Cheapest return flights from Seoul to Istanbul in May from $484

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

Return flights

12 May - 27 May Air China
26 May - 31 May Air China
23 May - 31 May Air China
23 May - 29 May Air China
26 May - 12 Jun Air China
16 May - 22 May Air China
23 May - 30 May China Southern
22 May - 25 May China Southern
25 May - 01 Jun China Southern
23 May - 01 Jun China Southern
09 May - 18 May China Southern
18 May - 26 May China Southern
20 May - 25 May China Southern
22 May - 02 Jun China Southern
09 May - 02 Jun China Southern
23 May - 02 Jun China Southern
25 May - 11 Jun China Southern
08 May - 06 Jun China Southern
23 May - 06 Jun China Southern
12 May - 02 Jun Qatar Airways

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

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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.

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