AirHint found the following cheapest one-way flights from Colombo (CMB) to Kathmandu (KTM) in December 2025 (see full year).
One-Way flights
| 03 Dec | IndiGo | ||
| 02 Dec | IndiGo | ||
| 11 Dec | IndiGo | ||
| 01 Dec | IndiGo | ||
| 17 Dec | IndiGo | ||
| 08 Dec | Air India | ||
| 07 Dec | Air India | ||
| 18 Dec | IndiGo | ||
| 13 Dec | IndiGo | ||
| 16 Dec | IndiGo |
Also check the deals for return flights from Colombo 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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