All scheduled flights from Colombo to Kathmandu (CMB-KTM)
Sri Lanka
Nepal
All scheduled flights from CMB to KTM. You can fly from Colombo to Kathmandu non-stop on Mondays, Tuesdays, Thursdays & Sundays and the flight takes about 3 hours and 45 minutes. Flights with stops take between 6 to 9 hours depending on your flight and connection airport.