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

Return flights

02 Sep - 06 Sep	China Southern
02 Sep - 08 Sep	China Southern
02 Sep - 10 Sep	China Southern
04 Sep - 10 Sep	China Southern
04 Sep - 17 Sep	China Southern
03 Sep - 06 Sep	China Southern
11 Sep - 17 Sep	China Southern
17 Sep - 23 Sep	China Eastern
17 Sep - 24 Sep	China Eastern
02 Sep - 09 Sep	China Southern
15 Sep - 15 Oct	China Eastern
29 Sep - 06 Oct	Emirates
29 Sep - 15 Oct	Emirates
26 Sep - 06 Oct	Emirates
29 Sep - 14 Oct	Thai Airways
08 Sep - 05 Oct	Thai Airways
29 Sep - 07 Oct	Thai Airways
20 Sep - 14 Oct	Thai Airways
08 Sep - 06 Oct	Thai Airways
17 Sep - 01 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 $653

Return flights