Cheapest return flights from Calgary to Lisbon in December from 446€

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

Return flights

03 Dec - 08 Dec WestJet
24 Dec - 08 Jan WestJet
13 Dec - 20 Dec Air Canada
18 Dec - 10 Jan Air Transat
21 Dec - 10 Jan Air Transat
10 Dec - 03 Jan Air Transat
26 Dec - 03 Jan KLM
19 Dec - 26 Dec WestJet
22 Dec - 05 Jan WestJet
21 Dec - 03 Jan Air Transat
21 Dec - 02 Jan Air Transat
21 Dec - 04 Jan WestJet

Also check the deals for one-way flights from Calgary 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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