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

$179

Srilankan Airlines

Direct flight

3h 35m

03/01/2027

The cheapest one-way flight from Kathmandu to Colombo departs on 03/01/2027, is operated by Srilankan Airlines and costs $179

Cheapest round trip flight

$468

Air India

1 layover

1d 4h 35m

10/21/2026

The cheapest roundtrip flight from Kathmandu to Colombo departs on 10/21/2026, is operated by Air India and costs $468

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

1:15 PM

Average flight duration

7h 15m

Direct flights count

4

Distance

2382km

Timezone difference

15m

The distance between Kathmandu and Colombo is 2382km (1477 miles). The average flight duration is 7h 15m. There are 4 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 1:15 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 $208 (October 2026), while the maximum is $276 (September 2026). On average, a ticket costs $248–$528.

October 2026

Lowest price

on average:

$208

September 2026

Highest price

on average:

$276

Avg Price

Price dynamics

Prices on the Kathmandu — Colombo route are unpredictable: costs change from month to month with no clear pattern. Still, even here some periods are more affordable than others.

Cheaper and more expensive periods

Despite the fluctuations, patterns exist: the cheapest period is October 2026–November 2026 — averaging $236. The most expensive is November 2026–December 2026 ($246). The difference reaches 4%.

Best time to buy

With this kind of price behavior, it's worth comparing prices across several months and booking when a good deal appears. A good benchmark is October 2026–November 2026, where you can save up to 4%.

Price predictability

Price spread on this route is 10.4%. Costs vary significantly, so your choice of month can noticeably affect your travel budget.

Airlines operating on route

The Kathmandu — Colombo route is served by a wide range of airlines: 6 in total, including Srilankan Airlines, Air India, IndiGo, Jazeera Airways, Kuwait Airways, and Royal Nepal Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $179. 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 $179

starting at $204

starting at $247

starting at $268

starting at $299

starting at $432

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

11/04/2026

Departure

Direct flight

UL182

starting at $570

Kathmandu — Colombo

KTM — CMB

12/28/2026

Departure

Direct flight

UL182

starting at $411

Kathmandu — Colombo

KTM — CMB

01/06/2027

Departure

Direct flight

UL182

starting at $426

Kathmandu — Colombo

KTM — CMB

09/30/2026

Departure

Direct flight

UL182

starting at $396

Kathmandu — Colombo

KTM — CMB

11/02/2026

Departure

Direct flight

UL182

starting at $514

Kathmandu — Colombo

KTM — CMB

03/15/2027

Departure

Direct flight

UL182

starting at $404

Kathmandu — Colombo

KTM — CMB

09/27/2026

Departure

Direct flight

UL182

starting at $494

Kathmandu — Colombo

KTM — CMB

10/01/2026

Departure

Direct flight

UL182

starting at $416

Kathmandu — Colombo

KTM — CMB

10/07/2026

Departure

Direct flight

UL182

starting at $396

Kathmandu — Colombo

KTM — CMB

10/18/2026

Departure

Direct flight

UL182

starting at $487

Schedule of direct flights from Kathmandu to Colombo

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

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 $179

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: October, December, January.

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

ottobre 17

Air India

$213

Alternative routes

•••••••••••••••••••

Cheapest one way flight

$179

Srilankan Airlines

Direct flight

3h 35m

03/01/2027

The cheapest one-way flight from Kathmandu to Colombo departs on 03/01/2027, is operated by Srilankan Airlines and costs $179

Cheapest round trip flight

$468

Air India

1 layover

1d 4h 35m

10/21/2026

The cheapest roundtrip flight from Kathmandu to Colombo departs on 10/21/2026, is operated by Air India and costs $468

The fastest flight