HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colombo

Cheap flights from Kathmandu (KTM) to Bandaranaike Intl (CMB)

KTM — CMB
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Kathmandu to Colombo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Find flight deals from Kathmandu to Colombo

Discover tips and strategies to find the most affordable flight options for your journey from Kathmandu (KTM) to Colombo (CMB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 4, 2025.

Most accurate provider

OneTravel
3 stars

Most trusted provider

OneTravel
3 stars

Popular in

November

Cheapest in

March

Average price

$538

Good round-trip deal

$462 or less

Good one-way deal

$230 or less
Provider with most accurate pricing for Kathmandu Tribhuvan-Colombo Bandaranaike Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kathmandu Tribhuvan-Colombo Bandaranaike Intl flights.
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($110 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Kathmandu Tribhuvan to Colombo Bandaranaike Intl.
Search Deals
Price to beat on a one-way flight from Kathmandu Tribhuvan to Colombo Bandaranaike Intl.
Search Deals

Compare providers for flights from Kathmandu to Colombo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kathmandu to Colombo in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kathmandu-Colombo Bandaranaike Intl Airport flights, users find the pricing of OneTravel to be most consistent on Cheapflights vs. OneTravel Users can find the same prices on Kathmandu-Colombo Bandaranaike Intl Airport flight deals on Cheapflights vs. OneTravel >95% of the time. Price accuracy is based on data collected from Kathmandu-Colombo Bandaranaike Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kathmandu-Colombo Bandaranaike Intl Airport flights, Cheapflights users trust OneTravel the most. OneTravel has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kathmandu-Colombo Bandaranaike Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kathmandu to Colombo

Have a flexible travel schedule? Discover the best time to fly to Colombo from Kathmandu with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kathmandu to Colombo Bandaranaike Intl Airport

What is the cheapest month to book a flight from Kathmandu to Colombo Bandaranaike Intl Airport?

Currently, July is the cheapest month in which you can book a flight from Kathmandu to Colombo Bandaranaike Intl Airport (average of $137). Flying from Kathmandu to Colombo Bandaranaike Intl Airport in November is currently the most expensive (average of $498). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KTM to CMB?

Find hourly flight availability from Kathmandu to Colombo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 22% on flights from Kathmandu to Colombo Bandaranaike Intl Airport by exploring options for tickets in the afternoon.

Reviews of airlines servicing Colombo

Get insights into the airlines that provide service to Colombo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colombo. Reviews last updated December 4, 2025.
See what other customers who have flown with SriLankan Airlines and Air India from Kathmandu to Colombo Bandaranaike Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
SriLankan Airlines
6.9
Okay
76 reviews

Boarding

6.7

Food

7.0

Entertainment

6.3

Crew

7.5

Comfort

6.8

Overall

6.9

Reviews

1 / 1
8.0
Excellent

Anonymous,Jan 2024

CMB - SYD

It was ok. Not an excellent service for the cost paid
SriLankan Airlines
6.9
Okay
76 reviews
SriLankan Airlines
6.9
Okay
76 reviews

Boarding

6.7

Food

7.0

Entertainment

6.3

Crew

7.5

Comfort

6.8

Overall

6.9

Reviews

1 / 1
8.0
Excellent

Anonymous,Jan 2024

CMB - SYD

It was ok. Not an excellent service for the cost paid
Air India
5.5
Fair
2,950 reviews
SriLankan Airlines
6.9
Okay
76 reviews

Boarding

6.7

Food

7.0

Entertainment

6.3

Crew

7.5

Comfort

6.8

Overall

6.9

Reviews

1 / 1
8.0
Excellent

Anonymous,Jan 2024

CMB - SYD

It was ok. Not an excellent service for the cost paid

Related info for your journey

Find useful and relevant information for your journey from Kathmandu to Colombo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Kathmandu to Colombo Bandaranaike Intl?

    If you book a flight to Colombo Bandaranaike Intl from Kathmandu, you will be flying from Tribhuvan, which is the city’s only airport. Kathmandu Tribhuvan (KTM) is located 2.5 mi from the center of Kathmandu. There are 0 flights from Tribhuvan to Colombo Bandaranaike Intl per day from 2 different airlines.

  • What are the cheapest airlines flying from Kathmandu to Colombo Bandaranaike Intl Airport round-trip?

    Flying on SriLankan Airlines is currently your cheapest option to Colombo Bandaranaike Intl Airport, with prices starting at $140. Another option worth looking into is Air India, starting at $398 round trip. These flights start at 71% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Kathmandu to Colombo Bandaranaike Intl Airport one-way?

    For one-way options, check prices for SriLankan Airlines. According to our data, you can fly for as low as $129. Users have also found prices from $218 and $398 on Air India and Thai Airways, respectively.

  • Can I find deals for flights from Kathmandu to Colombo that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Colombo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Colombo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Colombo.

  • Can I find deals for business class flights from Kathmandu to Colombo?

    Yes. Cheapflights offers flight deals from Kathmandu to Colombo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kathmandu to Colombo Bandaranaike Intl Airport?

    Currently, July is the cheapest month in which you can book a flight from Kathmandu to Colombo Bandaranaike Intl Airport (average of $137). Flying from Kathmandu to Colombo Bandaranaike Intl Airport in November is currently the most expensive (average of $498). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Colombo Bandaranaike Intl Airport?

Book flights to Colombo Bandaranaike Intl Airport if you plan to visit one of these locations
Negombo

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Other flights to Colombo

Explore flights to Colombo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on December 4, 2025.
Colombo Bandaranaike Intl Airport to Chennai flights
Colombo Bandaranaike Intl Airport to Abu Dhabi flights
Colombo Bandaranaike Intl Airport to Mumbai flights
Colombo Bandaranaike Intl Airport to Bengaluru flights
Colombo Bandaranaike Intl Airport to New Delhi flights
Colombo Bandaranaike Intl Airport to New Delhi flights
Colombo Bandaranaike Intl Airport to Kuala Lumpur Intl Airport flights
Colombo Bandaranaike Intl Airport to Chennai flights
Colombo Bandaranaike Intl Airport to Hyderabad flights
Colombo Bandaranaike Intl Airport to Bangkok Don Mueang Intl Airport flights
Colombo Bandaranaike Intl Airport to Muscat flights
Colombo Bandaranaike Intl Airport to Malé flights
Colombo Bandaranaike Intl Airport to Sharjah flights
Colombo Bandaranaike Intl Airport to Dubai flights
Colombo Bandaranaike Intl Airport to Abu Dhabi flights
Colombo Bandaranaike Intl Airport to Doha flights
Colombo Bandaranaike Intl Airport to Kuwait City flights
Colombo Bandaranaike Intl Airport to Kuala Lumpur Intl Airport flights

Top 2 airlines flying from Kathmandu to Colombo

Discover the top 2 airlines that operate flights from Kathmandu to Colombo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
SriLankan AirlinesCheapest$159Average$550FlexibilityNo cancel feeOn-time68%
Air IndiaCheapest$398Average$475FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.