AirHint found the following cheapest one-way flights from Singapore (SIN) to Seoul (ICN) in December 2025 (see full year).
One-Way flights
| 31 Dec | Scoot | direct | |
| 30 Dec | T'way Air | direct | |
| 28 Dec | T'way Air | direct | |
| 26 Dec | Hainan Airlines | ||
| 15 Dec | Firefly | ||
| 17 Dec | AirAsia | ||
| 05 Dec | Scoot | ||
| 04 Dec | VietJet Air | ||
| 11 Dec | Scoot | ||
| 26 Dec | Jeju Air | direct |
Also check the deals for return flights from Singapore to Seoul 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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