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

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

Return flights

14 May - 26 May MIAT Mongolian Airlines
14 May - 19 May MIAT Mongolian Airlines
26 May - 02 Jun MIAT Mongolian Airlines
05 May - 14 May MIAT Mongolian Airlines
05 May - 19 May MIAT Mongolian Airlines
05 May - 17 May MIAT Mongolian Airlines
21 May - 04 Jun MIAT Mongolian Airlines
12 May - 24 May MIAT Mongolian Airlines
19 May - 29 May MIAT Mongolian Airlines
10 May - 12 May MIAT Mongolian Airlines
25 May - 01 Jun LOT
15 May - 29 May Etihad Airways
25 May - 05 Jun LOT
22 May - 06 Jun Etihad Airways
01 May - 06 May Etihad Airways
24 May - 03 Jun LOT
10 May - 01 Jun LOT
22 May - 01 Jun Etihad Airways
23 May - 01 Jun LOT
29 May - 06 Jun Etihad Airways

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

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