Cheapest one-way flights from Istanbul to Seoul in April from $545

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

One-Way flights

21 Apr MIAT Mongolian Airlines
18 Apr China Southern
25 Apr China Southern
28 Apr China Southern
04 Apr China Southern
16 Apr China Southern
02 Apr China Southern
12 Apr Air China
10 Apr Air China
15 Apr Air China

Also check the deals for return flights from Istanbul to Seoul 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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