Skyscanner home

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

Compare Colombo to Kathmandu flight deals

Find the cheapest month or even day of the year to fly to Kathmandu

Book the best Kathmandu fare with no extra fees

Flight deals from Colombo to Kathmandu Airport

Looking for a cheap last-minute deal or the best return flight from Colombo to Kathmandu Airport? If you want to travel next month, return fares start from £312. Find the lowest prices on one-way and return tickets right here.
Is this a good flight price? We’ll tell you.We compare today’s Colombo to Kathmandu Airport prices with what travellers usually pay, so you can see if now’s a good time to book, or if it’s worth waiting.
Kathmandu.£263 per passenger.Departing Tue, 23 Jun, returning Tue, 30 Jun.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Tue, 23 Jun, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Tue, 30 Jun, arriving in Colombo Bandaranayake.Price includes taxes and charges.From £263, select.
Kathmandu.£263 per passenger.Departing Wed, 24 Jun, returning Wed, 1 Jul.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Wed, 24 Jun, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Wed, 1 Jul, arriving in Colombo Bandaranayake.Price includes taxes and charges.From £263, select.
Kathmandu.£293 per passenger.Departing Tue, 9 Feb, returning Mon, 8 Mar.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Tue, 9 Feb, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Mon, 8 Mar, arriving in Colombo Bandaranayake.Price includes taxes and charges.From £293, select.
Kathmandu.£295 per passenger.Departing Mon, 11 May, returning Tue, 19 May.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Mon, 11 May, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Tue, 19 May, arriving in Colombo Bandaranayake.Price includes taxes and charges.From £295, select.
Kathmandu.£297 per passenger.Departing Wed, 25 Mar, returning Wed, 29 Apr.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Wed, 25 Mar, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Wed, 29 Apr, arriving in Colombo Bandaranayake.Price includes taxes and charges.From £297, select.
Kathmandu.£304 per passenger.Departing Sat, 21 Mar, returning Thu, 26 Mar.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Sat, 21 Mar, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Thu, 26 Mar, arriving in Colombo Bandaranayake.Price includes taxes and charges.From £304, select.
Kathmandu.£305 per passenger.Departing Wed, 9 Sep, returning Wed, 16 Sep.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Wed, 9 Sep, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Wed, 16 Sep, arriving in Colombo Bandaranayake.Price includes taxes and charges.From £305, select.
Kathmandu.£311 per passenger.Departing Wed, 6 May, returning Mon, 11 May.Return flight with SriLankan Airlines.Outbound direct flight with SriLankan Airlines departs from Colombo Bandaranayake on Wed, 6 May, arriving in Kathmandu.Inbound direct flight with SriLankan Airlines departs from Kathmandu on Mon, 11 May, arriving in Colombo Bandaranayake.Price includes taxes and charges.From £311, select.
Kathmandu.£312 per passenger.Departing Sun, 19 Apr, returning Thu, 23 Apr.Return flight with SriLankan Airlines.Outbound direct flight with SriLankan Airlines departs from Colombo Bandaranayake on Sun, 19 Apr, arriving in Kathmandu.Inbound direct flight with SriLankan Airlines departs from Kathmandu on Thu, 23 Apr, arriving in Colombo Bandaranayake.Price includes taxes and charges.From £312, select.
Kathmandu.£314 per passenger.Departing Thu, 16 Apr, returning Mon, 8 Jun.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Thu, 16 Apr, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Mon, 8 Jun, arriving in Colombo Bandaranayake.Price includes taxes and charges.From £314, select.
Kathmandu.£315 per passenger.Departing Mon, 27 Apr, returning Mon, 4 May.Return flight with SriLankan Airlines.Outbound direct flight with SriLankan Airlines departs from Colombo Bandaranayake on Mon, 27 Apr, arriving in Kathmandu.Inbound direct flight with SriLankan Airlines departs from Kathmandu on Mon, 4 May, arriving in Colombo Bandaranayake.Price includes taxes and charges.From £315, select.
Kathmandu.£332 per passenger.Departing Sat, 1 Aug, returning Thu, 13 Aug.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Sat, 1 Aug, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Thu, 13 Aug, arriving in Colombo Bandaranayake.Price includes taxes and charges.From £332, select.
Kathmandu.£348 per passenger.Departing Mon, 20 Jul, returning Wed, 5 Aug.Return flight with IndiGo and Air India.Outbound indirect flight with IndiGo, departs from Colombo Bandaranayake on Mon, 20 Jul, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Wed, 5 Aug, arriving in Colombo Bandaranayake.Price includes taxes and charges.From £348, select.
Kathmandu.£352 per passenger.Departing Mon, 5 Oct, returning Thu, 15 Oct.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Mon, 5 Oct, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Thu, 15 Oct, arriving in Colombo Bandaranayake.Price includes taxes and charges.From £352, select.
Kathmandu.£364 per passenger.Departing Sun, 19 Jul, returning Fri, 31 Jul.Return flight with Air India.Outbound indirect flight with Air India, departs from Colombo Bandaranayake on Sun, 19 Jul, arriving in Kathmandu.Inbound indirect flight with Air India, departs from Kathmandu on Fri, 31 Jul, arriving in Colombo Bandaranayake.Price includes taxes and charges.From £364, select.
Kathmandu.£371 per passenger.Departing Thu, 26 Mar, returning Thu, 2 Apr.Return flight with SriLankan Airlines.Outbound direct flight with SriLankan Airlines departs from Colombo Bandaranayake on Thu, 26 Mar, arriving in Kathmandu.Inbound direct flight with SriLankan Airlines departs from Kathmandu on Thu, 2 Apr, arriving in Colombo Bandaranayake.Price includes taxes and charges.From £371, select.

