Cheap Flights from Colombo to Kathmandu

Cheapest flights from Colombo to Kathmandu

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.

Cheapest one way flight

$244

Air India

1 layover

11h 15m

08/30/2026

The cheapest one-way flight from Colombo to Kathmandu departs on 08/30/2026, is operated by Air India and costs $244

Cheapest round trip flight

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There is no information about the cheapest roundtrip flight from Colombo to Kathmandu

The fastest flight

3h 40m

Fastest flight from Colombo to Kathmandu takes 3h 40m

Direct flights

Several times a week

There are direct flights on this route 3 days a week: Su, Mo, and Th

Earliest flight

8:20 AM

Latest flight

8:20 AM

Direct flights count

4

Distance

2382km

Timezone difference

15m

The distance between Colombo and Kathmandu is 2382km (1477 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

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Colombo to Kathmandu by month

The cost of a one-way flight from Colombo to Kathmandu ranges from $211 (July 2026) to $299 (October 2026). On average, the ticket price is about $255–$267.

July 2026

Lowest price

on average:

$211

October 2026

Highest price

on average:

$299

Avg Price

Price dynamics

Prices on the Colombo — Kathmandu route are consistently going up. From July 2026 to January 2027, tickets went from $211 to $275 — a 30% increase. This trend is worth considering when planning your trip.

Cheaper and more expensive periods

The most significant price increase was from July 2026 to October 2026 — up 42%. The best time to fly is July 2026–August 2026, when the average price is $219. In September 2026–October 2026, tickets cost around $283.

Best time to buy

Given the rising prices, it's best not to delay your purchase. Flying in July 2026–August 2026 can save you up to 23% compared to the most expensive months.

Price predictability

Price variation across months on this route is 11.6%. Your choice of departure month significantly affects the total flight cost.

Airlines operating on route

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 $244, 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.

Srilankan Airlines

starting at $288

Air India

starting at $244

IndiGo

starting at $260

Non-stop flights from Colombo to Kathmandu

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.

Colombo — Kathmandu

CMB — KTM

08/16/2026

Departure

Direct flight

UL181

starting at $298

Colombo — Kathmandu

CMB — KTM

08/31/2026

Departure

Direct flight

UL0181

starting at $288

Colombo — Kathmandu

CMB — KTM

01/31/2027

Departure

Direct flight

UL181

starting at $336

Colombo — Kathmandu

CMB — KTM

04/01/2027

Departure

Direct flight

UL181

starting at $333

Schedule of direct flights from Colombo to Kathmandu

There are most likely no direct flights on the Colombo — Kathmandu route

Colombo airports overview

Bandaranaike International Airport

•

CMB

28km

•

Kathmandu airports overview

Tribhuvan International Airport

•

KTM

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Colombo to Kathmandu?

The cheapest flight ticket from Colombo to Kathmandu according to data for the last 48 hours costs $244

When is the best time to buy air tickets on the route Colombo — Kathmandu?

Often the best time to buy tickets from Colombo to Kathmandu is 2 months before departure.

When is the cheapest time of year to fly from Colombo to Kathmandu?

Based on statistics over the past years, the lowest prices for flights from Colombo to Kathmandu can be found flying in these months: July, August, December.

How long does it take to fly from Colombo to Kathmandu?

The fastest flights from Colombo to Kathmandu start from 3 hours 40 minutes in the air.

Which airline can fly direct from Colombo to Kathmandu?

The following airlines operate direct flights on the route Colombo — Kathmandu: Srilankan Airlines

Special offers and sales on air tickets from Colombo to Kathmandu

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.

We couldn't find any special offers for flights from Colombo to Kathmandu

Alternative routes

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Cheapest one way flight

$244

Air India

1 layover

11h 15m

08/30/2026

The cheapest one-way flight from Colombo to Kathmandu departs on 08/30/2026, is operated by Air India and costs $244

Cheapest round trip flight

—

There is no information about the cheapest roundtrip flight from Colombo to Kathmandu

The fastest flight