$248 Cheap Flights from Colombo (CMB) to Kathmandu (KTM)

View $248 flight on Wed, Aug 27, 2025Opens in a new window

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

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Cheap Flights from Colombo to Kathmandu (CMB-KTM)

Prices were available within the past 7 days and start at $248 for one-way flights and $421 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Wed, Aug 13 - Thu, Aug 21
CMB
Colombo
KTM
Kathmandu
$421 Roundtrip, found 20 hours ago
$421
Roundtrip
found 20 hours ago
Select Air India flight, departing Wed, Aug 13 from Colombo to Kathmandu, returning Thu, Aug 21, priced at $421 found 20 hours ago
Air India
Mon, Aug 11 - Fri, Aug 15
CMB
Colombo
KTM
Kathmandu
$422 Roundtrip, found 2 days ago
$422
Roundtrip
found 2 days ago
Select Air India flight, departing Mon, Aug 11 from Colombo to Kathmandu, returning Fri, Aug 15, priced at $422 found 2 days ago
Air India
Sat, Aug 2 - Fri, Aug 15
CMB
Colombo
KTM
Kathmandu
$430 Roundtrip, found 2 days ago
$430
Roundtrip
found 2 days ago
Select Air India flight, departing Sat, Aug 2 from Colombo to Kathmandu, returning Fri, Aug 15, priced at $430 found 2 days ago
Air India
Mon, Sep 1 - Fri, Sep 5
CMB
Colombo
KTM
Kathmandu
$438 Roundtrip, found 2 days ago
$438
Roundtrip
found 2 days ago
Select Air India flight, departing Mon, Sep 1 from Colombo to Kathmandu, returning Fri, Sep 5, priced at $438 found 2 days ago
Air India
Sat, Aug 2 - Fri, Aug 15
CMB
Colombo
KTM
Kathmandu
$460 Roundtrip, found 2 days ago
$460
Roundtrip
found 2 days ago
Select Air India flight, departing Sat, Aug 2 from Colombo to Kathmandu, returning Fri, Aug 15, priced at $460 found 2 days ago
Air India
Mon, Aug 11 - Fri, Aug 15
CMB
Colombo
KTM
Kathmandu
$465 Roundtrip, found 2 days ago
$465
Roundtrip
found 2 days ago
Select Air India flight, departing Mon, Aug 11 from Colombo to Kathmandu, returning Fri, Aug 15, priced at $465 found 2 days ago
IndiGo
Wed, Aug 13 - Thu, Aug 21
CMB
Colombo
KTM
Kathmandu
$467 Roundtrip, found 20 hours ago
$467
Roundtrip
found 20 hours ago
Select IndiGo flight, departing Wed, Aug 13 from Colombo to Kathmandu, returning Thu, Aug 21, priced at $467 found 20 hours ago
SriLankan Airlines
Wed, Aug 13 - Thu, Aug 21
CMB
Colombo
KTM
Kathmandu
$617 Roundtrip, found 20 hours ago
$617
Roundtrip
found 20 hours ago
Select SriLankan Airlines flight, departing Wed, Aug 13 from Colombo to Kathmandu, returning Thu, Aug 21, priced at $617 found 20 hours ago
Qatar Airways
Sun, Jan 18 - Sun, Jan 25
CMB
Colombo
KTM
Kathmandu
$679 Roundtrip, found 3 days ago
$679
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Sun, Jan 18 from Colombo to Kathmandu, returning Sun, Jan 25, priced at $679 found 3 days ago
China Eastern Airlines
Sun, Sep 14 - Sat, Sep 20
CMB
Colombo
KTM
Kathmandu
$901 Roundtrip, found 2 days ago
$901
Roundtrip
found 2 days ago
Select China Eastern Airlines flight, departing Sun, Sep 14 from Colombo to Kathmandu, returning Sat, Sep 20, priced at $901 found 2 days ago

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

May is typically the cheapest month to fly

From $402 - $605 per traveler.

Graph displaying average flight prices per month

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 $421
KTM
Tribhuvan Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $421
Flights from Colombo (CMB) to Kathmandu (KTM)
Origin airport
Bandaranaike Intl.
Destination airport
Tribhuvan Intl.
Airlines serving
Air India, Cathay Pacific, IndiGo, Malaysia Airlines, Qatar Airways, Singapore Airlines, Thai Airways International, flydubai
Roundtrip price
$421
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 August. 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 $248 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?
You can book cheap return fares starting at $824 from Bandaranaike Intl. Airport (CMB) to Tribhuvan Intl. Airport (KTM). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a SriLankan Airlines flight leaving CMB on July 27 2025 and touching down at KTM. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from CMB to KTM?
The cheapest flights from CMB to KTM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 CMB to KTM?
Journey from CMB to KTM with SriLankan Airlines. This carrier currently has the cheapest one-way fare on this route, starting at $357. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from CMB on October 16 2025. Prices were last updated on July 23 2025 and have not changed since.
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.

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