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

Return flights

27 Sep - 19 Oct	WestJet	direct
23 Sep - 29 Sep	Air Transat
24 Sep - 18 Oct	WestJet
26 Sep - 19 Oct	WestJet
27 Sep - 05 Oct	easyJet
16 Sep - 30 Sep	easyJet
27 Sep - 12 Oct	WestJet	direct
05 Sep - 25 Sep	WestJet
17 Sep - 01 Oct	WestJet
26 Sep - 05 Oct	WestJet
30 Sep - 27 Oct	Air Transat
10 Sep - 17 Sep	WestJet
08 Sep - 15 Sep	WestJet
27 Sep - 05 Oct	WestJet	direct
01 Sep - 15 Sep	easyJet
02 Sep - 08 Sep	easyJet
15 Sep - 15 Oct	WestJet
05 Sep - 06 Sep	WestJet
05 Sep - 17 Sep	WestJet
06 Sep - 17 Sep	WestJet

Also check the deals for one-way flights from Paris 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 Paris to Calgary in September from 399€

Return flights