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

Return flights

20 Apr - 22 Apr	Air China
20 Apr - 23 Apr	Air China
15 Apr - 21 Apr	Air China
13 Apr - 23 Apr	Air China
15 Apr - 23 Apr	Air China
20 Apr - 24 Apr	Air China
21 Apr - 28 Apr	China Southern
16 Apr - 24 Apr	AirAsia X
07 Apr - 17 Apr	AirAsia X
19 Apr - 01 May	HK Express
21 Apr - 11 May	China Southern
07 Apr - 15 Apr	Air China
30 Apr - 04 May	AirAsia X
25 Apr - 03 May	AirAsia X
26 Apr - 01 May	AirAsia X
26 Apr - 03 May	China Southern
29 Apr - 10 May	China Southern
24 Apr - 02 May	China Southern
26 Apr - 02 May	China Southern
23 Apr - 04 May	China Southern

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 $541

Return flights