AirHint found the following cheapest one-way flights from Bangkok (BKK) to Thimphu (PBH) in September 2025 (see full year).

One-Way flights

10 Sep	Thai AirAsia
22 Sep	Thai Lion Air
11 Sep	Thai Lion Air
04 Sep	Thai Lion Air
29 Sep	Thai Lion Air
28 Sep	Thai AirAsia
27 Sep	Thai AirAsia
26 Sep	IndiGo
11 Sep	Hahn Air Technologies	direct
22 Sep	Druk Air	direct

Also check the deals for return flights from Bangkok to Thimphu 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 one-way flights from Bangkok to Thimphu in September from 256€

One-Way flights