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

Return flights

23 Sep - 09 Oct	British Airways
26 Sep - 02 Oct	WestJet
25 Sep - 15 Oct	British Airways
16 Sep - 23 Sep	WestJet
15 Sep - 23 Sep	WestJet
18 Sep - 25 Sep	WestJet
20 Sep - 11 Oct	British Airways
30 Sep - 30 Oct	British Airways
23 Sep - 30 Oct	British Airways
20 Sep - 04 Oct	Flair Airlines
15 Sep - 21 Sep	WestJet
20 Sep - 02 Oct	Flair Airlines
20 Sep - 03 Oct	Flair Airlines
16 Sep - 22 Sep	WestJet
15 Sep - 29 Sep	WestJet
22 Sep - 18 Oct	WestJet
19 Sep - 26 Sep	WestJet
21 Sep - 28 Sep	WestJet
20 Sep - 27 Sep	WestJet
18 Sep - 28 Sep	WestJet

Also check the deals for one-way flights from Vancouver 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.

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Cheapest return flights from Vancouver to Istanbul in September from $667

Return flights