AirHint found the following cheapest one-way flights from Seoul (GMP) to Sydney (SYD) in December 2025 (see full year).
One-Way flights
| 22 Dec | T'way Air | ||
| 18 Dec | T'way Air | ||
| 23 Dec | Jeju Air | ||
| 20 Dec | Jeju Air | ||
| 14 Dec | T'way Air | ||
| 06 Dec | T'way Air | ||
| 15 Dec | China Southern | ||
| 13 Dec | China Southern | ||
| 10 Dec | China Southern | ||
| 29 Dec | Air Busan |
Also check the deals for return flights from Seoul to Sydney 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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