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

14 Apr MIAT Mongolian Airlines
28 Apr MIAT Mongolian Airlines
16 Apr China Southern
18 Apr China Southern
25 Apr China Southern
01 Apr Air China
08 Apr Air China
22 Apr Qatar Airways
15 Apr Qatar Airways
23 Apr Thai Airways

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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