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

Return flights

22 Apr - 09 May	Air China
12 Apr - 21 Apr	Air China
20 Apr - 26 Apr	AirAsia X
10 Apr - 22 Apr	Saudia
12 Apr - 26 Apr	Saudia
13 Apr - 19 Apr	Saudia
11 Apr - 25 Apr	Saudia
11 Apr - 19 Apr	Saudia
10 Apr - 21 Apr	Saudia
10 Apr - 20 Apr	Saudia
06 Apr - 10 Apr	Saudia
17 Apr - 02 May	Air China
20 Apr - 07 May	Korean Air
01 Apr - 31 May	Korean Air
20 Apr - 07 May	Turkish Airlines	direct
20 Apr - 02 May	Wizz Air
22 Apr - 09 May	Turkish Airlines	direct
01 Apr - 31 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 498€

Return flights