HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kathmandu

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

CMB — KTM
ago. 25 — sep. 11
lun. 8/25
lun. 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Colombo to Kathmandu 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.

Cheap flight deals from Colombo to Kathmandu

Discover tips and strategies to find the most affordable flight options for your journey from Colombo (CMB) to Kathmandu (KTM). 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 agosto 20, 2025.

Popular in

October

Cheapest in

January

Average price

$372

Good one-way deal

$293 or less
Highest demand for flights based on searches. 25% potential increase in price ($157 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals
Price to beat on a one-way flight from Colombo Bandaranaike Intl to Kathmandu Tribhuvan.
Search Deals

Best time to book a flight from Colombo to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Colombo 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 Colombo Bandaranaike Intl Airport to Kathmandu

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

Currently, August is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Kathmandu (average of $1,218). Flying from Colombo Bandaranaike Intl Airport to Kathmandu in June is currently the most expensive (average of $1,685). 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 CMB to KTM?

Find hourly flight availability from Colombo to Kathmandu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 20, 2025.

It’s optimal to fly from Colombo Bandaranaike Intl Airport to Kathmandu in the morning. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight at noon.

Reviews of airlines servicing Kathmandu

Get insights into the airlines that provide service to Kathmandu. 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 Kathmandu. Reviews last updated agosto 20, 2025.
Read through reviews of airlines operating flights from Colombo Bandaranaike Intl Airport to Kathmandu, such as SriLankan Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
SriLankan Airlines
6.8
Okay
75 reviews

Overall

6.8

Food

7.0

Boarding

6.6

Crew

7.5

Entertainment

6.2

Comfort

6.8

Reviews

1 / 1
8.0
Excellent

Anonymous,Jan 2024

CMB - SYD

It was ok. Not an excellent service for the cost paid
SriLankan Airlines
6.8
Okay
75 reviews
SriLankan Airlines
6.8
Okay
75 reviews

Overall

6.8

Food

7.0

Boarding

6.6

Crew

7.5

Entertainment

6.2

Comfort

6.8

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 Colombo to Kathmandu. 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 into for flights to Kathmandu from Colombo Bandaranaike Intl?

    If you book a flight to Kathmandu from Colombo Bandaranaike Intl, you will be flying to 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 Colombo Bandaranaike Intl to Tribhuvan per day from 1 airline.

  • What is the cheapest airline to fly from Colombo Bandaranaike Intl Airport to Kathmandu round-trip?

    Currently priced at $300, SriLankan Airlines will fly you from Colombo Bandaranaike Intl Airport to Kathmandu and back. In addition to SriLankan Airlines, many other airlines offer competitively priced options for your trip. SriLankan Airlines is 34% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colombo to Kathmandu 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 Colombo Bandaranaike Intl Airport to Kathmandu?

    Currently, August is the cheapest month in which you can book a flight from Colombo Bandaranaike Intl Airport to Kathmandu (average of $1,218). Flying from Colombo Bandaranaike Intl Airport to Kathmandu in June is currently the most expensive (average of $1,685). 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 Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Nagarkot

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.

Complete your trip

Complete your trip to Kathmandu by adding a car rental and/or hotel reservation to your travel itinerary.
Kathmandu car rentals
Kathmandu Tribhuvan Airport car rentals

Top airline flying from Colombo to Kathmandu

Discover the top airline that operate flights from Colombo to Kathmandu. 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 agosto 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
SriLankan AirlinesCheapest$300Average$503FlexibilityNo cancel feeOn-time68%

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.