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

Return flights

21 Jan - 28 Jan	TAP
28 Jan - 04 Feb	TAP
19 Jan - 26 Jan	TAP
12 Jan - 19 Jan	British Airways	direct
07 Jan - 14 Jan	TAP
05 Jan - 21 Jan	TAP
17 Jan - 29 Jan	Air Canada
14 Jan - 21 Jan	TAP
09 Jan - 29 Jan	Finnair
17 Jan - 29 Jan	Finnair	direct
25 Jan - 01 Feb	TAP
18 Jan - 25 Jan	Air Canada
26 Jan - 02 Feb	Air Canada
27 Jan - 03 Feb	Air Canada
30 Jan - 06 Feb	Lufthansa	direct
29 Jan - 05 Feb	Lufthansa	direct
31 Jan - 07 Feb	Air Canada	direct
26 Jan - 02 Feb	Lufthansa	direct
28 Jan - 04 Feb	Lufthansa	direct
25 Jan - 01 Feb	Lufthansa	direct

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 422€

Return flights