Earn point on your loyalty program!arrow arc left

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

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 London (LCY) to Ottawa (YOW)

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

Cheap flights from London to Ottawa in May , June 2026

28 May - 18 Jun $ 1,079.00
LCY
London
KLM Royal Dutch Airlines
2 STOPS
YOW
Ottawa
YOW
Ottawa
KLM Royal Dutch Airlines
3 STOPS
LCY
London
Pick dates
26 May - 11 Jun $ 2,034.00
LCY
London
Swiss International Air Lines
2 STOPS
YOW
Ottawa
YOW
Ottawa
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates
19 May - 06 Jun $ 2,825.00
LCY
London
KLM Royal Dutch Airlines
2 STOPS
YOW
Ottawa
YOW
Ottawa
KLM Royal Dutch Airlines
2 STOPS
LCY
London
Pick dates

Last minute flights from London to Ottawa

29 May - 01 Jun $ 1,200.00
LCY
London
Aer Lingus
2 STOPS
YOW
Ottawa
YOW
Ottawa
Aer Lingus
3 STOPS
LCY
London
Pick dates
26 May - 01 Jun $ 2,108.00
LCY
London
Swiss International Air Lines
2 STOPS
YOW
Ottawa
YOW
Ottawa
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates
24 May - 01 Jun $ 2,368.00
LCY
London
Swiss International Air Lines
2 STOPS
YOW
Ottawa
YOW
Ottawa
Swiss International Air Lines
2 STOPS
LCY
London
Pick dates

One-way flights to Ottawa from London

8:25 AM - 5:25 PM
Porter Airlines
2 Stops
14h 50m
LCY - YOW
$ 614
Kiwi
Pick dates
6:45 AM - 11:40 PM
Aer Lingus
2 Stops
23h 1m
LCY - YOW
$ 1,316
Kiwi
Pick dates
9:15 AM - 6:05 PM
Swiss International Air Lines
2 Stops
14h 56m
LCY - YOW
$ 1,974
Kiwi
Pick dates

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

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 London (LCY) to Ottawa (YOW)
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 London (LCY) to Ottawa (YOW)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.