Cheapest one-way flights from Seoul to Istanbul in May from 291€

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

One-Way flights

18 May China Southern
07 May Korean Air
24 May Jeju Air
09 May Asiana Airlines
31 May China Southern
12 May Jeju Air
10 May China Southern
17 May China Southern
08 May China Southern
13 May China Southern

Also check the deals for return 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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