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

Return flights

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

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 458€

Return flights