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

Return flights

09 Sep - 16 Sep	VietJet Air
09 Sep - 18 Sep	VietJet Air
08 Sep - 15 Sep	Jetstar
12 Sep - 16 Sep	VietJet Air
09 Sep - 15 Sep	VietJet Air
08 Sep - 16 Sep	VietJet Air
18 Sep - 27 Sep	VietJet Air
19 Sep - 23 Sep	VietJet Air
09 Sep - 12 Sep	VietJet Air
23 Sep - 30 Sep	VietJet Air
16 Sep - 02 Oct	Jetstar	direct
18 Sep - 23 Oct	Jetstar
24 Sep - 01 Oct	VietJet Air
16 Sep - 16 Oct	Jetstar	direct
25 Sep - 13 Oct	Eastar Jet
29 Sep - 06 Oct	Philippine Airlines
29 Sep - 13 Oct	Philippine Airlines
30 Sep - 13 Oct	Cebu Pacific
26 Sep - 03 Oct	Philippines AirAsia Inc.
30 Sep - 05 Oct	T'way Air

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

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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Cheapest return flights from Seoul to Brisbane in September from $498

Return flights