AirHint found the following cheapest return flights from Ottawa (YOW) to London (LHR)
in May 2025 (see full year ).
Return flights
25 May
- 08 Jun
KLM
$ 662
26 May
- 12 Jun
Virgin Atlantic
$ 674
26 May
- 02 Jun
Virgin Atlantic
$ 686
28 May
- 12 Jun
Air France
$ 691
07 May
- 14 May
Air France
$ 695
10 May
- 24 May
Lufthansa
$ 703
direct
28 May
- 12 Jun
Lufthansa
$ 703
direct
29 May
- 13 Jun
Air Canada
$ 703
01 May
- 09 May
Air Canada
$ 710
07 May
- 14 May
Lufthansa
$ 710
direct
14 May
- 21 May
Lufthansa
$ 710
direct
26 May
- 02 Jun
Lufthansa
$ 710
direct
25 May
- 01 Jun
Air Canada
$ 710
26 May
- 12 Jun
Lufthansa
$ 710
direct
24 May
- 10 Jun
Air Canada
$ 710
03 May
- 13 May
Delta
$ 787
10 May
- 28 May
Delta
$ 796
12 May
- 18 May
Virgin Atlantic
$ 903
04 May
- 12 May
Delta
$ 904
03 May
- 05 May
Condor
$ 941
Also check the deals for one-way flights from Ottawa to London in May .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.
