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

Return flights

23 Sep - 30 Sep	VietJet Air
25 Sep - 30 Sep	VietJet Air
18 Sep - 30 Sep	VietJet Air
27 Sep - 29 Sep	VietJet Air
25 Sep - 03 Oct	VietJet Air
18 Sep - 28 Sep	VietJet Air
26 Sep - 30 Sep	VietJet Air
26 Sep - 01 Oct	VietJet Air
24 Sep - 15 Oct	VietJet Air
21 Sep - 28 Sep	HK Express
22 Sep - 08 Oct	VietJet Air
19 Sep - 27 Sep	Air India
20 Sep - 27 Sep	Air India
23 Sep - 29 Sep	Thai Airways
24 Sep - 01 Oct	Thai Airways
24 Sep - 08 Oct	Thai Airways
25 Sep - 06 Oct	Thai Airways
24 Sep - 04 Oct	Thai Airways
30 Sep - 07 Oct	Asiana Airlines
21 Sep - 15 Oct	Thai Airways

Also check the deals for one-way flights from Tokyo 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 Tokyo to Istanbul in September from $670

Return flights