CA $354 Cheap Flights from Colombo (CMB) to Kathmandu (KTM)

View CA $354 flight on Wed, Jul 15, 2026Opens in a new window

Popular airlines from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM)

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Cheap flights from Colombo (CMB) to Kathmandu (KTM)

Prices were available within the past 7 days and start at CA $354 for one-way flights and CA $666 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

SriLankan Airlines
Thu, Jun 4 - Thu, Jun 11
CMB
Colombo
KTM
Kathmandu
CA $666 Roundtrip, found 3 days ago
CA $666
Roundtrip
found 3 days ago
Select SriLankan Airlines flight, departing Thu, Jun 4 from Colombo to Kathmandu, returning Thu, Jun 11, priced at CA $666 found 3 days ago
IndiGo
Thu, Jun 4 - Thu, Jun 11
CMB
Colombo
KTM
Kathmandu
CA $738 Roundtrip, found 3 days ago
CA $738
Roundtrip
found 3 days ago
Select IndiGo flight, departing Thu, Jun 4 from Colombo to Kathmandu, returning Thu, Jun 11, priced at CA $738 found 3 days ago
IndiGo
Thu, Jun 4 - Thu, Jun 11
CMB
Colombo
KTM
Kathmandu
CA $743 Roundtrip, found 3 days ago
CA $743
Roundtrip
found 3 days ago
Select IndiGo flight, departing Thu, Jun 4 from Colombo to Kathmandu, returning Thu, Jun 11, priced at CA $743 found 3 days ago
IndiGo
Thu, Jun 4 - Thu, Jun 11
CMB
Colombo
KTM
Kathmandu
CA $789 Roundtrip, found 3 days ago
CA $789
Roundtrip
found 3 days ago
Select IndiGo flight, departing Thu, Jun 4 from Colombo to Kathmandu, returning Thu, Jun 11, priced at CA $789 found 3 days ago
Air India
Mon, May 18 - Mon, May 25
CMB
Colombo
KTM
Kathmandu
CA $799 Roundtrip, found 4 days ago
CA $799
Roundtrip
found 4 days ago
Select Air India flight, departing Mon, May 18 from Colombo to Kathmandu, returning Mon, May 25, priced at CA $799 found 4 days ago
IndiGo
Thu, Jun 4 - Thu, Jun 11
CMB
Colombo
KTM
Kathmandu
CA $817 Roundtrip, found 3 days ago
CA $817
Roundtrip
found 3 days ago
Select IndiGo flight, departing Thu, Jun 4 from Colombo to Kathmandu, returning Thu, Jun 11, priced at CA $817 found 3 days ago
Air India
Wed, May 13 - Wed, May 27
CMB
Colombo
KTM
Kathmandu
CA $824 Roundtrip, found 6 days ago
CA $824
Roundtrip
found 6 days ago
Select Air India flight, departing Wed, May 13 from Colombo to Kathmandu, returning Wed, May 27, priced at CA $824 found 6 days ago
Air India
Mon, May 18 - Mon, May 25
CMB
Colombo
KTM
Kathmandu
CA $832 Roundtrip, found 4 days ago
CA $832
Roundtrip
found 4 days ago
Select Air India flight, departing Mon, May 18 from Colombo to Kathmandu, returning Mon, May 25, priced at CA $832 found 4 days ago
Qatar Airways
Thu, Jun 4 - Thu, Jun 11
CMB
Colombo
KTM
Kathmandu
CA $909 Roundtrip, found 3 days ago
CA $909
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Thu, Jun 4 from Colombo to Kathmandu, returning Thu, Jun 11, priced at CA $909 found 3 days ago
Malaysia Airlines
Wed, Nov 4 - Wed, Nov 11
CMB
Colombo
KTM
Kathmandu
CA $1,414 Roundtrip, found 6 days ago
CA $1,414
Roundtrip
found 6 days ago
Select Malaysia Airlines flight, departing Wed, Nov 4 from Colombo to Kathmandu, returning Wed, Nov 11, priced at CA $1,414 found 6 days ago

Frequently asked questions

Which airlines fly direct from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
Enter CMB to KTM and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
To find a cheap flight from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
The best airline to fly with from Colombo (CMB-Bandaranaike Intl.) (CMB) to Kathmandu (KTM-Tribhuvan Intl.) (KTM) will differ from traveler to traveler. If you like to fly early, UL offers early morning flights. If price is the most important factor, UL typically offers the lowest fares. AI offers the most daily flights from Colombo (CMB-Bandaranaike Intl.) (CMB) to Kathmandu (KTM-Tribhuvan Intl.) (KTM), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
There are approximately 29 connecting flights per day from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.). Some common connection points include Indira Gandhi Intl. (DEL), Dubai Intl. (DXB), and Kuala Lumpur Intl. (KUL).
What is the earliest flight from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
The earliest flight from Colombo (CMB-Bandaranaike Intl.) (CMB) to Kathmandu (KTM-Tribhuvan Intl.) (KTM) typically departs at approximately 12:05 AM local time, operated by MH. This is a seasonal service active in April, May, and August. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
You'll find the most flights from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.) on a Tuesday, with around 30 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include UL, QR, and FZ. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
The most popular departure times for flights from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.) are in the early morning, from 6am to 9am. About 25% of passengers prefer this time. Many major carriers, including Air India, Turkish Airlines and SriLankan Airlines, offer flights during this window. This timing works well because it allows you to start your journey early and arrive at your destination with plenty of time to settle in.
How long does it take to fly from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
Flying nonstop from CMB to KTM takes around 3 hours 50 minutes, with the route covering approximately 1,463 miles. Flights with a layover typically take 16 hours 40 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
Select the "Business class" and "First class" filters when looking for CMB to KTM flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight with Expedia?
It's easy to earn miles on a Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Kathmandu from Bandaranaike Intl. (CMB)?
From Bandaranaike Intl. (CMB), you can fly directly into Tribhuvan Intl. (KTM) to reach Kathmandu. Some flights may connect through major hubs like Chhatrapati Shivaji Intl. (BOM), Velana Intl. (MLE), Chennai Intl. (MAA) before reaching Kathmandu. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.) at the last minute?
Typically, booking a last minute flight from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight and hotel package?
Securing a Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.)?
If you booked your Colombo (CMB-Bandaranaike Intl.) to Kathmandu (KTM-Tribhuvan Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Bandaranaike Intl.
Destination airport
Tribhuvan Intl.
Roundtrip price
CA $666
Distance
2340 km
Average flight time
3 hours 40 mins

Book with confidence

Seeduwa - Katunayake to Kathmandu Flights

The easy way to book your flights from Colombo to Kathmandu 

With Expedia, it’s simple to find and book flights to Kathmandu from Colombo whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Tribhuvan Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Colombo to Kathmandu today, tomorrow, or this week.  

 

Save dollars with cheap flights from Bandaranaike Intl., CMB to Tribhuvan Intl., KTM 

Sort your search results by price to find great deals on your flight from Colombo to Kathmandu—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Kathmandu from Colombo currently is just CA $666 rising to CA $1,414.  

Here are more money-saving tips: 

  • Fly in June when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Kathmandu  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Kathmandu from Colombo 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Kathmandu with Expedia today.

Seeduwa - Katunayake to Kathmandu Flights

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*Available to Expedia members.