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

Return flights

20 Sep - 27 Sep	Scoot
20 Sep - 24 Sep	Scoot
22 Sep - 26 Sep	Scoot
27 Sep - 29 Sep	Scoot
27 Sep - 02 Oct	Scoot
06 Sep - 10 Sep	AirAsia
06 Sep - 09 Sep	AirAsia
06 Sep - 11 Sep	AirAsia
20 Sep - 22 Sep	Scoot
22 Sep - 28 Sep	Scoot
06 Sep - 23 Sep	AirAsia
27 Sep - 15 Oct	AirAsia
23 Sep - 14 Oct	AirAsia
27 Sep - 14 Oct	AirAsia
22 Sep - 10 Oct	AirAsia
21 Sep - 10 Oct	AirAsia
23 Sep - 10 Oct	AirAsia
20 Sep - 10 Oct	AirAsia
27 Sep - 10 Oct	AirAsia

Also check the deals for one-way flights from Kuching to Bangkok 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 Kuching to Bangkok in September from $128

Return flights