Cheapest return flights from Montreal to London in December from $471

Best time to book flights for Montreal (YUL) to London (LGW) flights at AirHint

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

Return flights

01 Dec - 08 Dec TAP
03 Dec - 10 Dec TAP
07 Dec - 14 Dec TAP
05 Dec - 14 Dec TAP
05 Dec - 12 Dec TAP
08 Dec - 15 Dec TAP
10 Dec - 17 Dec TAP
02 Dec - 09 Dec Air Transat
29 Dec - 05 Jan Air Transat
09 Dec - 16 Dec Air Transat
17 Dec - 24 Dec TAP
31 Dec - 07 Jan TAP
19 Dec - 04 Jan Air Transat
24 Dec - 02 Jan TAP
26 Dec - 02 Jan TAP
24 Dec - 01 Jan TAP
26 Dec - 03 Jan TAP
24 Dec - 03 Jan TAP
25 Dec - 02 Jan TAP
20 Dec - 05 Jan Air Transat

Also check the deals for one-way flights from Montreal 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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