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

Return flights

06 Apr - 13 Apr	Japan Airlines
08 Apr - 15 Apr	Japan Airlines
25 Apr - 29 Apr	Japan Airlines
01 Apr - 22 Apr	Japan Airlines
17 Apr - 06 May	ANA
28 Apr - 04 May	ANA
24 Apr - 06 May	ANA
28 Apr - 07 May	ANA
28 Apr - 05 May	ANA
30 Apr - 06 May	Japan Airlines
18 Apr - 06 May	Japan Airlines
30 Apr - 05 May	Japan Airlines
29 Apr - 09 May	Japan Airlines
29 Apr - 05 May	Japan Airlines

Also check the deals for one-way flights from Osaka to Istanbul 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 Osaka to Istanbul in April from $1181

Return flights