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

Return flights

15 May - 08 Jun	Singapore Airlines
12 May - 18 May	Singapore Airlines
17 May - 22 May	Singapore Airlines
15 May - 23 May	Korean Air
01 May - 05 May	Etihad Airways
15 May - 08 Jun	Turkish Airlines	direct
01 May - 05 May	Turkish Airlines	direct
15 May - 23 May	Turkish Airlines	direct

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

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 May from 542€

Return flights