Cheapest one-way flights from Kathmandu to Bangkok in December from $137

Best time to book flights for Kathmandu (KTM) to Bangkok (DMK) flights at AirHint

AirHint found the following cheapest one-way flights from Kathmandu (KTM) to Bangkok (DMK) in December 2025 (see full year).

One-Way flights

10 Dec Thai AirAsia direct
07 Dec Thai AirAsia direct
05 Dec Thai AirAsia direct
19 Dec Thai AirAsia direct
14 Dec Thai AirAsia direct
02 Dec Thai Lion Air direct
22 Dec Thai AirAsia direct
23 Dec Thai Lion Air direct
31 Dec Thai AirAsia direct
24 Dec Thai AirAsia direct

Also check the deals for return flights from Kathmandu to Bangkok in December.

Skyscanner

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 Bangkok

Cheap car rent in Bangkok