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

Return flights

30 Sep - 14 Oct	AirAsia
30 Sep - 17 Oct	AirAsia
27 Sep - 14 Oct	AirAsia
30 Sep - 10 Oct	AirAsia
30 Sep - 21 Oct	AirAsia
27 Sep - 17 Oct	AirAsia
30 Sep - 12 Oct	AirAsia
27 Sep - 10 Oct	AirAsia
27 Sep - 12 Oct	AirAsia
30 Sep - 09 Oct	AirAsia
01 Sep - 10 Sep	AirAsia
02 Sep - 10 Sep	AirAsia
01 Sep - 11 Sep	AirAsia
02 Sep - 11 Sep	AirAsia
01 Sep - 05 Sep	AirAsia
10 Sep - 11 Sep	AirAsia
02 Sep - 05 Sep	AirAsia
01 Sep - 16 Sep	AirAsia
01 Sep - 20 Sep	AirAsia
02 Sep - 16 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 $272

Return flights