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

Return flights

30 Dec - 13 Jan	WestJet
30 Dec - 08 Jan	WestJet
09 Dec - 23 Dec	Flair Airlines
29 Dec - 08 Jan	WestJet
29 Dec - 07 Jan	WestJet
07 Dec - 13 Dec	Flair Airlines
16 Dec - 22 Dec	WestJet
03 Dec - 17 Dec	WestJet
02 Dec - 16 Dec	WestJet
04 Dec - 16 Dec	WestJet
25 Dec - 24 Jan	WestJet
16 Dec - 11 Jan	WestJet	direct
28 Dec - 07 Jan	WestJet
07 Dec - 12 Dec	WestJet
08 Dec - 13 Dec	Flair Airlines
10 Dec - 15 Dec	Flair Airlines
15 Dec - 23 Dec	WestJet
23 Dec - 06 Jan	WestJet
29 Dec - 05 Jan	WestJet
17 Dec - 07 Jan	WestJet

Also check the deals for one-way flights from Calgary to Cancun 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 Cancun in December from $339

Return flights