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

Return flights

22 Sep - 25 Sep	China Eastern
23 Sep - 25 Sep	China Eastern
23 Sep - 29 Sep	Scoot
23 Sep - 30 Sep	China Eastern
22 Sep - 30 Sep	China Eastern
18 Sep - 25 Sep	Sichuan Airlines
23 Sep - 04 Oct	China Eastern
23 Sep - 03 Oct	China Eastern
18 Sep - 27 Sep	Peach
18 Sep - 02 Oct	Peach
22 Sep - 26 Sep	China Eastern
18 Sep - 01 Oct	Peach
26 Sep - 03 Oct	Peach
16 Sep - 26 Sep	China Eastern
17 Sep - 23 Sep	Peach
19 Sep - 08 Oct	Air India
25 Sep - 07 Oct	Asiana Airlines
24 Sep - 07 Oct	Asiana Airlines
23 Sep - 07 Oct	Asiana Airlines
24 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 598€

Return flights