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

Return flights

20 May - 27 May	Korean Air
16 May - 30 May	Korean Air
16 May - 23 May	Korean Air
23 May - 30 May	Korean Air
15 May - 23 May	Korean Air
11 May - 21 May	Korean Air
23 May - 31 May	Korean Air
11 May - 22 May	Korean Air
11 May - 20 May	Korean Air
04 May - 17 May	Korean Air
22 May - 07 Jun	Singapore Airlines
22 May - 07 Jun	Turkish Airlines	direct
29 May - 05 Jun	Emirates

Also check the deals for one-way flights from Istanbul to Osaka 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 Istanbul to Osaka in May from $908

Return flights