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Ontario International Airport to London flight
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Cheap Flights from Ontario International Airport to London

Search for flights from Ontario International Airport to London and check out affordable one-way and round-trip options.

  • One way
  • Return
sortSort: Price (Lowest)
  • Sort: Price (Lowest)
  • Sort: Departure (Earliest)
      • ONT00:59
        25h 1m
        2 stops
        LGW10:00
        Ontario - London|Tue, May 7|Frontier Airlines
        AU$ 342AU$ 484
        28% OFF
        28% OFF
        AU$ 484AU$ 342
      • ONT00:49
        27h 16m
        2 stops
        LHR12:05
        Ontario - London|Tue, May 21|Frontier Airlines
        AU$ 353AU$ 484
        27% OFF
        27% OFF
        AU$ 484AU$ 353
      • ONT10:40
        36h 20m
        2 stops
        LGW07:00
        Ontario - London|Fri, May 10|Frontier Airlines
        AU$ 362AU$ 484
        25% OFF
        25% OFF
        AU$ 484AU$ 362
      • ONT07:58
        18h 22m
        2 stops
        LHR10:20
        Ontario - London|Wed, May 1|Frontier Airlines
        AU$ 363
        AU$ 363
      • ONT00:49
        46h 11m
        2 stops
        LGW07:00
        Ontario - London|Fri, May 17|Frontier Airlines
        AU$ 371
        AU$ 371
      • ONT07:31
        39h 29m
        2 stops
        LGW07:00
        Ontario - London|Sun, May 12|Frontier Airlines
        AU$ 371
        AU$ 371
      • ONT00:49
        46h 11m
        2 stops
        LGW07:00
        Ontario - London|Fri, May 24|Frontier Airlines
        AU$ 385
        AU$ 385
      • ONT08:51
        37h 29m
        2 stops
        LGW06:20
        Ontario - London|Thu, May 9|Frontier Airlines
        AU$ 388
        AU$ 388
      • ONT07:36
        44h 29m
        2 stops
        LHR12:05
        Ontario - London|Mon, May 20|Frontier Airlines
        AU$ 388
        AU$ 388
      • ONT00:59
        25h 1m
        2 stops
        LGW10:00
        Ontario - London|Wed, May 15|Frontier Airlines
        AU$ 388
        AU$ 388
      • ONT13:00
        3h 5m
        Direct
        LON14:00
        Los Angeles - London|Sat, May 4|Frontier Airlines
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Selected Airlines from Ontario International Airport to London

See which airlines fly from Ontario International Airport to London. Find the airline that best meets your travel needs by comparing prices and treat yourself to an enjoyable journey.

Frontier Airlines
From AU$ 342
Alaska Airlines
From AU$ 452
Jetblue Airways
From AU$ 476
Southwest Airlines
From AU$ 516
United Airlines
From AU$ 558
Delta Air Lines
From AU$ 572
American Airlines
From AU$ 626
Iberia
From AU$ 643
Virgin Atlantic
From AU$ 657
KLM Royal Dutch Airlines
From AU$ 694
ANA airlines
Find more flights and airlines

Flight Info of Flights from Ontario International Airport to London

Cheapest return ticket price

AU$ 629

Cheapest direct flight price

AU$ 385

Off-season for travel

April

Peak season for travel

October

FAQs for Ontario International Airport to London Flights

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