Cheapest return flights from Seoul to Sydney in December from $421

AirHint found the following cheapest return flights from Seoul (ICN) to Sydney (SYD) in December 2025 (see full year).

Return flights

16 Dec - 15 Jan Jetstar direct
12 Dec - 12 Jan Jetstar direct
17 Dec - 23 Jan Jetstar direct
17 Dec - 22 Jan Jetstar direct
09 Dec - 08 Jan Jetstar direct
02 Dec - 09 Jan Jetstar direct
22 Dec - 07 Jan China Southern
22 Dec - 09 Jan China Southern
16 Dec - 07 Jan China Southern
17 Dec - 07 Jan China Southern
01 Dec - 08 Dec Jetstar direct
02 Dec - 09 Dec Jetstar direct
01 Dec - 07 Dec Jetstar direct
01 Dec - 09 Dec Jetstar direct
04 Dec - 08 Dec Jetstar direct
03 Dec - 08 Dec Jetstar direct
02 Dec - 06 Dec Jetstar direct
04 Dec - 10 Dec Jetstar direct
03 Dec - 10 Dec Jetstar direct
08 Dec - 11 Dec Jetstar direct

Also check the deals for one-way flights from Seoul to Sydney in December.

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.