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

Return flights

23 Sep - 29 Sep	Batik Air Malaysia
26 Sep - 11 Oct	AirAsia
30 Sep - 21 Oct	AirAsia
24 Sep - 29 Sep	AirAsia
30 Sep - 19 Oct	AirAsia
30 Sep - 14 Oct	AirAsia
30 Sep - 15 Oct	AirAsia
30 Sep - 16 Oct	AirAsia
30 Sep - 13 Oct	AirAsia
30 Sep - 18 Oct	AirAsia
30 Sep - 11 Oct	AirAsia
30 Sep - 09 Oct	AirAsia
21 Sep - 28 Sep	AirAsia
27 Sep - 29 Sep	AirAsia
25 Sep - 29 Sep	AirAsia
22 Sep - 29 Sep	AirAsia
24 Sep - 28 Sep	AirAsia
27 Sep - 30 Sep	AirAsia
25 Sep - 28 Sep	AirAsia
22 Sep - 23 Sep	AirAsia

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

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Cheapest return flights from Kuching to Seoul in September from 191€

Return flights