AirHint found the following cheapest return flights from Phoenix (PHX) to Calgary (YYC) in September 2025 (see full year).

Return flights

24 Sep - 28 Sep	WestJet	direct
19 Sep - 22 Sep	WestJet
24 Sep - 27 Sep	WestJet
23 Sep - 27 Sep	WestJet
25 Sep - 28 Sep	WestJet
24 Sep - 26 Sep	WestJet
10 Sep - 15 Sep	WestJet
14 Sep - 16 Sep	WestJet	direct
10 Sep - 15 Sep	WestJet	direct
24 Sep - 26 Sep	WestJet	direct
27 Sep - 01 Oct	United

Also check the deals for one-way flights from Phoenix to Calgary in September.

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 Phoenix to Calgary in September from $136

Return flights