Cheap Flights from Kathmandu to Colombo

Cheapest flights from Kathmandu to Colombo

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 Kathmandu to Colombo. 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

$176

Srilankan Airlines

Direct flight

3h 35m

09/16/2026

The cheapest one-way flight from Kathmandu to Colombo departs on 09/16/2026, is operated by Srilankan Airlines and costs $176

Cheapest round trip flight

—

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

The fastest flight

3h 35m

Fastest flight from Kathmandu to Colombo takes 3h 35m

Direct flights

Several times a week

There are direct flights on this route 4 days a week: Su, Mo, We, and Th

Earliest flight

1:15 PM

Latest flight

1:40 PM

Average flight duration

6h 10m

Direct flights count

5

Distance

2381km

Timezone difference

15m

The distance between Kathmandu and Colombo is 2381km (1476 miles). The average flight duration is 6h 10m. There are 5 direct flights from Kathmandu to Colombo. The time difference between Kathmandu and Colombo is 15m. Flights from Kathmandu begin at 1:15 PM. The latest flight from Kathmandu departs at 1:40 PM

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

Airfare from Kathmandu to Colombo by month

The minimum one-way ticket price from Kathmandu to Colombo is $176 (September 2026), while the maximum is $312 (October 2026). On average, a ticket costs $226–$239.

September 2026

Lowest price

on average:

$176

October 2026

Highest price

on average:

$312

Avg Price

Price dynamics

Good news for anyone planning a flight from Kathmandu to Colombo: prices are steadily declining. From June 2026 to December 2026, tickets dropped by 22%, and the trend continues.

Cheaper and more expensive periods

The most notable drop occurred from June 2026 to September 2026 — down 29%. The best period is November 2026–December 2026 (averaging $190), while the most expensive is October 2026–November 2026 ($251).

Best time to buy

Since prices are falling, there's no rush to buy. The most cost-effective travel period is November 2026–December 2026: savings compared to expensive months can reach up to 24%.

Price predictability

Monthly price variation is 20.6%. Choosing the right departure date can lead to significant savings on this route.

Airlines operating on route

The Kathmandu — Colombo route is served by a wide range of airlines: 4 in total, including Srilankan Airlines, Air India, IndiGo, and Royal Nepal Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $176. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.

starting at $176

starting at $190

starting at $239

starting at $290

Non-stop flights from Kathmandu to Colombo

A non-stop flight is the most convenient and comfortable way to fly from Kathmandu to Colombo, despite the fact that sometimes flights with transfers can cost significantly less.

Kathmandu — Colombo

KTM — CMB

11/19/2026

Departure

Direct flight

UL182

starting at $520

Kathmandu — Colombo

KTM — CMB

06/11/2026

Departure

Direct flight

UL182

starting at $818

Kathmandu — Colombo

KTM — CMB

06/14/2026

Departure

Direct flight

UL182

starting at $556

Kathmandu — Colombo

KTM — CMB

06/17/2026

Departure

Direct flight

UL182

starting at $538

Kathmandu — Colombo

KTM — CMB

06/18/2026

Departure

Direct flight

UL182

starting at $492

Kathmandu — Colombo

KTM — CMB

06/21/2026

Departure

Direct flight

UL182

starting at $386

Kathmandu — Colombo

KTM — CMB

06/22/2026

Departure

Direct flight

UL182

starting at $386

Kathmandu — Colombo

KTM — CMB

09/16/2026

Departure

Direct flight

UL182

starting at $359

Kathmandu — Colombo

KTM — CMB

09/27/2026

Departure

Direct flight

UL182

starting at $388

Kathmandu — Colombo

KTM — CMB

09/30/2026

Departure

Direct flight

UL182

starting at $356

Schedule of direct flights from Kathmandu to Colombo

The only airline operating direct flights from Kathmandu to Colombo is Srilankan Airlines. Flights operate on Sunday, Monday, Wednesday, and Thursday.

Srilankan Airlines

Su, Mo, We, and Th

starting at $191

Kathmandu airports overview

Tribhuvan International Airport

•

KTM

•

Colombo airports overview

Bandaranaike International Airport

•

CMB

28km

•

Frequently asked questions (FAQ)

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

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

The cheapest flight ticket from Kathmandu to Colombo according to data for the last 48 hours costs $176

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

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

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

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

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

The fastest flights from Kathmandu to Colombo start from 3 hours 35 minutes in the air.

Which airline can fly direct from Kathmandu to Colombo?

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

Special offers and sales on air tickets from Kathmandu to Colombo

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.

Kathmandu — Colombo

giugno 18

IndiGo

$310

Alternative routes

•••••••••••••••••••

Cheapest one way flight

$176

Srilankan Airlines

Direct flight

3h 35m

09/16/2026

The cheapest one-way flight from Kathmandu to Colombo departs on 09/16/2026, is operated by Srilankan Airlines and costs $176

Cheapest round trip flight

—

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

The fastest flight