Cheapest return flights from Bangkok to Kathmandu in December from $256

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

Return flights

19 Dec - 26 Dec Thai AirAsia direct
21 Dec - 02 Jan Thai AirAsia direct
17 Dec - 28 Dec Thai AirAsia direct
26 Dec - 02 Jan Thai AirAsia direct
26 Dec - 28 Dec Thai AirAsia direct
28 Dec - 02 Jan Thai AirAsia direct
31 Dec - 14 Jan Thai AirAsia direct
24 Dec - 05 Jan Thai AirAsia direct
24 Dec - 04 Jan Thai AirAsia direct
21 Dec - 04 Jan Thai AirAsia direct
24 Dec - 28 Dec Thai AirAsia direct
21 Dec - 26 Dec Thai AirAsia direct
22 Dec - 05 Jan Thai AirAsia direct
17 Dec - 08 Jan Thai AirAsia
25 Dec - 29 Dec Thai AirAsia X
30 Dec - 02 Jan Thai AirAsia X
16 Dec - 28 Dec Thai Lion Air
25 Dec - 30 Dec Batik Air Malaysia
18 Dec - 20 Dec Thai AirAsia X
16 Dec - 22 Dec Thai Lion Air

Also check the deals for one-way flights from Bangkok to Kathmandu in December.

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