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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 May , June 2026

27 May - 19 Jun $ 1,082.00
YOW
Ottawa
Porter Airlines
3 STOPS
LCY
London
LCY
London
Porter Airlines
2 STOPS
YOW
Ottawa
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26 May - 01 Jun $ 2,204.00
YOW
Ottawa
Aer Lingus
2 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
YOW
Ottawa
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21 May - 08 Jun $ 5,413.00
YOW
Ottawa
Swiss International Air Lines
2 STOPS
LCY
London
LCY
London
Swiss International Air Lines
2 STOPS
YOW
Ottawa
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Last minute flights from Ottawa to London

27 May - 01 Jun $ 1,227.00
YOW
Ottawa
WestJet
3 STOPS
LCY
London
LCY
London
WestJet
2 STOPS
YOW
Ottawa
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27 May - 01 Jun $ 2,224.00
YOW
Ottawa
Aer Lingus
2 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
YOW
Ottawa
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21 May - 31 May $ 4,534.00
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

6:25 PM - 4:50 PM
Aer Lingus
3 Stops
18h 55m
YOW - LCY
$ 560
Kiwi
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9:00 AM - 8:45 AM
Aer Lingus
2 Stops
20h 20m
YOW - LCY
$ 877
Kiwi
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2:00 PM - 7:00 AM
Aer Lingus
2 Stops
13h 35m
YOW - LCY
$ 2,897
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.