AirHint found the following cheapest one-way flights from Seoul (GMP) to Istanbul (IST) in May 2026 (see full year).
One-Way flights
| 17 May | China Southern | ||
| 30 May | China Eastern | ||
| 19 May | Air China | ||
| 26 May | Air China | ||
| 29 May | China Southern | ||
| 08 May | China Southern | ||
| 31 May | China Southern | ||
| 23 May | Air China | ||
| 04 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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