Find the cheapest month to fly from Colombo to Kathmandu

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Colombo to Kathmandu flights are currently cheapest in June.
Mar
from £304
Apr
from £312
May
from £295
Jun
from £263
Jul
from £364
Aug
from £332
Sep
from £305
Oct
from £352
Nov
from £388
Dec
from £388
Jan
Find prices
Feb
from £388

Direct flights from Colombo to Kathmandu

Colombo to Kathmandu: Alternative routes

Compare routes from Colombo to Kathmandu below. You may find an airport to fly into that's cheaper, faster, or easier than Kathmandu.

Kathmandu

3 miles from central Kathmandu
ClosestCheapest
from £263
Search flights

Colombo to Kathmandu: Flight information

The things to know before you go.
Cheapest flight found£263
Cheapest month to flyJune
Average flight time3 hrs, 35 mins
Most popular airlineSriLankan Airlines
Average flights per week9

Check out these Kathmandu hotels

Ready to plan your stay? Other travellers rate these Kathmandu hotels for cleanliness, service and location.
Jiuding Joy Hotel
0.44 miles from city centre
£50
Per night
SRK Service Apartment AND Hotel
1.08 miles from city centre
£13
Per night
Shuvatara Suites & Spa, Thamel
0.61 miles from city centre
£33
Per night
Jiuding Joy Hotel
0.44 miles from city centre
£50
Per night
SRK Service Apartment AND Hotel
1.08 miles from city centre
£13
Per night
Shuvatara Suites & Spa, Thamel
0.61 miles from city centre
£33
Per night
Explore top-rated hotels

Finding cheap flights from Colombo to Kathmandu: Frequently asked questions

The best price we found for a return flight from Colombo to Kathmandu is £263. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 35 minutes is the average flight time from Colombo to Kathmandu.
SriLankan Airlines flies direct from Colombo to Kathmandu.
As of March 2026, there are 10 flights per week flying from Colombo to Kathmandu.
The cheapest month to fly from Colombo to Kathmandu is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Colombo to Kathmandu Airport on Tuesday, 23 June 2026.
Yes – the average flight time is 3 hours and 35 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Kathmandu but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Kathmandu is around 40 days in advance, so don’t leave your flight to the last minute.

Travelling from Colombo to Kathmandu Tribhuvan International Airport (KTM): What you need to know

  • Colombo Bandaranaike International Airport (CMB) is Colombo's main airport. Check out your options for booking a flight from Colombo to Kathmandu Tribhuvan International Airport (KTM) leaving from here.

  • The average time for a direct Colombo to Kathmandu Tribhuvan International Airport flight is 3 hours 40 minutes.

  • Kathmandu Tribhuvan International Airport is located in Kathmandu. The city runs on the UTC+5:47 timezone and is 17 minutes ahead of Colombo.

  • The busiest route is from Colombo Bandaranaike International Airport (CMB) to Kathmandu Tribhuvan International Airport (KTM). Take your pick of 4 direct services each week. SriLankan Airlines operates a 8:05am departure between CMB and KTM.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Be at the airport with enough time to catch your flight from Colombo to KTM.

  • During popular months like February, you'll want to get to the airport even earlier. Arrive two hours before domestic departures and four hours ahead of international flights whenever you're flying during a peak period in general.

Airports in Colombo

Colombo Bandaranaike International Airport (CMB)

  • Colombo Bandaranaike International Airport (CMB) will have you travelling directly to your destination. Nonstop flights from Colombo to Kathmandu Tribhuvan International Airport (KTM) take off from this terminal.

  • You can get away on a direct flight from Colombo to Kathmandu Tribhuvan International Airport with SriLankan Airlines. This well-known airline offers services from CMB.

