Cheapest one-way flights from Seoul to Istanbul in April from $289

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

One-Way flights

09 Apr Etihad Airways
01 Apr Etihad Airways
03 Apr Etihad Airways
23 Apr Etihad Airways
02 Apr Etihad Airways
25 Apr VietJet Air
08 Apr China Southern
04 Apr MIAT Mongolian Airlines
05 Apr Etihad Airways
12 Apr VietJet Air

Also check the deals for return 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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