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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 December 2025 , January 2026

31 Dec - 26 Jan $ 1,200.00
YOW
Ottawa
Porter Airlines
2 STOPS
LCY
London
LCY
London
Porter Airlines
3 STOPS
YOW
Ottawa
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23 Dec - 06 Jan $ 2,450.00
YOW
Ottawa
KLM Royal Dutch Airlines
2 STOPS
LCY
London
LCY
London
KLM Royal Dutch Airlines
2 STOPS
YOW
Ottawa
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23 Dec - 07 Jan $ 2,450.00
YOW
Ottawa
KLM Royal Dutch Airlines
2 STOPS
LCY
London
LCY
London
KLM Royal Dutch Airlines
2 STOPS
YOW
Ottawa
Pick dates

Last minute flights from Ottawa to London

30 Dec - 01 Jan $ 1,810.00
YOW
Ottawa
Porter Airlines
2 STOPS
LCY
London
LCY
London
Porter Airlines
3 STOPS
YOW
Ottawa
Pick dates
23 Dec - 31 Dec $ 2,442.00
YOW
Ottawa
KLM Royal Dutch Airlines
2 STOPS
LCY
London
LCY
London
KLM Royal Dutch Airlines
2 STOPS
YOW
Ottawa
Pick dates
22 Dec - 31 Dec $ 2,551.00
YOW
Ottawa
KLM Royal Dutch Airlines
2 STOPS
LCY
London
LCY
London
KLM Royal Dutch Airlines
2 STOPS
YOW
Ottawa
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One-way flights to London from Ottawa

3:55 PM - 4:25 PM
Swiss International Air Lines
2 Stops
20h 10m
YOW - LCY
$ 647
Kiwi
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3:10 PM - 12:10 PM
United Airlines
2 Stops
16h 45m
YOW - LCY
$ 968
Kiwi
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4:15 PM - 12:10 PM
Swiss International Air Lines
2 Stops
15h 40m
YOW - LCY
$ 1,174
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.