Cheapest return flights from Seoul to Sydney in September from $398

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

Return flights

10 Sep - 18 Sep VietJet Air
08 Sep - 15 Sep Jetstar direct
10 Sep - 18 Sep Jetstar direct
03 Sep - 16 Sep Jetstar direct
10 Sep - 16 Sep Jetstar direct
07 Sep - 15 Sep Jetstar direct
10 Sep - 15 Sep Jetstar direct
08 Sep - 18 Sep Jetstar direct
08 Sep - 16 Sep Jetstar direct
10 Sep - 23 Sep Scoot Tigerair
22 Sep - 01 Oct Jetstar direct
24 Sep - 14 Oct Xiamen Airlines
24 Sep - 21 Oct Xiamen Airlines
22 Sep - 19 Oct Xiamen Airlines
22 Sep - 03 Oct Jetstar direct
06 Sep - 01 Oct Jetstar direct
24 Sep - 01 Oct Jetstar direct
01 Sep - 31 Oct China Southern
24 Sep - 02 Oct Xiamen Airlines
13 Sep - 14 Oct Scoot Tigerair

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

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.

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