Cheapest return flights from Istanbul to Seoul in May from $492

Best time to book flights for Istanbul (IST) to Seoul (ICN) flights at AirHint

AirHint found the following cheapest return flights from Istanbul (IST) to Seoul (ICN) in May 2025 (see full year).

Return flights

23 May - 29 May China Southern
28 May - 04 Jun China Southern
23 May - 01 Jun China Southern
13 May - 19 May China Southern
13 May - 21 May China Southern
13 May - 20 May China Southern
13 May - 04 Jun China Southern
21 May - 01 Jun China Southern
23 May - 26 May China Southern
15 May - 26 May AZAL
15 May - 29 May AZAL
25 May - 31 May MIAT Mongolian Airlines
20 May - 29 May MIAT Mongolian Airlines
13 May - 29 May China Southern
27 May - 07 Jun MIAT Mongolian Airlines
22 May - 01 Jun MIAT Mongolian Airlines
31 May - 07 Jun AZAL
31 May - 08 Jun AZAL
28 May - 08 Jun China Southern
22 May - 07 Jun MIAT Mongolian Airlines

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

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