Cheapest return flights from London to Montreal in December from 573€

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

Return flights

30 Dec - 15 Jan SWISS
30 Dec - 06 Jan SWISS
30 Dec - 05 Jan SWISS
31 Dec - 10 Jan Vueling Airlines
29 Dec - 04 Jan SWISS
29 Dec - 10 Jan Air Transat
31 Dec - 07 Jan Vueling Airlines
29 Dec - 05 Jan easyJet
31 Dec - 05 Jan Air Transat

Also check the deals for one-way flights from London to Montreal 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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