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

Return flights

27 Sep - 07 Oct	VietJet Air
17 Sep - 23 Sep	MIAT Mongolian Airlines
10 Sep - 15 Sep	HK Express
10 Sep - 19 Sep	HK Express
16 Sep - 25 Sep	HK Express
15 Sep - 19 Sep	China Southern
16 Sep - 22 Sep	China Southern
12 Sep - 19 Sep	China Southern
18 Sep - 12 Oct	Air China
02 Sep - 05 Sep	China Southern
02 Sep - 10 Sep	China Southern
03 Sep - 10 Sep	China Southern
23 Sep - 01 Oct	HK Express
28 Sep - 04 Oct	Etihad Airways
24 Sep - 04 Oct	Etihad Airways
21 Sep - 08 Oct	China Southern
16 Sep - 04 Oct	Thai Airways
22 Sep - 01 Oct	Thai Airways
25 Sep - 05 Oct	Thai Airways
18 Sep - 03 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 $701

Return flights