AirHint found the following cheapest return flights from Istanbul (IST) to Osaka (KIX) in September 2026 (see full year).

Return flights

07 Sep - 14 Sep	Saudia
04 Sep - 11 Sep	Korean Air
07 Sep - 13 Sep	Korean Air
11 Sep - 24 Sep	Korean Air
17 Sep - 22 Sep	Etihad Airways
14 Sep - 28 Sep	Qatar Airways
04 Sep - 11 Sep	Turkish Airlines	direct
14 Sep - 28 Sep	Turkish Airlines	direct
11 Sep - 24 Sep	Turkish Airlines	direct
07 Sep - 13 Sep	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul to Osaka 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 Istanbul to Osaka in September from 636€

Return flights