Cheapest return flights from Seoul to Istanbul in April from $395

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

Return flights

10 Apr - 21 Apr China Eastern
01 Apr - 17 Apr China Southern
08 Apr - 21 Apr China Southern
09 Apr - 21 Apr China Southern
09 Apr - 17 Apr China Southern
01 Apr - 05 Apr China Southern
10 Apr - 24 Apr China Southern
08 Apr - 17 Apr China Southern
02 Apr - 05 Apr China Southern
02 Apr - 07 Apr China Southern
04 Apr - 12 May China Southern
02 Apr - 28 May China Southern
26 Apr - 26 May MIAT Mongolian Airlines
22 Apr - 06 May Emirates
08 Apr - 06 May Emirates
03 Apr - 03 May China Southern
19 Apr - 30 May China Southern
15 Apr - 11 May Emirates
07 Apr - 02 May Emirates
22 Apr - 02 May Emirates

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

Cheap car rent in Istanbul

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