There are most likely no direct flights on the Colombo — Kathmandu route
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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.
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Answers to questions about the route that travelers are most interested in.
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There are most likely no direct flights on the Colombo — Kathmandu route
Colombo — Kathmandu
07/01/2026
Departure
Direct flight
UL181
starting at $312
Colombo — Kathmandu
08/10/2026
Departure
Direct flight
UL181
starting at $340
Colombo — Kathmandu
08/13/2026
Departure
Direct flight
UL181
starting at $296
Colombo — Kathmandu
08/16/2026
Departure
Direct flight
UL181
starting at $339
Colombo — Kathmandu
11/22/2026
Departure
Direct flight
UL181
starting at $319
Colombo — Kathmandu
03/25/2027
Departure
Direct flight
UL181
starting at $313
Colombo — Kathmandu
06/07/2026
Departure
Direct flight
UL181
starting at $325
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 $219, 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 one-way flight from Colombo to Kathmandu departs on 11/22/2026, is operated by Air India and costs $219
The cheapest roundtrip flight from Colombo to Kathmandu departs on 08/20/2026, is operated by IndiGo and costs $483
Fastest flight from Colombo to Kathmandu takes 7h 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). The average flight duration is 8h 25m. There are 3 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 8:45 AM
The cheapest flight ticket from Colombo to Kathmandu according to data for the last 48 hours costs $219
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, June, August.
The fastest flights from Colombo to Kathmandu start from 7 hours 55 minutes in the air.
The following airlines operate direct flights on the route Colombo — Kathmandu: Srilankan Airlines
The cost of a one-way flight from Colombo to Kathmandu ranges from $219 (November 2026) to $287 (March 2027). On average, the ticket price is about $240–$468.
Ticket prices for Colombo — Kathmandu follow a predictable curve: rise, peak, and decline. This typical seasonal pattern lets you plan your purchase to avoid overpaying.
Prices rise from June 2026 to July 2026 (+5%), then decline from July 2026 to November 2026 (9%). The cheapest tickets are in August 2026–November 2026 (averaging $224), while the priciest are in November 2026–March 2027 ($253).
For savings, plan your flight for August 2026–November 2026 — you could save up to 12%. Try to avoid November 2026–March 2027 when possible: prices are at their highest then.
Price spread on this route is 10.1%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.
