Cheapest return flights from Istanbul to Seoul in April from $679

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

Return flights

08 Apr - 15 Apr China Southern
07 Apr - 17 Apr China Southern
08 Apr - 12 Apr China Southern
01 Apr - 08 Apr China Southern
01 Apr - 12 Apr China Southern
10 Apr - 17 Apr China Southern
01 Apr - 10 Apr China Southern
13 Apr - 20 Apr China Southern
23 Apr - 28 Apr MIAT Mongolian Airlines
20 Apr - 25 Apr Etihad Airways
15 Apr - 02 May Etihad Airways
13 Apr - 03 May Etihad Airways
27 Apr - 08 May Etihad Airways
23 Apr - 03 May Etihad Airways
29 Apr - 07 May Etihad Airways
17 Apr - 02 May Etihad Airways
19 Apr - 02 May Etihad Airways
19 Apr - 05 May Etihad Airways
19 Apr - 10 May Etihad Airways
17 Apr - 03 May Etihad Airways

Also check the deals for one-way 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.