Cheapest return flights from Montreal to Lisbon in December from $556

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

Return flights

10 Dec - 15 Dec Air Transat direct
30 Dec - 20 Jan Air Canada direct
30 Dec - 15 Jan Air Canada direct
09 Dec - 13 Dec Air Canada direct
08 Dec - 13 Dec Air Canada
28 Dec - 19 Jan Air Transat direct
08 Dec - 15 Dec Azores Airlines
27 Dec - 15 Jan Air Canada direct
27 Dec - 23 Jan Air Transat
10 Dec - 17 Dec Air Transat
29 Dec - 12 Jan Air Transat
13 Dec - 15 Jan Azores Airlines
30 Dec - 13 Jan Air France
29 Dec - 10 Jan Azores Airlines
12 Dec - 23 Dec Air Canada
12 Dec - 25 Dec Air Canada
08 Dec - 15 Dec TAP direct
12 Dec - 24 Dec Air Canada
10 Dec - 27 Dec Air Transat direct
29 Dec - 12 Jan Air Transat direct

Also check the deals for one-way flights from Montreal to Lisbon in December.

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