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

Return flights

07 Sep - 13 Sep	Hainan Airlines
02 Sep - 08 Sep	Scoot Tigerair
05 Sep - 24 Sep	Royal Brunei
02 Sep - 03 Sep	Royal Brunei
09 Sep - 24 Sep	Royal Brunei
06 Sep - 17 Sep	Scoot Tigerair
02 Sep - 09 Sep	Scoot Tigerair
03 Sep - 13 Sep	Scoot Tigerair
09 Sep - 15 Sep	Scoot Tigerair
08 Sep - 16 Sep	Scoot Tigerair
29 Sep - 22 Oct	VietJet Air
26 Sep - 10 Oct	Xiamen Airlines
24 Sep - 10 Oct	Xiamen Airlines
27 Sep - 18 Oct	Scoot Tigerair
29 Sep - 20 Oct	VietJet Air
30 Sep - 09 Oct	Xiamen Airlines
29 Sep - 17 Oct	VietJet Air
29 Sep - 10 Oct	Xiamen Airlines
12 Sep - 18 Oct	Jetstar
16 Sep - 18 Oct	Jetstar

Also check the deals for one-way flights from Melbourne to Seoul 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 Melbourne to Seoul in September from $440

Return flights