Cheapest one-way flights from Istanbul to Seoul in April from $412

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

One-Way flights

23 Apr MIAT Mongolian Airlines
01 Apr Thai Airways
15 Apr Thai Airways
05 Apr Thai Airways
27 Apr Thai Airways
02 Apr Thai Airways
06 Apr Thai Airways
25 Apr China Southern
10 Apr China Southern
18 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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.