AirHint found the following cheapest return flights from Osaka (ITM) to Istanbul (IST) in August 2025 (see full year).

Return flights

31 Aug - 03 Sep	ANA
26 Aug - 01 Sep	ANA
21 Aug - 31 Aug	Qatar Airways
20 Aug - 03 Sep	Qatar Airways
29 Aug - 15 Sep	ANA
19 Aug - 23 Aug	ANA
31 Aug - 04 Sep	Turkish Airlines
28 Aug - 11 Sep	Turkish Airlines
19 Aug - 31 Aug	Air France
31 Aug - 09 Sep	Japan Airlines
20 Aug - 27 Aug	Turkish Airlines
28 Aug - 10 Sep	Turkish Airlines
28 Aug - 15 Sep	Turkish Airlines
28 Aug - 16 Sep	Turkish Airlines
25 Aug - 31 Aug	Air France
26 Aug - 31 Aug	Air France
22 Aug - 29 Aug	ANA
25 Aug - 29 Aug	ANA
24 Aug - 26 Aug	ANA
23 Aug - 31 Aug	ANA

Also check the deals for one-way flights from Osaka to Istanbul in August.

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 Osaka to Istanbul in August from 1048€

Return flights