Cheapest one-way flights from Seoul to Istanbul in April from $308

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

One-Way flights

07 Apr Etihad Airways
09 Apr Etihad Airways
08 Apr Etihad Airways
06 Apr Qatar Airways
10 Apr Qatar Airways
20 Apr China Southern
12 Apr China Southern
05 Apr Qatar Airways
19 Apr Thai Airways
20 Apr Turkish Airlines direct

Also check the deals for return flights from Seoul to Istanbul in April.

Skyscanner

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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