Cheapest return flights from Colombo to Kathmandu in December from 354€

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

Return flights

03 Dec - 08 Dec IndiGo
24 Dec - 29 Dec SriLankan Airlines direct
03 Dec - 10 Dec IndiGo
11 Dec - 18 Dec SriLankan Airlines direct
29 Dec - 28 Jan Air India
10 Dec - 25 Dec IndiGo
03 Dec - 08 Dec SriLankan Airlines direct
11 Dec - 17 Dec Air India
11 Dec - 15 Dec Air India
26 Dec - 25 Jan Air India
12 Dec - 16 Dec Air India
19 Dec - 30 Dec Air India
27 Dec - 01 Jan Air India
26 Dec - 02 Jan Air India
29 Dec - 28 Jan SriLankan Airlines direct

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

Powered by

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 Kathmandu

Cheap car rent in Kathmandu

Feel free to contact us with any feedback or request another flight research.