Cheapest one-way flights from Seoul to Istanbul in April from 310€

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

One-Way flights

02 Apr Jeju Air
05 Apr Korean Air
12 Apr Korean Air
04 Apr Korean Air
08 Apr China Southern
20 Apr China Southern
01 Apr China Southern
10 Apr Asiana Airlines
06 Apr Asiana Airlines
16 Apr Asiana Airlines

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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