AirHint found the following cheapest return flights from Seoul (GMP) to Melbourne (MEL) in September 2025 (see full year).

Return flights

09 Sep - 16 Sep	China Southern
25 Sep - 15 Oct	Air China
10 Sep - 23 Sep	Asiana Airlines
01 Sep - 07 Sep	Japan Airlines
25 Sep - 13 Oct	Japan Airlines
20 Sep - 28 Sep	Air China
02 Sep - 07 Sep	Japan Airlines
23 Sep - 29 Sep	Japan Airlines
27 Sep - 13 Oct	Japan Airlines
30 Sep - 13 Oct	Japan Airlines
26 Sep - 28 Sep	Japan Airlines
03 Sep - 08 Sep	Japan Airlines
25 Sep - 17 Oct	Japan Airlines
25 Sep - 20 Oct	Japan Airlines
09 Sep - 15 Sep	Japan Airlines
27 Sep - 08 Oct	Japan Airlines
30 Sep - 08 Oct	Japan Airlines
30 Sep - 06 Oct	Japan Airlines
26 Sep - 12 Oct	Japan Airlines
01 Sep - 06 Sep	Japan Airlines

Also check the deals for one-way flights from Seoul to Melbourne 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 Melbourne in September from $533

Return flights