Cheapest return flights from Istanbul to Seoul in April from 435€

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

Return flights

23 Apr - 10 May China Eastern
13 Apr - 13 May China Eastern
25 Apr - 20 May China Eastern
09 Apr - 22 Apr China Eastern
23 Apr - 27 Apr China Eastern
17 Apr - 02 May Air China
13 Apr - 16 Apr China Eastern
27 Apr - 11 May Turkmenistan Airlines
21 Apr - 02 May Air China
25 Apr - 28 Apr China Eastern
18 Apr - 13 May China Eastern
22 Apr - 02 May Air China
27 Apr - 09 May China Eastern
27 Apr - 08 May China Eastern
05 Apr - 22 Apr Air China
20 Apr - 20 Apr Turkmenistan Airlines
05 Apr - 20 Apr Turkmenistan Airlines
13 Apr - 27 Apr Turkmenistan Airlines
18 Apr - 27 Apr China Eastern
19 Apr - 27 Apr Turkmenistan Airlines

Also check the deals for one-way flights from Istanbul to Seoul in April.

Powered by

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.