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Cheap flights from Ottawa (YOW) to London (LCY)

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How to find the cheapest flight from Ottawa (YOW) to London (LCY)

How to find the cheapest flight from Ottawa (YOW) to London (LCY)
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How to find the cheapest flight from Ottawa (YOW) to London (LCY)
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How to find the cheapest flight from Ottawa (YOW) to London (LCY)
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Cheap flights from Ottawa to London in April , May 2026

21 Apr - 19 May $ 1,109.00
YOW
Ottawa
WestJet
2 STOPS
LCY
London
LCY
London
WestJet
2 STOPS
YOW
Ottawa
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08 Apr - 06 May $ 1,726.00
YOW
Ottawa
KLM Royal Dutch Airlines
2 STOPS
LCY
London
LCY
London
KLM Royal Dutch Airlines
2 STOPS
YOW
Ottawa
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10 Apr - 03 May $ 5,278.00
YOW
Ottawa
KLM Royal Dutch Airlines
2 STOPS
LCY
London
LCY
London
KLM Royal Dutch Airlines
2 STOPS
YOW
Ottawa
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Last minute flights from Ottawa to London

15 Apr - 01 May $ 1,197.00
YOW
Ottawa
Air Transat
2 STOPS
LCY
London
LCY
London
Air Transat
2 STOPS
YOW
Ottawa
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15 Apr - 01 May $ 1,197.00
YOW
Ottawa
Air Transat
2 STOPS
LCY
London
LCY
London
Air Transat
2 STOPS
YOW
Ottawa
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25 Apr - 30 Apr $ 1,259.00
YOW
Ottawa
WestJet
2 STOPS
LCY
London
LCY
London
WestJet
2 STOPS
YOW
Ottawa
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One-way flights to London from Ottawa

3:05 PM - 4:50 PM
Swiss International Air Lines
2 Stops
21h 20m
YOW - LCY
$ 593
Kiwi
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10:55 AM - 4:50 PM
Swiss International Air Lines
2 Stops
25h 30m
YOW - LCY
$ 764
Kiwi
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2:05 PM - 7:00 AM
Aer Lingus
2 Stops
13h 30m
YOW - LCY
$ 822
Kiwi
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How to find the cheapest flight from Ottawa (YOW) to London (LCY)

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