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

Return flights

20 Sep - 23 Sep	Scoot Tigerair
20 Sep - 28 Sep	Scoot Tigerair
18 Sep - 22 Sep	Scoot Tigerair
30 Sep - 02 Oct	AirAsia
30 Sep - 09 Oct	AirAsia
30 Sep - 08 Oct	AirAsia
21 Sep - 02 Oct	AirAsia
21 Sep - 09 Oct	AirAsia
21 Sep - 08 Oct	AirAsia
30 Sep - 04 Oct	AirAsia
18 Sep - 21 Sep	Scoot Tigerair
20 Sep - 02 Oct	AirAsia
20 Sep - 09 Oct	AirAsia
20 Sep - 08 Oct	AirAsia
11 Sep - 14 Sep	Scoot Tigerair
15 Sep - 20 Sep	Scoot Tigerair
07 Sep - 23 Sep	AirAsia
07 Sep - 14 Sep	AirAsia
07 Sep - 28 Sep	AirAsia
21 Sep - 23 Sep	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 120€

Return flights