Cheapest one-way flights from Seoul to Sydney in January from $662

AirHint found the following cheapest one-way flights from Seoul (GMP) to Sydney (SYD) in January 2026 (see full year).

One-Way flights

05 Jan Jeju Air
12 Jan Air China
09 Jan Air China
08 Jan Air China
22 Jan Air China
29 Jan Air China
21 Jan Air China
06 Jan Asiana Airlines
07 Jan Asiana Airlines
03 Jan Air China

Also check the deals for return flights from Seoul to Sydney in January.

Skyscanner

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.

Book a cheap hotel in Sydney

Cheap car rent in Sydney

Feel free to contact us with any feedback or request another flight research.