July is by far the best month, wherein you can get cheapest flights for Kathmandu to Colombo. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.
KTM
13:15
Kathmandu
Tribhuvan International Airport
Sun , 03 Aug 2025
CMB
16:40
Colombo
Bandaranaike International Colombo Airport
Sun, 03 Aug 2025
KTM
13:15
Kathmandu
Tribhuvan International Airport
Mon , 11 Aug 2025
CMB
16:40
Colombo
Bandaranaike International Colombo Airport
Mon, 11 Aug 2025
KTM
07:35
Kathmandu
Tribhuvan International Airport
Fri , 25 Jul 2025
CMB
16:05
Colombo
Bandaranaike International Colombo Airport
Fri, 25 Jul 2025
KTM
21:00
Kathmandu
Tribhuvan International Airport
Sat , 26 Jul 2025
CMB
07:20
Colombo
Bandaranaike International Colombo Airport
Sun, 27 Jul 2025
KTM
07:35
Kathmandu
Tribhuvan International Airport
Sat , 26 Jul 2025
CMB
16:05
Colombo
Bandaranaike International Colombo Airport
Sat, 26 Jul 2025
KTM
23:00
Kathmandu
Tribhuvan International Airport
Mon , 28 Jul 2025
CMB
23:35
Colombo
Bandaranaike International Colombo Airport
Tue, 29 Jul 2025
KTM
13:30
Kathmandu
Tribhuvan International Airport
Mon , 28 Jul 2025
CMB
23:55
Colombo
Bandaranaike International Colombo Airport
Mon, 28 Jul 2025
KTM
13:30
Kathmandu
Tribhuvan International Airport
Sat , 26 Jul 2025
CMB
23:55
Colombo
Bandaranaike International Colombo Airport
Sat, 26 Jul 2025
KTM
13:30
Kathmandu
Tribhuvan International Airport
Fri , 25 Jul 2025
CMB
23:55
Colombo
Bandaranaike International Colombo Airport
Fri, 25 Jul 2025
KTM
10:05
Kathmandu
Tribhuvan International Airport
Sat , 26 Jul 2025
CMB
02:05
Colombo
Bandaranaike International Colombo Airport
Sun, 27 Jul 2025
KTM
09:00
Kathmandu
Tribhuvan International Airport
Fri , 25 Jul 2025
CMB
01:05
Colombo
Bandaranaike International Colombo Airport
Sat, 26 Jul 2025
Flying from Kathmandu to Colombo has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Kathmandu to Colombo is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Tribhuvan International Airport (KTM) and Bandaranaike International Colombo Airport (CMB). You can expect a flight distance of approximately 2353 km, and most direct services cover it in around 15:35.
Let’s take a closer look at everything you need to know before booking your flight from Kathmandu to Colombo.
Flight Details | Information |
---|---|
Route Distance | 2353 km |
Average Flight Time | 15:35 hrs |
Departure Airport | Tribhuvan International Airport (KTM) |
Arrival Airport | Bandaranaike International Colombo Airport (CMB) |
Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
Direct Flights | YES |
Common Airlines | SriLankan Airlines, Air India, Singapore Airlines, Thai Airways |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.