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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 March , April 2026

29 Mar - 23 Apr $ 1,090.00
YOW
Ottawa
Porter Airlines
2 STOPS
LCY
London
LCY
London
Porter Airlines
2 STOPS
YOW
Ottawa
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15 Mar - 10 Apr $ 1,987.00
YOW
Ottawa
KLM Royal Dutch Airlines
2 STOPS
LCY
London
LCY
London
KLM Royal Dutch Airlines
2 STOPS
YOW
Ottawa
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15 Mar - 02 Apr $ 2,146.00
YOW
Ottawa
Aer Lingus
2 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
YOW
Ottawa
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Last minute flights from Ottawa to London

29 Mar - 01 Apr $ 1,391.00
YOW
Ottawa
Hahn Air Technologies
2 STOPS
LCY
London
LCY
London
Hahn Air Technologies
3 STOPS
YOW
Ottawa
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25 Mar - 31 Mar $ 1,549.00
YOW
Ottawa
Aer Lingus
2 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
YOW
Ottawa
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15 Mar - 31 Mar $ 2,136.00
YOW
Ottawa
Aer Lingus
2 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
YOW
Ottawa
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One-way flights to London from Ottawa

3:55 PM - 4:50 PM
Swiss International Air Lines
2 Stops
20h 30m
YOW - LCY
$ 562
Kiwi
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2:05 PM - 7:00 AM
Aer Lingus
2 Stops
14h 30m
YOW - LCY
$ 887
Kiwi
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2:50 PM - 7:15 AM
Swiss International Air Lines
2 Stops
13h 10m
YOW - LCY
$ 3,544
Kiwi
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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)
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.