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

Return flights

09 Dec - 23 Dec	WestJet
01 Dec - 08 Dec	WestJet
10 Dec - 24 Dec	WestJet
10 Dec - 16 Dec	WestJet
03 Dec - 17 Dec	WestJet
10 Dec - 31 Dec	Air Canada
10 Dec - 10 Jan	Air Canada
10 Dec - 11 Jan	KLM
09 Dec - 30 Dec	Air Canada
12 Dec - 10 Jan	Lufthansa
12 Dec - 26 Dec	WestJet
16 Dec - 25 Dec	KLM
09 Dec - 01 Jan	KLM
17 Dec - 07 Jan	KLM
17 Dec - 11 Jan	KLM
16 Dec - 06 Jan	KLM
17 Dec - 23 Dec	KLM
11 Dec - 03 Jan	KLM
16 Dec - 05 Jan	KLM
22 Dec - 02 Jan	KLM

Also check the deals for one-way flights from Calgary to Warsaw 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 Calgary to Warsaw in December from $550

Return flights