AirHint found the following cheapest one-way flights from Seoul (GMP) to Singapore (SIN) in December 2025 (see full year).
One-Way flights
| 03 Dec | Air Busan | ||
| 02 Dec | Jeju Air | ||
| 08 Dec | Jeju Air | ||
| 04 Dec | Air China | ||
| 10 Dec | Jeju Air | ||
| 07 Dec | Jeju Air | ||
| 09 Dec | Jeju Air | ||
| 11 Dec | Jeju Air | ||
| 06 Dec | Jin Air | ||
| 18 Dec | Air Busan |
Also check the deals for return flights from Seoul to Singapore 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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