S$399 Cheap Flights from Colombo to Kathmandu

View S$399 flight on Wed, 12 Nov, 2025Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Colombo to Kathmandu (CMB-KTM)

Prices were available within the past 7 days and start at S$399 for one-way flights and S$623 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Sat, 14 Feb - Thu, 19 Feb
CMB
Colombo
KTM
Kathmandu
S$623 Return, found 11 hours ago
S$623
Return
found 11 hours ago
Select Air India flight, departing Sat, 14 Feb from Colombo to Kathmandu, returning Thu, 19 Feb, priced at S$623 found 11 hours ago
Air India
Sat, 14 Feb - Thu, 19 Feb
CMB
Colombo
KTM
Kathmandu
S$640 Return, found 11 hours ago
S$640
Return
found 11 hours ago
Select Air India flight, departing Sat, 14 Feb from Colombo to Kathmandu, returning Thu, 19 Feb, priced at S$640 found 11 hours ago
Air India
Sat, 14 Feb - Thu, 19 Feb
CMB
Colombo
KTM
Kathmandu
S$655 Return, found 11 hours ago
S$655
Return
found 11 hours ago
Select Air India flight, departing Sat, 14 Feb from Colombo to Kathmandu, returning Thu, 19 Feb, priced at S$655 found 11 hours ago
Air India
Sat, 14 Feb - Thu, 19 Feb
CMB
Colombo
KTM
Kathmandu
S$672 Return, found 11 hours ago
S$672
Return
found 11 hours ago
Select Air India flight, departing Sat, 14 Feb from Colombo to Kathmandu, returning Thu, 19 Feb, priced at S$672 found 11 hours ago
Air India
Sat, 14 Feb - Thu, 19 Feb
CMB
Colombo
KTM
Kathmandu
S$699 Return, found 11 hours ago
S$699
Return
found 11 hours ago
Select Air India flight, departing Sat, 14 Feb from Colombo to Kathmandu, returning Thu, 19 Feb, priced at S$699 found 11 hours ago
Air India
Sat, 14 Feb - Thu, 19 Feb
CMB
Colombo
KTM
Kathmandu
S$731 Return, found 11 hours ago
S$731
Return
found 11 hours ago
Select Air India flight, departing Sat, 14 Feb from Colombo to Kathmandu, returning Thu, 19 Feb, priced at S$731 found 11 hours ago
IndiGo
Sat, 14 Feb - Thu, 19 Feb
CMB
Colombo
KTM
Kathmandu
S$804 Return, found 11 hours ago
S$804
Return
found 11 hours ago
Select IndiGo flight, departing Sat, 14 Feb from Colombo to Kathmandu, returning Thu, 19 Feb, priced at S$804 found 11 hours ago
SriLankan Airlines
Sat, 14 Feb - Thu, 19 Feb
CMB
Colombo
KTM
Kathmandu
S$846 Return, found 11 hours ago
S$846
Return
found 11 hours ago
Select SriLankan Airlines flight, departing Sat, 14 Feb from Colombo to Kathmandu, returning Thu, 19 Feb, priced at S$846 found 11 hours ago
Qatar Airways
Sat, 14 Feb - Thu, 19 Feb
CMB
Colombo
KTM
Kathmandu
S$1,008 Return, found 11 hours ago
S$1,008
Return
found 11 hours ago
Select Qatar Airways flight, departing Sat, 14 Feb from Colombo to Kathmandu, returning Thu, 19 Feb, priced at S$1,008 found 11 hours ago
Malaysia Airlines
Sat, 14 Feb - Thu, 19 Feb
CMB
Colombo
KTM
Kathmandu
S$1,048 Return, found 11 hours ago
S$1,048
Return
found 11 hours ago
Select Malaysia Airlines flight, departing Sat, 14 Feb from Colombo to Kathmandu, returning Thu, 19 Feb, priced at S$1,048 found 11 hours ago

Find the cheapest month to fly from Colombo (CMB) to Kathmandu (KTM)

July is typically the cheapest month to fly

From S$522 - S$788 per traveller.

Frequently asked questions

How much is a flight from CMB to Tribhuvan Intl. Airport?
Start packing your suitcase, because round-trip flights from Colombo International Airport to Tribhuvan Intl. Airport start from S$623. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book now to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from CMB to Tribhuvan Intl. Airport?
We understand that circumstances change unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from CMB to Tribhuvan Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Bandaranaike Intl. Airport (CMB) to KTM flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Colombo International Airport to Tribhuvan Intl. Airport (KTM)?
The flying distance from Bandaranaike Intl. Airport (CMB) to KTM is 2,400 kilometres. Sneak in a nap or read a good book and the trip will zip on by.
Which airlines fly direct from Colombo International Airport to Tribhuvan Intl. Airport (KTM)?
Flying directly from Colombo International Airport to Tribhuvan Intl. Airport (KTM) is a cinch with SriLankan Airlines (UL). This top airline operates 21 flights each month.
Are Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM) flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up amazing last-minute deals from CMB to Tribhuvan Intl. Airport, but there's no guarantee. As many airlines release seats up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares carrier prices and updates flight deals regularly, so you can be certain you're always getting the latest offers.

Travel information

Travel information

Origin airport
Bandaranaike Intl.
Destination airport
Tribhuvan Intl.
Return price
S$622
Distance
2340 km
Average flight time
3 hours 45 mins

Book with confidence

Book with confidence

Perfect flights from Colombo to Kathmandu

Your Journey from Colombo to Kathmandu

Start your unforgettable journey with Expedia. Our broad selection of flights from Colombo to Kathmandu caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including Air India, SriLankan Airlines, IndiGo, Qatar Airways, China Eastern Airlines, Malaysia Airlines. Our selection of flights from Bandaranaike Intl. to Tribhuvan Intl. caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with Colombo to Kathmandu Flights

Experience the joy of finding cheap flights from Bandaranaike Intl. to Tribhuvan Intl. that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$399 and roundtrip prices from S$623*.
 

Pre-Flight Essentials

Ensure a smooth journey from Colombo to Kathmandu with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Kathmandu

Picture yourself stepping off the plane in Kathmandu and immersing yourself in the unique atmosphere of . From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your Colombo to Kathmandu Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from Colombo to Kathmandu.
 

Beyond the Flight – Exploring Kathmandu

With Expedia, your adventure extends beyond the flight. Explore Kathmandu at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from Colombo to Kathmandu with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from Colombo to Kathmandu with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Colombo to Kathmandu

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to Expedia members.