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

Return flights

30 Oct - 02 Nov	WestJet	direct
27 Oct - 28 Oct	WestJet	direct
24 Oct - 31 Oct	Flair Airlines	direct
23 Oct - 27 Oct	Flair Airlines	direct
23 Oct - 26 Oct	Flair Airlines	direct
24 Oct - 26 Oct	Flair Airlines	direct
18 Oct - 27 Oct	WestJet	direct
06 Oct - 05 Nov	WestJet	direct
24 Oct - 30 Oct	Flair Airlines	direct
03 Oct - 12 Oct	Flair Airlines	direct
02 Oct - 05 Oct	WestJet	direct
17 Oct - 19 Oct	WestJet	direct

Also check the deals for one-way flights from Waterloo to Calgary in October.

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 October from 87€

Return flights