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

Return flights

12 Jan - 07 Feb	Finnair
30 Jan - 21 Feb	Finnair
15 Jan - 07 Feb	Finnair
30 Jan - 09 Feb	Finnair
23 Jan - 03 Feb	Finnair
23 Jan - 07 Feb	Finnair
23 Jan - 02 Feb	Finnair
27 Jan - 21 Feb	Finnair
12 Jan - 19 Jan	Finnair
14 Jan - 21 Jan	Finnair
18 Jan - 25 Jan	Finnair
13 Jan - 20 Jan	Finnair
24 Jan - 09 Feb	Finnair
24 Jan - 03 Feb	Finnair
17 Jan - 25 Jan	Finnair
19 Jan - 28 Jan	Finnair
15 Jan - 25 Jan	Finnair
09 Jan - 31 Jan	Finnair
07 Jan - 31 Jan	Finnair
23 Jan - 31 Jan	Air Transat	direct

Also check the deals for one-way flights from Montreal to Lisbon 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 Lisbon in January from $343

Return flights