Cheapest one-way ICN–IST flights, May

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

One-Way flights

23 May China Eastern
21 May China Southern
28 May China Eastern
29 May China Eastern
31 May China Eastern
30 May HK Express
24 May Korean Air direct
23 May Korean Air direct
21 May Asiana Airlines direct
31 May Turkish Airlines direct

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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