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

Return flights

23 Jan - 29 Jan	Finnair
16 Jan - 23 Jan	Finnair
09 Jan - 23 Jan	Finnair
23 Jan - 30 Jan	Finnair
23 Jan - 12 Feb	Finnair
30 Jan - 05 Feb	Finnair
23 Jan - 19 Feb	Finnair
30 Jan - 06 Feb	Finnair
30 Jan - 11 Feb	Finnair
23 Jan - 20 Feb	Finnair
23 Jan - 11 Feb	Finnair
23 Jan - 18 Feb	Finnair
23 Jan - 05 Feb	Finnair
23 Jan - 06 Feb	Finnair
23 Jan - 27 Jan	Finnair
09 Jan - 16 Jan	Finnair
23 Jan - 28 Jan	Finnair
09 Jan - 28 Jan	Finnair
14 Jan - 28 Jan	TAP	direct
14 Jan - 21 Jan	TAP	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 $310

Return flights