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

Return flights

02 Sep - 06 Sep	China Eastern
03 Sep - 11 Sep	Jeju Air
05 Sep - 07 Sep	Air China
24 Sep - 27 Sep	Air China
03 Sep - 06 Sep	Air China
03 Sep - 24 Sep	Air China
01 Sep - 05 Sep	Air China
24 Sep - 28 Sep	Air China
08 Sep - 11 Sep	Air China
08 Sep - 15 Sep	Air China
10 Sep - 03 Oct	Air China
22 Sep - 06 Oct	Air Busan
29 Sep - 06 Oct	Air Busan
26 Sep - 03 Oct	Air China
10 Sep - 10 Oct	Air China
26 Sep - 01 Oct	Air China
26 Sep - 09 Oct	Air China
15 Sep - 13 Oct	Air China
09 Sep - 02 Oct	EVA Air
20 Sep - 02 Oct	EVA Air

Also check the deals for one-way flights from Seoul 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.

Book a cheap hotel in Kuala Lumpur

Cheap car rent in Kuala Lumpur

Cheapest return flights from Seoul to Kuala Lumpur in September from 250€

Return flights