Earn point on your loyalty program!arrow arc left

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

Know your dates, get live prices in seconds
airplane logo

pin logo

calendar
Departure
calendar backward
Return
airplane logo
1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
Save up to 31%
Book Flight + Hotel at the same time

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

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.
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.

Cheap flights from Ottawa to London in July , August 2026

27 Jul - 27 Aug $ 1,233.00
YOW
Ottawa
WestJet
3 STOPS
LCY
London
LCY
London
WestJet
2 STOPS
YOW
Ottawa
Pick dates
28 Jul - 10 Aug $ 2,054.00
YOW
Ottawa
Aer Lingus
2 STOPS
LCY
London
LCY
London
Aer Lingus
2 STOPS
YOW
Ottawa
Pick dates
27 Jul - 08 Aug $ 2,397.00
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

27 Jul - 31 Jul $ 1,463.00
YOW
Ottawa
Porter Airlines
3 STOPS
LCY
London
LCY
London
Porter Airlines
2 STOPS
YOW
Ottawa
Pick dates
28 Jul - 31 Jul $ 2,364.00
YOW
Ottawa
KLM Royal Dutch Airlines
2 STOPS
LCY
London
LCY
London
KLM Royal Dutch Airlines
2 STOPS
YOW
Ottawa
Pick dates
27 Jul - 31 Jul $ 2,424.00
YOW
Ottawa
KLM Royal Dutch Airlines
2 STOPS
LCY
London
LCY
London
KLM Royal Dutch Airlines
2 STOPS
YOW
Ottawa
Pick dates

One-way flights to London from Ottawa

12:00 PM - 7:00 AM
Aer Lingus
2 Stops
15h 35m
YOW - LCY
$ 611
Kiwi
Pick dates
12:00 PM - 7:30 AM
Aer Lingus
2 Stops
16h 5m
YOW - LCY
$ 613
Kiwi
Pick dates
2:35 PM - 8:00 AM
Swiss International Air Lines
2 Stops
13h 5m
YOW - LCY
$ 836
Kiwi
Pick dates

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

Related info for your journey
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.
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.