Cheapest one-way flights from Seoul to Istanbul in April from $194

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

One-Way flights

01 Apr China Eastern
10 Apr China Eastern
22 Apr China Eastern
17 Apr China Eastern
08 Apr China Eastern
15 Apr China Eastern
09 Apr China Southern
19 Apr China Eastern
02 Apr China Southern
12 Apr China Southern

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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