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

Return flights

01 Apr - 08 Apr	China Southern
14 Apr - 22 Apr	China Southern
08 Apr - 22 Apr	China Southern
06 Apr - 17 Apr	Korean Air
20 Apr - 20 May	Korean Air
07 Apr - 14 Apr	Asiana Airlines
13 Apr - 19 Apr	China Southern
09 Apr - 19 Apr	China Southern
06 Apr - 20 Apr	China Southern
29 Apr - 10 May	ANA
17 Apr - 24 Apr	Korean Air
29 Apr - 06 May	Singapore Airlines
19 Apr - 25 Apr	Singapore Airlines
29 Apr - 06 May	Turkish Airlines	direct
29 Apr - 10 May	Turkish Airlines	direct

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

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 April from $778

Return flights