Cheapest return flights from Bangkok to Kathmandu in December from $222

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

Return flights

03 Dec - 08 Dec Thai Lion Air direct
07 Dec - 14 Dec Thai Lion Air direct
26 Dec - 29 Dec Thai AirAsia direct
17 Dec - 24 Dec Thai Lion Air direct
15 Dec - 22 Dec Thai Lion Air direct
29 Dec - 02 Jan Thai Lion Air direct
01 Dec - 08 Dec Thai Lion Air direct
21 Dec - 24 Dec Thai AirAsia direct
08 Dec - 10 Dec Thai AirAsia direct
31 Dec - 04 Jan Thai AirAsia direct
26 Dec - 05 Jan Thai AirAsia direct
28 Dec - 31 Dec Thai AirAsia direct
26 Dec - 02 Jan Thai AirAsia direct
03 Dec - 16 Dec Thai Lion Air
11 Dec - 07 Jan Thai AirAsia X
25 Dec - 30 Jan Thai AirAsia X
30 Dec - 04 Jan Thai AirAsia X

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

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