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

Return flights

31 Aug - 07 Sep	Singapore Airlines
18 Aug - 23 Aug	Singapore Airlines
06 Aug - 12 Aug	Singapore Airlines
02 Aug - 09 Aug	Singapore Airlines
11 Aug - 16 Aug	Singapore Airlines
10 Aug - 15 Aug	China Southern
12 Aug - 15 Aug	China Southern
07 Aug - 16 Aug	Singapore Airlines
10 Aug - 14 Aug	Singapore Airlines
08 Aug - 14 Aug	Singapore Airlines
18 Aug - 25 Aug	Asiana Airlines
31 Aug - 07 Sep	Turkish Airlines	direct

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 $589

Return flights