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

Return flights

30 Sep - 18 Oct	VietJet Air
27 Sep - 11 Oct	AirAsia X
30 Sep - 27 Oct	VietJet Air
29 Sep - 30 Oct	Scoot
30 Sep - 12 Oct	VietJet Air
30 Sep - 08 Oct	VietJet Air
23 Sep - 22 Oct	Royal Brunei
23 Sep - 15 Oct	Royal Brunei
30 Sep - 10 Oct	VietJet Air
26 Sep - 13 Oct	China Southern
22 Sep - 27 Sep	Jetstar
21 Sep - 27 Sep	Batik Air Malaysia
26 Sep - 30 Sep	VietJet Air
25 Sep - 27 Sep	VietJet Air
20 Sep - 22 Sep	Jetstar
23 Sep - 25 Sep	Philippine Airlines
24 Sep - 25 Sep	AirAsia X
24 Sep - 28 Sep	Jetstar
25 Sep - 28 Sep	VietJet Air
23 Sep - 26 Sep	VietJet Air

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 $592

Return flights