Cheapest return flights from Seoul to Istanbul in April from 351€

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

Return flights

05 Apr - 13 Apr China Eastern
04 Apr - 17 Apr China Eastern
05 Apr - 14 Apr China Eastern
02 Apr - 10 Apr China Eastern
05 Apr - 17 Apr China Eastern
05 Apr - 18 Apr China Eastern
04 Apr - 08 Apr China Eastern
07 Apr - 21 Apr Shanghai Airlines
03 Apr - 11 Apr Etihad Airways
22 Apr - 25 Apr China Eastern
23 Apr - 05 May Etihad Airways
23 Apr - 03 May Etihad Airways
18 Apr - 03 May Etihad Airways
23 Apr - 12 May Etihad Airways
28 Apr - 12 May Etihad Airways
27 Apr - 12 May Etihad Airways
28 Apr - 05 May Etihad Airways
27 Apr - 05 May Etihad Airways
24 Apr - 03 May Etihad Airways
21 Apr - 06 May Sichuan Airlines

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

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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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