Cheapest return flights from Bangkok to Kathmandu in December from $295

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

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

Return flights

03 Dec - 10 Dec Thai AirAsia direct
15 Dec - 04 Jan Thai AirAsia direct
07 Dec - 10 Dec Thai AirAsia direct
03 Dec - 07 Dec Thai AirAsia direct
28 Dec - 04 Jan Thai AirAsia direct
28 Dec - 12 Jan Thai AirAsia direct
08 Dec - 10 Dec Thai AirAsia direct
29 Dec - 04 Jan Thai AirAsia direct
05 Dec - 10 Dec Thai AirAsia direct
29 Dec - 12 Jan Thai AirAsia direct
22 Dec - 04 Jan Thai AirAsia direct
26 Dec - 04 Jan Thai AirAsia direct
05 Dec - 07 Dec Thai AirAsia direct
26 Dec - 12 Jan Thai AirAsia direct
28 Dec - 14 Jan Thai AirAsia direct
03 Dec - 05 Dec Thai AirAsia direct
29 Dec - 14 Jan Thai AirAsia direct
07 Dec - 08 Dec Thai AirAsia direct
03 Dec - 08 Dec Thai AirAsia direct
14 Dec - 22 Dec Thai AirAsia direct

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

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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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