Cheapest return flights from Istanbul to Seoul in May from 432€

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

Return flights

14 May - 25 May MIAT Mongolian Airlines
12 May - 27 May MIAT Mongolian Airlines
03 May - 16 May China Southern
15 May - 25 May China Southern
13 May - 16 May China Southern
14 May - 14 Jun MIAT Mongolian Airlines
10 May - 17 May MIAT Mongolian Airlines
10 May - 21 May MIAT Mongolian Airlines
21 May - 28 May MIAT Mongolian Airlines
03 May - 20 May China Southern
13 May - 20 May China Southern
10 May - 01 Jun MIAT Mongolian Airlines
27 May - 02 Jun Scandinavian Airlines
24 May - 01 Jun Turkmenistan Airlines
15 May - 02 Jun China Southern
10 May - 16 Jun MIAT Mongolian Airlines
20 May - 02 Jun Qatar Airways
20 May - 10 Jun Qatar Airways
24 May - 06 Jun Pegasus Airlines
28 May - 01 Jun MIAT Mongolian Airlines

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

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