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

Return flights

02 Dec - 16 Dec	Air Canada
04 Dec - 13 Dec	Air Canada
05 Dec - 11 Dec	Air Canada
07 Dec - 14 Dec	Air Canada
08 Dec - 14 Dec	Air Canada
09 Dec - 23 Dec	Air Canada
02 Dec - 23 Dec	Air Canada
03 Dec - 17 Dec	Air Canada
10 Dec - 24 Dec	Air Canada
21 Dec - 04 Jan	Air Canada

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

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 Quebec to Lisbon in December from $541

Return flights