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

Return flights

16 Nov - 06 Dec	WestJet
19 Nov - 26 Nov	Air Transat
18 Nov - 27 Nov	Air Transat
17 Nov - 13 Dec	Air Transat
20 Nov - 13 Dec	Air Transat
18 Nov - 13 Dec	Air Transat
21 Nov - 13 Dec	Air Transat
07 Nov - 29 Nov	Air Transat
15 Nov - 06 Dec	Air Canada
13 Nov - 17 Nov	Air Transat
04 Nov - 29 Nov	Air Transat
16 Nov - 23 Nov	Air Transat
23 Nov - 30 Nov	Air Transat
10 Nov - 24 Nov	Air Transat
22 Nov - 13 Dec	Air Transat
04 Nov - 08 Nov	Air Transat
03 Nov - 29 Nov	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 $542

Return flights