  • The majority of passengers prefer to book seats with SriLankan Airlines from CMB to KTM.

  • The most reliable carrier for punctuality on this route is SriLankan Airlines. Its services arrive as scheduled 71.43% of the time.

  • Stopovers are the perfect opportunity to break up your journey and possibly even tour another city. When searching for cheap flights from Colombo to KTM departing from Colombo Bandaranaike International Airport (CMB), deselect the 'Direct flights only' box to find out where you can visit along the way. Some popular options include:

    • Delhi Indira Gandhi International Airport (DEL)

    • Kuala Lumpur International Airport (KUL)

    • Mumbai Chhatrapati Shivaji International Airport (BOM)

  • The journey from central Colombo to CMB takes about 50 minutes by public transport. If you ride-share, drive or take a taxi, you'll cover the 32 kms (20 miles) in 40 minutes or so, depending on traffic conditions.

  • In search of a convenient hotel close to Colombo Bandaranaike International Airport? If you've booked an early flight from Colombo to Kathmandu Tribhuvan International Airport, these accommodation options will put you moments from check-in:

  • 74% of flights departing from Colombo Bandaranaike International Airport touch down at their destination on schedule.

About Kathmandu Tribhuvan International Airport (KTM)

  • Have a late flight from Colombo to Kathmandu Tribhuvan International Airport? Don't let your travel day stretch into tomorrow. Check in to one of these hotels near KTM and fast-forward to bedtime:

  • Drive into your next adventure with a Kathmandu Tribhuvan International Airport rental car. Grab a set of wheels from Spark Car to explore parts of Kathmandu that most tourists miss.

  • Lock in the best deal by reserving your vehicle around one week ahead of your Colombo to Kathmandu Tribhuvan International Airport flight.

Getting from Kathmandu Tribhuvan International Airport (KTM) to central Kathmandu

  • Central Kathmandu is around 6 kms (4 miles) from Kathmandu Tribhuvan International Airport and takes about 30 minutes to reach by car. Look into how to get from the airport to the city, whether that's with a car hire, taxi or ride-share.

  • It typically takes 40 minutes if you're travelling on public transport.

How to find the cheapest flights from Colombo to Kathmandu Tribhuvan International Airport (KTM)

  • The lowest price we've found for a one-way ticket from Colombo to Kathmandu Tribhuvan International Airport is £149. For a return flight on this route, the best price is £263. Depending on the availability and when you book, these fares could change.

  • Book 11 months before you want to fly. Research into pricing trends suggests this is the ideal window for finding cheap flights from Colombo to KTM.

  • April is when you're most likely to find a bargain on a Colombo to Kathmandu Tribhuvan International Airport ticket. If you'd like to travel at a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • You don't need to search every day to find out if fares have dropped when you set up a Price Alert. We'll notify you the moment a better deal is available on plane tickets from Colombo to KTM.

  • Tailor your flights using filters. Select your departure and arrival times, total journey duration and airlines. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Colombo to Kathmandu Tribhuvan International Airport.

The best time to fly from Colombo to Kathmandu Tribhuvan International Airport (KTM)

  • November is the most popular month for flights from Colombo to Kathmandu Tribhuvan International Airport (KTM). Plan your visit to Kathmandu in July if you'd rather be there when it's quieter.

  • The warmest month in Kathmandu is June, with temperatures ranging between 17ºC and 28ºC. Lock in your Colombo to KTM plane ticket then if that's your ideal forecast.

  • Look for cheap tickets from Colombo to Kathmandu Tribhuvan International Airport in January if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 3ºC and 18ºC.

More about Kathmandu

  • Once you've booked your flight from Colombo to Kathmandu Tribhuvan International Airport, find a hotel that keeps you close to what you want to see. Make one of these accommodation options your base for exploring Kathmandu:

  • There are plenty of things to do in Kathmandu when you're ready to sightsee. Kick things off at Kathmandu Durbar Square followed by Annapurna Base Camp Trek and Himalaya Discovery.

Explore more of Nepal

  • Kathmandu is always a good idea, but there are so many other parts of Nepal waiting to be explored. About 145 kms (90 miles) northwest of Kathmandu, a visit to Pokhara will keep your itinerary busy. Start with leading attractions like Viewpoint, GauriGhat, South Pokhara-6,Lakeside and Sarangkot Sunrise Pokhara.

  • Biratnagar is another sought-after destination in Nepal and is around 241 kms (150 miles) southeast of Kathmandu. No journey is complete without experiencing Haleshi Mahadev Mandir, Birateshwor Shiva Temple and Shiva Mandir.

More travel options

Plan the rest of your trip from Colombo to Kathmandu

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.