Cheapest one-way flights from Montreal to Lisbon in December from 231€

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

One-Way flights

01 Dec Azores Airlines
03 Dec Air Transat direct
10 Dec Air Transat direct
06 Dec Air Transat
09 Dec Air Transat
11 Dec Air Transat
12 Dec Air Transat direct
13 Dec Azores Airlines
14 Dec Porter Airlines (Canada) Ltd
15 Dec Porter Airlines (Canada) Ltd

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

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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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