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

Return flights

29 Sep - 06 Oct	WestJet
15 Sep - 24 Sep	WestJet
20 Sep - 27 Sep	WestJet
14 Sep - 23 Sep	WestJet
14 Sep - 22 Sep	WestJet
19 Sep - 27 Sep	WestJet
13 Sep - 23 Sep	WestJet
13 Sep - 04 Oct	WestJet
14 Sep - 04 Oct	WestJet
28 Sep - 10 Oct	WestJet
13 Sep - 21 Sep	WestJet
20 Sep - 13 Oct	WestJet
09 Sep - 07 Oct	WestJet
15 Sep - 11 Oct	WestJet
18 Sep - 11 Oct	WestJet
04 Sep - 27 Sep	WestJet
30 Sep - 25 Oct	WestJet
29 Sep - 25 Oct	Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Calgary to Istanbul 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.

Book a cheap hotel in Istanbul

Cheap car rent in Istanbul

Cheapest return flights from Calgary to Istanbul in September from 597€

Return flights