AirHint found the following cheapest return flights from Kathmandu (KTM) to Colombo (CMB) in January 2026 (see full year).
Return flights
| 04 Jan - 08 Jan | SriLankan Airlines | direct | |
| 01 Jan - 08 Jan | SriLankan Airlines | direct | |
| 03 Jan - 07 Jan | Thai Airways | ||
| 02 Jan - 09 Jan | Qatar Airways | ||
| 05 Jan - 12 Jan | flydubai |
Also check the deals for one-way flights from Kathmandu to Colombo in January.
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.
Find us on social media