Cheapest return flights from Montreal to Lisbon in December from 340€

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

Return flights

01 Dec - 15 Dec Air Transat direct
07 Dec - 15 Dec Air Transat direct
01 Dec - 08 Dec Air Transat direct
03 Dec - 13 Dec Air Transat direct
05 Dec - 13 Dec Air Transat direct
05 Dec - 15 Dec Air Transat direct
06 Dec - 09 Dec Air Transat
03 Dec - 14 Dec Air Transat
02 Dec - 15 Dec Air Transat
06 Dec - 11 Dec Air Transat
11 Dec - 13 Jan Air Canada direct
10 Dec - 13 Jan Air Canada
07 Dec - 19 Jan Air Transat direct
11 Dec - 12 Jan Air Canada
31 Dec - 14 Jan TAP direct
31 Dec - 16 Jan TAP direct
29 Dec - 24 Jan Air Transat direct
30 Dec - 26 Jan Air Transat
30 Dec - 24 Jan Air Transat
14 Dec - 20 Jan British Airways

Also check the deals for one-way 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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