Cheapest return flights from Ottawa to London in December from $606

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

Return flights

01 Dec - 07 Dec Air Canada
02 Dec - 06 Dec Air Canada
02 Dec - 07 Dec Air Canada
01 Dec - 06 Dec Air Canada
03 Dec - 07 Dec Air Canada
01 Dec - 05 Dec Air Canada
04 Dec - 16 Dec Air France
30 Dec - 20 Jan Lufthansa
03 Dec - 27 Dec Air Canada
04 Dec - 27 Dec Air France
07 Dec - 27 Dec Air France
31 Dec - 07 Jan Air Canada
31 Dec - 10 Jan Air Canada
09 Dec - 03 Jan Air Canada
10 Dec - 03 Jan Air Canada
08 Dec - 03 Jan Air Canada
21 Dec - 07 Jan Air Canada
23 Dec - 04 Jan Air France
21 Dec - 03 Jan Air France

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

Skyscanner

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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