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

Return flights

03 Dec - 10 Dec	WestJet
01 Dec - 23 Dec	WestJet
02 Dec - 16 Dec	WestJet
01 Dec - 09 Dec	WestJet
03 Dec - 20 Dec	WestJet
06 Dec - 13 Dec	WestJet
13 Dec - 15 Dec	WestJet
02 Dec - 26 Dec	KLM
24 Dec - 31 Dec	WestJet
17 Dec - 12 Jan	Air Canada
16 Dec - 30 Dec	KLM
24 Dec - 01 Jan	WestJet
23 Dec - 01 Jan	KLM
15 Dec - 02 Jan	WestJet
17 Dec - 02 Jan	Air Canada
15 Dec - 03 Jan	Air Canada
27 Dec - 03 Jan	Air Canada
19 Dec - 02 Jan	Air Canada
18 Dec - 02 Jan	KLM

Also check the deals for one-way flights from Calgary to Barcelona 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 Barcelona in December from 403€

Return flights