Cheapest return flights from Colombo to Kathmandu in December from 324€

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

Return flights

01 Dec - 04 Dec Air India
05 Dec - 10 Dec Air India
03 Dec - 08 Dec IndiGo
08 Dec - 10 Dec IndiGo
24 Dec - 29 Dec SriLankan Airlines direct
21 Dec - 28 Dec SriLankan Airlines direct
31 Dec - 05 Jan SriLankan Airlines direct
17 Dec - 22 Dec SriLankan Airlines direct
19 Dec - 24 Dec Air India
08 Dec - 15 Dec IndiGo
02 Dec - 05 Dec IndiGo

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.