Srilankan Airlines
Su, Mo, We, and Th
starting at $279
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Colombo to Kathmandu. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
The cost of a one-way flight from Colombo to Kathmandu ranges from $216 (November 2026) to $283 (March 2027). On average, the ticket price is about $243–$497.
A non-stop flight is the most convenient and comfortable way to fly from Colombo to Kathmandu, despite the fact that sometimes flights with transfers can cost significantly less.
The only airline operating direct flights from Colombo to Kathmandu is Srilankan Airlines. Flights operate on Sunday, Monday, Wednesday, and Thursday.
•
•
•
•
•
•
Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Tickets from Colombo to Kathmandu cost roughly the same any month. This is convenient: you can plan your trip based on your schedule rather than prices.
There is a slight difference: it's a bit cheaper in July 2026–August 2026 (averaging $229) and slightly more in December 2026–March 2027 ($272). But overall, the difference is small.
On this route, you don't need to target specific months — prices are stable. The difference between the cheapest and most expensive period is only 16%. Book whenever it's convenient.
Monthly price variation is just 9.6%. Ticket costs on this route are among the most predictable.
Srilankan Airlines
Su, Mo, We, and Th
starting at $279
Colombo — Kathmandu
07/01/2026
Departure
Direct flight
UL181
starting at $307
Colombo — Kathmandu
11/22/2026
Departure
Direct flight
UL181
starting at $315
Colombo — Kathmandu
03/25/2027
Departure
Direct flight
UL181
starting at $309
Colombo — Kathmandu
08/10/2026
Departure
Direct flight
UL181
starting at $455
Colombo — Kathmandu
08/13/2026
Departure
Direct flight
UL181
starting at $336
Colombo — Kathmandu
08/16/2026
Departure
Direct flight
UL181
starting at $343
Colombo — Kathmandu
12/30/2026
Departure
Direct flight
UL181
starting at $325
Colombo — Kathmandu
12/31/2026
Departure
Direct flight
UL181
starting at $316
Flights from Colombo to Kathmandu are operated by several airlines — Srilankan Airlines, Air India, and IndiGo. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $216, making this destination accessible to travelers with different budgets. We help compare all available options in real time, so you can book tickets at the best value for money. The service ensures transparent search and lets you book affordable flights in just a few clicks.
The cheapest flight ticket from Colombo to Kathmandu according to data for the last 48 hours costs $216
Often the best time to buy tickets from Colombo to Kathmandu is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Colombo to Kathmandu can be found flying in these months: November, August, June.
The fastest flights from Colombo to Kathmandu start from 6 hours 55 minutes in the air.
The following airlines operate direct flights on the route Colombo — Kathmandu: Srilankan Airlines
The cheapest one-way flight from Colombo to Kathmandu departs on 11/22/2026, is operated by Air India and costs $216
There is no information about the cheapest roundtrip flight from Colombo to Kathmandu
Fastest flight from Colombo to Kathmandu takes 6h 55m
There are direct flights on this route 4 days a week: Su, Mo, We, and Th
The distance between Colombo and Kathmandu is 2381km (1476 miles). There are 4 direct flights from Colombo to Kathmandu. The time difference between Colombo and Kathmandu is 15m. Flights from Colombo begin at 8:20 AM. The latest flight from Colombo departs at 8:20 AM
