Cheapest one-way flights from Montreal to Lisbon in December from $298

AirHint found the following cheapest one-way flights from Montreal (YUL) to Lisbon (LIS) in December 2025 (see full year).

One-Way flights

14 Dec Air Transat direct
15 Dec Air Transat direct
01 Dec Air Transat direct
05 Dec Air Transat direct
12 Dec Air Transat direct
07 Dec Air Transat direct
31 Dec TAP direct
06 Dec Azores Airlines
02 Dec Air Transat
09 Dec Air Transat

Also check the deals for return flights from Montreal to Lisbon in December.

Skyscanner

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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