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

Return flights

19 Sep - 27 Sep	China Southern
27 Sep - 04 Oct	VietJet Air
16 Sep - 23 Sep	Air India
17 Sep - 23 Sep	VietJet Air
18 Sep - 23 Sep	Asiana Airlines
26 Sep - 31 Oct	VietJet Air
25 Sep - 07 Oct	Asiana Airlines
23 Sep - 04 Oct	Thai Airways
24 Sep - 30 Sep	Thai Airways
24 Sep - 29 Sep	Thai Airways
23 Sep - 28 Sep	Thai Airways
22 Sep - 02 Oct	Thai Airways
24 Sep - 08 Oct	Thai Airways
24 Sep - 01 Oct	Thai Airways
24 Sep - 04 Oct	Thai Airways
23 Sep - 29 Sep	Thai Airways
25 Sep - 30 Sep	Thai Airways
22 Sep - 29 Sep	Thai Airways
24 Sep - 02 Oct	Thai Airways
25 Sep - 08 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 739€

Return flights