Cheapest one-way flights from Colombo to Kathmandu in December from $207

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

One-Way flights

24 Dec Air India
28 Dec Air India
07 Dec Air India
25 Dec Air India
28 Dec SriLankan Airlines direct
24 Dec SriLankan Airlines direct
25 Dec SriLankan Airlines direct
11 Dec flydubai
14 Dec flydubai
19 Dec flydubai

Also check the deals for return flights from Colombo to Kathmandu in December.

Skyscanner

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.