Cheapest return flights from Seoul to Istanbul in May from 495€

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

Return flights

11 May - 01 Jun China Southern
25 May - 08 Jun China Southern
25 May - 01 Jun China Southern
25 May - 09 Jun China Southern
25 May - 04 Jun China Southern
23 May - 29 May Air China
21 May - 22 May Air China
23 May - 26 May Air China
19 May - 26 May Air China
23 May - 28 May Air China
21 May - 31 May Air China
27 May - 03 Jun Air China
22 May - 01 Jun China Southern
24 May - 02 Jun China Southern
24 May - 01 Jun China Southern
24 May - 08 Jun China Southern
06 May - 17 May Air China
03 May - 11 May China Southern
11 May - 15 May Air China
23 May - 27 May Air China

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

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