$293 Cheap Flights from Colombo (CMB) to Kathmandu (KTM)

View $293 flight on Mon, Dec 22, 2025Opens in a new window

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

Cheap Flights from Colombo to Kathmandu (CMB-KTM)

Prices were available within the past 7 days and start at $293 for one-way flights and $436 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Sun, Nov 16 - Sun, Nov 30
CMB
Colombo
KTM
Kathmandu
$436 Roundtrip, found 5 days ago
$436
Roundtrip
found 5 days ago
Select Air India flight, departing Sun, Nov 16 from Colombo to Kathmandu, returning Sun, Nov 30, priced at $436 found 5 days ago
Air India
Tue, Oct 14 - Wed, Oct 15
CMB
Colombo
KTM
Kathmandu
$443 Roundtrip, found 4 days ago
$443
Roundtrip
found 4 days ago
Select Air India flight, departing Tue, Oct 14 from Colombo to Kathmandu, returning Wed, Oct 15, priced at $443 found 4 days ago
Air India
Sun, Nov 16 - Thu, Dec 4
CMB
Colombo
KTM
Kathmandu
$451 Roundtrip, found 5 days ago
$451
Roundtrip
found 5 days ago
Select Air India flight, departing Sun, Nov 16 from Colombo to Kathmandu, returning Thu, Dec 4, priced at $451 found 5 days ago
Air India
Sun, Mar 29 - Sun, Apr 5
CMB
Colombo
KTM
Kathmandu
$466 Roundtrip, found 5 days ago
$466
Roundtrip
found 5 days ago
Select Air India flight, departing Sun, Mar 29 from Colombo to Kathmandu, returning Sun, Apr 5, priced at $466 found 5 days ago
Air India
Wed, Dec 31 - Mon, Jan 5
CMB
Colombo
KTM
Kathmandu
$470 Roundtrip, found 7 hours ago
$470
Roundtrip
found 7 hours ago
Select Air India flight, departing Wed, Dec 31 from Colombo to Kathmandu, returning Mon, Jan 5, priced at $470 found 7 hours ago
Air India
Sat, Apr 11 - Sat, Apr 18
CMB
Colombo
KTM
Kathmandu
$477 Roundtrip, found 6 days ago
$477
Roundtrip
found 6 days ago
Select Air India flight, departing Sat, Apr 11 from Colombo to Kathmandu, returning Sat, Apr 18, priced at $477 found 6 days ago
SriLankan Airlines
Wed, Dec 31 - Mon, Jan 5
CMB
Colombo
KTM
Kathmandu
$616 Roundtrip, found 7 hours ago
$616
Roundtrip
found 7 hours ago
Select SriLankan Airlines flight, departing Wed, Dec 31 from Colombo to Kathmandu, returning Mon, Jan 5, priced at $616 found 7 hours ago
Qatar Airways
Wed, Dec 31 - Mon, Jan 5
CMB
Colombo
KTM
Kathmandu
$667 Roundtrip, found 7 hours ago
$667
Roundtrip
found 7 hours ago
Select Qatar Airways flight, departing Wed, Dec 31 from Colombo to Kathmandu, returning Mon, Jan 5, priced at $667 found 7 hours ago
IndiGo
Sun, Oct 12 - Sun, Oct 19
CMB
Colombo
KTM
Kathmandu
$706 Roundtrip, found 12 hours ago
$706
Roundtrip
found 12 hours ago
Select IndiGo flight, departing Sun, Oct 12 from Colombo to Kathmandu, returning Sun, Oct 19, priced at $706 found 12 hours ago
Singapore Airlines
Mon, Jan 12 - Sun, Jan 18
CMB
Colombo
KTM
Kathmandu
$844 Roundtrip, found 15 hours ago
$844
Roundtrip
found 15 hours ago
Select Singapore Airlines flight, departing Mon, Jan 12 from Colombo to Kathmandu, returning Sun, Jan 18, priced at $844 found 15 hours ago

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

July is typically the cheapest month to fly

From $404 - $611 per traveler.

