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

Return flights

06 Aug - 17 Aug	Singapore Airlines
14 Aug - 21 Aug	Singapore Airlines
06 Aug - 12 Aug	Singapore Airlines
09 Aug - 14 Aug	Singapore Airlines
07 Aug - 14 Aug	Singapore Airlines
20 Aug - 26 Aug	Korean Air
24 Aug - 28 Aug	Korean Air
02 Aug - 08 Aug	Korean Air
03 Aug - 18 Aug	Asiana Airlines
05 Aug - 18 Aug	Asiana Airlines

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 $620

Return flights