Cheapest return flights from Ottawa to London in December from 523€

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

Return flights

02 Dec - 07 Dec Air Canada
01 Dec - 08 Dec Air Canada
03 Dec - 07 Dec Lufthansa direct
02 Dec - 09 Dec Air Canada
01 Dec - 11 Dec Air Canada
01 Dec - 27 Dec Air Canada
04 Dec - 27 Dec Air Canada
02 Dec - 27 Dec Air Canada
03 Dec - 27 Dec Air Canada
29 Dec - 14 Jan Air Canada
04 Dec - 06 Jan Air Canada
05 Dec - 07 Jan Air Canada
12 Dec - 23 Dec Lufthansa
25 Dec - 17 Jan Porter Airlines (Canada) Ltd
30 Dec - 24 Jan Air Canada
31 Dec - 24 Jan Air Canada
24 Dec - 17 Jan Air Canada
26 Dec - 17 Jan Air Canada
23 Dec - 17 Jan Air Canada
28 Dec - 09 Jan Lufthansa direct

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

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