LCY, LGW, LHR, LTN, STN, SEN)
1 Stopover
United Airlines
Return flight: 13/07/21
14:10 LON
21:33 ONT
London (LCY, LGW, LHR, LTN, STN, SEN)
Ontario-CA
1 Stopover
Air Canada
£640
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 Ontario to London

Favourite airline: United Airlines
Flight tickets on the route Ontario – London are most frequently booked with United Airlines.
United Airlines
50 %
Virgin Atlantic
17 %
American Airlines
17 %
Favourite connection: via San Francisco
Stopover flights on this route are especially popular via San Francisco, making up 50 % of bookings.
Route
bookings
1 stopover San Francisco International Airport
13h 09min, from £485
50 %
1 stopover Salt Lake City International Airport, UT
13h 47min, from £403
33 %
1 stopover Dallas-Fort Worth International Airport, TX
13h 50min, from £466
17 %
Flight information Ontario - London
Alternative flight routes
Cheap direct flights
Flight details Ontario - London
  • Distance: 8730 km
Most Popular 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.