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

Return flights

18 Aug - 23 Aug	Singapore Airlines
27 Aug - 02 Sep	Singapore Airlines
26 Aug - 02 Sep	Singapore Airlines
11 Aug - 19 Aug	Singapore Airlines
09 Aug - 16 Aug	China Southern
10 Aug - 15 Aug	China Southern
04 Aug - 14 Aug	AirAsia X
09 Aug - 10 Aug	AirAsia X
09 Aug - 14 Aug	Singapore Airlines
10 Aug - 14 Aug	Singapore Airlines
07 Aug - 14 Aug	China Southern
09 Aug - 11 Aug	China Southern
26 Aug - 02 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 564€

Return flights