Cheapest return flights from Montreal to London in December from 468€

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

Return flights

03 Dec - 10 Dec Porter Airlines (Canada) Ltd
01 Dec - 02 Dec Air Transat
01 Dec - 06 Dec Air Transat
01 Dec - 08 Dec Air Transat
08 Dec - 15 Dec TAP
10 Dec - 17 Dec TAP
05 Dec - 12 Dec TAP
03 Dec - 13 Dec TAP
24 Dec - 31 Dec TAP
02 Dec - 09 Dec Air Transat
31 Dec - 07 Jan TAP
27 Dec - 10 Jan Azores Airlines
19 Dec - 05 Jan Air Transat
25 Dec - 01 Jan Air Transat
30 Dec - 06 Jan Air Transat
29 Dec - 05 Jan TAP
28 Dec - 04 Jan TAP
19 Dec - 03 Jan Air Transat
27 Dec - 03 Jan Air Transat
07 Dec - 04 Jan SWISS

Also check the deals for one-way flights from Montreal 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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