Cheapest return flights from Ottawa to London in December from 721€

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

Return flights

28 Dec - 11 Jan Air Transat
07 Dec - 15 Dec Porter Airlines (Canada) Ltd
01 Dec - 27 Dec Air Transat
05 Dec - 27 Dec Air Transat
07 Dec - 27 Dec Air Transat
14 Dec - 28 Dec Porter Airlines (Canada) Ltd
24 Dec - 09 Jan Porter Airlines (Canada) Ltd
14 Dec - 29 Dec Porter Airlines (Canada) Ltd
15 Dec - 28 Dec Porter Airlines (Canada) Ltd
15 Dec - 29 Dec Air Transat
16 Dec - 10 Jan Porter Airlines (Canada) Ltd
22 Dec - 17 Jan Porter Airlines (Canada) Ltd
17 Dec - 10 Jan Porter Airlines (Canada) Ltd
15 Dec - 23 Dec Porter Airlines (Canada) Ltd
24 Dec - 07 Jan Porter Airlines (Canada) Ltd
14 Dec - 05 Jan Porter Airlines (Canada) Ltd
17 Dec - 29 Dec Porter Airlines (Canada) Ltd
23 Dec - 06 Jan Porter Airlines (Canada) Ltd
22 Dec - 03 Jan Porter Airlines (Canada) Ltd
20 Dec - 01 Jan Porter Airlines (Canada) Ltd

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

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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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