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Cheap flights from Ontario (ONT) to London (LCY)

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How to find the cheapest flight from Ontario (ONT) to London (LCY)

How to find the cheapest flight from Ontario (ONT) to London (LCY)
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How to find the cheapest flight from Ontario (ONT) to London (LCY)
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How to find the cheapest flight from Ontario (ONT) to London (LCY)
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Cheap flights from Ontario to London in March , April 2025

24 Mar - 24 Apr $ 1,347.00
ONT
Ontario
Frontier Airlines
2 STOPS
LCY
London
LCY
London
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
31 Mar - 24 Apr $ 1,368.00
ONT
Ontario
Frontier Airlines
2 STOPS
LCY
London
LCY
London
Frontier Airlines
2 STOPS
ONT
Ontario
Pick dates
31 Mar - 24 Apr $ 1,411.00
ONT
Ontario
Frontier Airlines
2 STOPS
LCY
London
LCY
London
Frontier Airlines
2 STOPS
ONT
Ontario
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Last minute flights from Ontario to London

16 Mar - 31 Mar $ 1,165.00
ONT
Ontario
Hawaiian Airlines
2 STOPS
LCY
London
LCY
London
Hawaiian Airlines
2 STOPS
ONT
Ontario
Pick dates
16 Mar - 31 Mar $ 1,225.00
ONT
Ontario
Hawaiian Airlines
2 STOPS
LCY
London
LCY
London
Hawaiian Airlines
2 STOPS
ONT
Ontario
Pick dates
24 Mar - 31 Mar $ 1,350.00
ONT
Ontario
Hawaiian Airlines
2 STOPS
LCY
London
LCY
London
Hawaiian Airlines
2 STOPS
ONT
Ontario
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One-way flights to London from Ontario

8:26 AM - 4:10 PM
Lufthansa
2 Stops
25h 14m
ONT - LCY
$ 525
Kiwi
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10:38 AM - 4:25 PM
Swiss International Air Lines
2 Stops
23h 27m
ONT - LCY
$ 761
Kiwi
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10:38 AM - 4:25 PM
Swiss International Air Lines
2 Stops
23h 27m
ONT - LCY
$ 1,129
Kiwi
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How to find the cheapest flight from Ontario (ONT) to London (LCY)

Related info for your journey
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How to find the cheapest flight from Ontario (ONT) to London (LCY)
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How to find the cheapest flight from Ontario (ONT) to London (LCY)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.