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

Return flights

13 Dec - 15 Dec	WestJet	direct
08 Dec - 15 Dec	WestJet	direct
06 Dec - 10 Dec	WestJet	direct
14 Dec - 21 Dec	Flair Airlines	direct
12 Dec - 19 Dec	Flair Airlines	direct
30 Dec - 03 Jan	WestJet	direct
13 Dec - 19 Dec	WestJet	direct
15 Dec - 22 Dec	WestJet	direct
20 Dec - 25 Dec	WestJet	direct
26 Dec - 04 Jan	WestJet	direct
23 Dec - 26 Dec	WestJet	direct
23 Dec - 29 Dec	WestJet	direct
28 Dec - 15 Jan	Flair Airlines	direct

Also check the deals for one-way flights from Waterloo to Calgary 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 Waterloo to Calgary in December from 86€

Return flights