AirHint found the following cheapest one-way flights from Seoul (ICN) to Istanbul (IST) in December 2025 (see full year).
One-Way flights
| 18 Dec | China Eastern | ||
| 04 Dec | China Eastern | ||
| 16 Dec | Air China | ||
| 08 Dec | China Eastern | ||
| 13 Dec | Air China | ||
| 01 Dec | China Eastern | ||
| 05 Dec | China Eastern | ||
| 24 Dec | Air China | ||
| 22 Dec | China Eastern | ||
| 15 Dec | Air China |
Also check the deals for return flights from Seoul to Istanbul in December.
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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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