Alternative airports near Kathmandu

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

Select flight to Tribhuvan Intl. KTM. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $694
KTM
Tribhuvan Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $694
Flights from Colombo (CMB) to Kathmandu (KTM)
Origin airport
Bandaranaike Intl.
Destination airport
Tribhuvan Intl.
Airlines serving
Air China, Air India, Cathay Pacific, China Eastern Airlines, IndiGo, Malaysia Airlines, Qatar Airways, Singapore Airlines, SriLankan Airlines, Thai Airways International, Turkish Airlines, flydubai
Roundtrip price
$436
Distance
1462 mi
Average flight time
3 hours 45 mins

Colombo to Kathmandu Flights

The cheapest times to fly from Colombo to Kathmandu

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Colombo to Kathmandu are during the month of November. You can find some of the cheapest flights from Colombo to Kathmandu with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Colombo to Kathmandu

Sunday is one of the best days to book for cheap flights from Colombo to Kathmandu: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Colombo to Kathmandu

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Colombo to Kathmandu in 2025. You can also book with separate airlines for your outbound and return journeys, from $293 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Colombo to Kathmandu flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Colombo to Kathmandu airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM) cost?
Secure a cheap one-way flight from $293 or cheap return flight from $436 from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM)?
Traveling in November can help you save, as it's the cheapest month for flights between CMB and KTM. You'll often find the lowest prices during off-peak months.
Which airlines fly direct from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM)?
Take a nonstop flight with SriLankan Airlines and go straight from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM).
What is the cheapest airline that flies from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM)?
To find the cheapest airline flying from CMB to KTM, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM)?
On average you can take your pick of 4 direct flights per week from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM). For more flexibility, consider flights with layovers. Enter your dates on Expedia and then set the filter tool to include one or more stops.
What are the most popular departure times for flights from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM)?
The 8 AM departures from CMB to KTM are the most sought after. Greater demand means you'll likely pay more for these departures. If you want to save on your trip, choose a less crowded time to fly.
What day of the week has the most flights from CMB to KTM?
Thursday has the most flights from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM). Consider taking off on this day and you'll have the best chance of finding a departure that fits your itinerary.
What is the earliest flight from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM)?
The first flight of the day leaving Bandaranaike Intl. Airport (CMB) is at around 8:05AM UTC+5. Board this flight and you'll reach Tribhuvan Intl. Airport (KTM) at approximately 11:50AM UTC+5. The total time in the air is 3h 30m.
How long does it take to fly from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM)?
Flights from CMB to KTM have an average travel time of 3 hours and 30 minutes. The total distance between these two airports is 1,450 mi.
What airline has the least delays from CMB to KTM?
SriLankan Airlines has the best performance for on-time direct flights from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM), with an on-time rating of 87%. Use the Expedia App to see your flight status before you jet off and get immediate updates about any trip changes.
What is the best time to fly from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM)?
To avoid potential delays on the Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM) route, fly before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Kathmandu from Bandaranaike Intl. Airport (CMB)?
If you're on a direct flight from Bandaranaike Intl. Airport (CMB) to Kathmandu, Tribhuvan Intl. Airport (KTM) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM) last-minute?
Last-minute fares from CMB to KTM are typically more expensive. To lock in the cheapest rates, start searching for flights ahead of time. That said, if you're flexible with your travel plans, you may land a cheap fare right before you leave.
Is it cheaper to book a CMB to KTM flight and hotel package?
Compared with arranging flights and hotels separately, booking a CMB to KTM flight and hotel package with Expedia could result in significant savings. Better still, having everything in one convenient place will take the stress out of planning your trip. Simply secure your flights and choose from our extensive range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM)?
Typically, you're able to cancel or reschedule your CMB to KTM flight. However, additional charges may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want more information, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.