AirHint found the following cheapest return flights from Ottawa (YOW) to London (LHR) in November 2025 (see full year).

Return flights

13 Nov - 20 Nov	Air France
25 Nov - 04 Dec	Air France
16 Nov - 25 Nov	Air France
16 Nov - 19 Nov	Air France
11 Nov - 06 Dec	Air France
23 Nov - 26 Nov	Air France
16 Nov - 06 Dec	Air France
09 Nov - 19 Nov	Air France
14 Nov - 06 Dec	Air France
11 Nov - 17 Nov	Air France
09 Nov - 16 Nov	Air France
09 Nov - 17 Nov	Air France
14 Nov - 21 Nov	Air France
14 Nov - 23 Nov	Air France
12 Nov - 06 Dec	Air Canada
30 Nov - 10 Dec	Lufthansa	direct
17 Nov - 13 Dec	Air Canada
19 Nov - 13 Dec	Air Canada
10 Nov - 06 Dec	Air Canada
15 Nov - 06 Dec	Air Canada

Also check the deals for one-way flights from Ottawa to London in November.

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.

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Cheapest return flights from Ottawa to London in November from $557

Return flights