AirHint found the following cheapest return flights from Busan (PUS) to Kuala Lumpur (KUL) in September 2025 (see full year).

Return flights

25 Sep - 28 Sep	Vietnam Airlines
26 Sep - 30 Sep	Vietnam Airlines
05 Sep - 09 Sep	Vietnam Airlines
04 Sep - 11 Sep	VietJet Air
12 Sep - 18 Sep	VietJet Air
23 Sep - 29 Sep	VietJet Air
01 Sep - 05 Sep	Vietnam Airlines
03 Sep - 10 Sep	VietJet Air
11 Sep - 23 Sep	VietJet Air
01 Sep - 16 Sep	VietJet Air
11 Sep - 13 Oct	Vietnam Airlines
28 Sep - 05 Oct	VietJet Air
28 Sep - 06 Oct	VietJet Air
30 Sep - 10 Oct	VietJet Air
27 Sep - 07 Oct	VietJet Air
30 Sep - 07 Oct	VietJet Air

Also check the deals for one-way flights from Busan to Kuala Lumpur 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 Busan to Kuala Lumpur in September from 146€

Return flights