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

Return flights

23 Sep - 10 Oct	AirAsia
23 Sep - 07 Oct	AirAsia
28 Sep - 10 Oct	AirAsia
28 Sep - 07 Oct	AirAsia
28 Sep - 14 Oct	AirAsia
30 Sep - 10 Oct	AirAsia
30 Sep - 07 Oct	AirAsia
30 Sep - 14 Oct	AirAsia
24 Sep - 10 Oct	AirAsia
24 Sep - 07 Oct	AirAsia
28 Sep - 29 Sep	AirAsia
23 Sep - 29 Sep	AirAsia
23 Sep - 24 Sep	AirAsia
24 Sep - 29 Sep	AirAsia
27 Sep - 29 Sep	AirAsia
27 Sep - 30 Sep	AirAsia
24 Sep - 30 Sep	AirAsia
23 Sep - 25 Sep	AirAsia
24 Sep - 25 Sep	AirAsia
22 Sep - 29 Sep	Malaysia Airlines

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 155€

Return flights