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

12 May - 27 May MIAT Mongolian Airlines
14 May - 25 May MIAT Mongolian Airlines
03 May - 11 May China Southern
14 May - 17 May MIAT Mongolian Airlines
03 May - 07 Jun China Southern
14 May - 14 Jun MIAT Mongolian Airlines
03 May - 20 May China Southern
13 May - 20 May China Southern
10 May - 01 Jun MIAT Mongolian Airlines
10 May - 28 May MIAT Mongolian Airlines
15 May - 31 May China Southern
17 May - 27 May MIAT Mongolian Airlines
01 May - 13 May Air China
26 May - 11 Jun Qatar Airways
21 May - 05 Jun MIAT Mongolian Airlines
24 May - 01 Jun Turkmenistan Airlines
25 May - 05 Jun Pegasus Airlines
15 May - 02 Jun China Southern
21 May - 01 Jun MIAT Mongolian Airlines
23 May - 03 Jun Gulf Air

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

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