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

Return flights

14 Jan - 21 Jan	Air Canada
20 Jan - 27 Jan	Air Canada
13 Jan - 20 Jan	Air Canada
19 Jan - 26 Jan	Air Canada
21 Jan - 28 Jan	Air Canada
26 Jan - 02 Feb	Air Canada
28 Jan - 04 Feb	Air Canada
27 Jan - 03 Feb	Air Canada
19 Jan - 04 Feb	Air Canada
12 Jan - 19 Jan	Lufthansa
20 Jan - 27 Jan	Lufthansa	direct
13 Jan - 20 Jan	Lufthansa	direct
27 Jan - 03 Feb	Lufthansa	direct
12 Jan - 19 Jan	British Airways	direct
19 Jan - 26 Jan	British Airways	direct
25 Jan - 01 Feb	Air Canada
29 Jan - 05 Feb	Air Canada
29 Jan - 05 Feb	Lufthansa	direct
31 Jan - 07 Feb	Air Canada
30 Jan - 06 Feb	Air Canada

Also check the deals for one-way flights from Montreal to London 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 Montreal to London in January from $638

Return flights