฿10,515 Cheap Flights from Kathmandu (KTM) to Colombo (CMB)

View ฿10,515 flight on Fri, 6 Feb 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at ฿10,515 for one-way flights and ฿12,670 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Sun, 18 Jan - Sat, 24 Jan
KTM
Kathmandu
CMB
Colombo
฿12,670 Return, just found
฿12,670
Return
just found
Select Air India flight, departing Sun, 18 Jan from Kathmandu to Colombo, returning Sat, 24 Jan, priced at ฿12,670 just found
Air India
Sun, 18 Jan - Mon, 19 Jan
KTM
Kathmandu
CMB
Colombo
฿13,110 Return, just found
฿13,110
Return
just found
Select Air India flight, departing Sun, 18 Jan from Kathmandu to Colombo, returning Mon, 19 Jan, priced at ฿13,110 just found
Air India
Sun, 18 Jan - Sun, 25 Jan
KTM
Kathmandu
CMB
Colombo
฿13,985 Return, just found
฿13,985
Return
just found
Select Air India flight, departing Sun, 18 Jan from Kathmandu to Colombo, returning Sun, 25 Jan, priced at ฿13,985 just found
Air India
Sun, 18 Jan - Tue, 27 Jan
KTM
Kathmandu
CMB
Colombo
฿14,420 Return, just found
฿14,420
Return
just found
Select Air India flight, departing Sun, 18 Jan from Kathmandu to Colombo, returning Tue, 27 Jan, priced at ฿14,420 just found
Air India
Wed, 14 Jan - Sat, 24 Jan
KTM
Kathmandu
CMB
Colombo
฿15,150 Return, just found
฿15,150
Return
just found
Select Air India flight, departing Wed, 14 Jan from Kathmandu to Colombo, returning Sat, 24 Jan, priced at ฿15,150 just found
Air India
Sun, 18 Jan - Fri, 30 Jan
KTM
Kathmandu
CMB
Colombo
฿15,300 Return, just found
฿15,300
Return
just found
Select Air India flight, departing Sun, 18 Jan from Kathmandu to Colombo, returning Fri, 30 Jan, priced at ฿15,300 just found
SriLankan Airlines
Thu, 22 Jan - Sun, 25 Jan
KTM
Kathmandu
CMB
Colombo
฿16,270 Return, just found
฿16,270
Return
just found
Select SriLankan Airlines flight, departing Thu, 22 Jan from Kathmandu to Colombo, returning Sun, 25 Jan, priced at ฿16,270 just found
Thai Airways International
Wed, 21 Jan - Wed, 28 Jan
KTM
Kathmandu
CMB
Colombo
฿22,050 Return, just found
฿22,050
Return
just found
Select Thai Airways International flight, departing Wed, 21 Jan from Kathmandu to Colombo, returning Wed, 28 Jan, priced at ฿22,050 just found
IndiGo
Sat, 17 Jan - Wed, 21 Jan
KTM
Kathmandu
CMB
Colombo
฿22,922 Return, found 2 hours ago
฿22,922
Return
found 2 hours ago
Select IndiGo flight, departing Sat, 17 Jan from Kathmandu to Colombo, returning Wed, 21 Jan, priced at ฿22,922 found 2 hours ago
Singapore Airlines
Wed, 21 Jan - Wed, 28 Jan
KTM
Kathmandu
CMB
Colombo
฿25,570 Return, just found
฿25,570
Return
just found
Select Singapore Airlines flight, departing Wed, 21 Jan from Kathmandu to Colombo, returning Wed, 28 Jan, priced at ฿25,570 just found

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

July is typically the cheapest month to fly

From ฿12,811 - ฿18,150 per traveller.

Alternative airports near Colombo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Bandaranaike Intl. CMB. Cheapest option available. Average driving time to city centre is 28 minutes. Flights from ฿15,150
CMB
Bandaranaike Intl.
Cheapest
Average driving time to city centre28 min
Flights from ฿15,150
Flight from Kathmandu to Colombo route information
Origin airport
Tribhuvan Intl.
Destination airport
Bandaranaike Intl.
Return price
฿12,670
Distance
2340 km
Average flight time
3 hours 35 mins

Perfect flights from Kathmandu to Colombo

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Kathmandu to Colombo. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Tribhuvan Intl. to Bandaranaike Intl. ticket options cater to your travel preferences, with incredible one-way fares from ฿10,515 and roundtrip prices from ฿12,670. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Bandaranaike Intl. and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Colombo.

Frequently asked questions

How much is a flight from Tribhuvan Intl. Airport (KTM) to CMB?
The lowest price advertised for a round-trip journey from Tribhuvan Intl. Airport to CMB is ฿12,670. But you better act quick. This figure is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from KTM to Bandaranaike Intl. Airport (CMB)?
This can vary between air carriers, as each has its own terms and conditions. Head to the Customer Service Portal, where you'll find easy instructions on how to cancel online.
How do I find cheap flights from Tribhuvan Intl. Airport to CMB 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 Tribhuvan Intl. Airport to Bandaranaike Intl. Airport (CMB) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Tribhuvan Intl. Airport (KTM) to CMB?
Around 2,400 kilometres separates Kathmandu and Seeduwa - Katunayake, so pack something to keep you busy for a couple of hours. That thrilling novel you haven't had time to start will be just the ticket.
Which airlines fly direct from Tribhuvan Intl. Airport (KTM) to Bandaranaike Intl. Airport (CMB)?
Check out SriLankan Airlines (UL) if you want to travel directly from Tribhuvan Intl. Airport (KTM) to Colombo International Airport. This carrier offers 21 monthly flights, so you're sure to find one that fits your travel plans.
Are KTM to CMB flight tickets cheaper when they're purchased at the last minute?
Fares from Tribhuvan Intl. Airport to Bandaranaike Intl. Airport (CMB) are available up to a year before departure on Expedia. And although you may pick up fantastic last-minute deals, it's not something you should count on. Also, booking your flights well in advance means you'll have more options — and you can avoid getting trapped in the dreaded middle seat! We regularly update our fares to bring you the biggest bargains, so keep checking in for all the latest specials.
*Available to Expedia members.