Cheapest return flights from Seoul to Sydney in September from $643

AirHint found the following cheapest return flights from Seoul (GMP) to Sydney (SYD) in September 2026 (see full year).

Return flights

01 Sep - 08 Sep ANA
01 Sep - 02 Sep ANA
03 Sep - 11 Sep Asiana Airlines
01 Sep - 07 Sep Asiana Airlines
03 Sep - 10 Sep Asiana Airlines
09 Sep - 13 Sep Asiana Airlines
09 Sep - 15 Sep Asiana Airlines
01 Sep - 06 Sep Asiana Airlines
08 Sep - 15 Sep ANA
07 Sep - 15 Sep ANA
23 Sep - 02 Oct ANA
21 Sep - 02 Oct ANA
22 Sep - 02 Oct ANA
26 Sep - 03 Oct Air China
28 Sep - 09 Oct ANA
21 Sep - 04 Oct ANA
30 Sep - 05 Oct Asiana Airlines
24 Sep - 02 Oct ANA
20 Sep - 03 Oct ANA
20 Sep - 04 Oct ANA

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

Powered by

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.