Cheapest return flights from Seoul to Istanbul in May from 392€

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

Return flights

09 May - 26 May MIAT Mongolian Airlines
24 May - 01 Jun China Southern
10 May - 09 Jun China Southern
10 May - 04 Jun China Southern
09 May - 02 Jun China Southern
27 May - 28 May Air China
20 May - 29 May Air China
25 May - 02 Jun Air China
19 May - 26 May Air China
16 May - 28 May Air China
20 May - 26 May Air China
14 May - 28 May Air China
20 May - 27 May Air China
20 May - 28 May Air China
16 May - 11 Jun Air China
23 May - 01 Jun China Southern
16 May - 01 Jun China Southern
25 May - 01 Jun China Southern
18 May - 01 Jun China Southern
25 May - 29 May Air China

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

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