AirHint found the following cheapest return flights from London (LHR) to Montreal (YUL) in January 2026 (see full year).

Return flights

10 Jan - 18 Jan	Virgin Atlantic
28 Jan - 04 Feb	Air Canada
03 Jan - 10 Jan	Lufthansa
03 Jan - 15 Jan	Lufthansa
28 Jan - 04 Feb	British Airways	direct
02 Jan - 15 Jan	Air Canada
10 Jan - 18 Jan	British Airways	direct
02 Jan - 15 Jan	British Airways	direct
13 Jan - 16 Jan	British Airways
03 Jan - 15 Jan	British Airways	direct
03 Jan - 10 Jan	British Airways	direct
05 Jan - 08 Jan	British Airways

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

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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Cheapest return flights from London to Montreal in January from $558

Return flights