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Cheap flights from Kathmandu to Colombo Bandaranaike Intl Airport from ₹ 30,786

KTM — CMB
7 Oct — 14 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kathmandu to Colombo

Enter your travel dates to find the best prices.

Cheapest flights from Kathmandu to Colombo

Thu 10/913:15 -
Nonstop3h 35m
Sun 13/905:00 -
1 stop10h 25m
Deal found 3/9₹ 40,324
Thu 10/913:15 -
Nonstop3h 35m
Fri 11/903:45 -
2 stops10h 10m
Deal found 3/9₹ 43,252
Thu 10/914:40 -
1 stop25h 40m
Sun 13/905:00 -
1 stop18h 50m
Deal found 3/9₹ 44,290
Thu 10/913:15 -
Nonstop3h 35m
Sun 13/908:20 -
Nonstop3h 40m
Deal found 3/9₹ 50,051
Fri 16/1008:45 -
1 stop17h 50m
Thu 22/1003:10 -
1 stop19h 15m
Deal found 5/9₹ 51,373
Fri 16/1000:35 -
2 stops33h 55m
Thu 22/1002:05 -
1 stop16h 35m
Deal found 5/9₹ 80,932
Wed 14/1015:35 -
1 stop16h 50m
Wed 21/1011:15 -
2 stops31h 25m
Deal found 5/9₹ 81,309
Sat 17/1019:55 -
2 stops14h 35m
Sun 25/1011:15 -
2 stops36h 00m
Deal found 7/9₹ 81,687

Find flight deals from Kathmandu to Colombo

Round-trip from

₹ 45,140

One-way from

₹ 30,786

Popular in

February

Cheapest in

May

Average price

₹ 54,490
Air India
  • Air India
  • 5/2-12/2
  • 2 total stops
  • 27h 40m total
  • Kathmandu to Colombo
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Air Arabia
  • Air Arabia
  • 13/12-31/12
  • 1 total stop
  • 15h 40m total
  • Kathmandu to Colombo
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (₹ 408,621 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 98,877 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Kathmandu to Colombo Bandaranaike Intl Airport that are best for you.

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Depart

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Price

Cheapest return flight

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Sun 13/12

22:20-13:45

1 stop15h 40m

Colombo Bandaranaike Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 30,786

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Mon 14/12

09:25-01:50

1 stop16h 40m

Colombo Bandaranaike Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 34,469

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Fri 5/2

17:10-07:20

1 stop14h 25m

Colombo Bandaranaike Intl

Fri 12/2

17:05-06:35

1 stop13h 15m

₹ 45,140

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Fri 16/10

08:45-02:20

1 stop17h 50m

Colombo Bandaranaike Intl

Thu 22/10

03:10-22:40

1 stop19h 15m

₹ 51,373
Fastest return journey

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Mon 14/12

19:40-10:15

2 stops14h 50m

Colombo Bandaranaike Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 68,466

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Mon 23/11

19:40-10:15

2 stops14h 50m

Colombo Bandaranaike Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

₹ 75,360

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Thu 15/10

09:05-10:15

2 stops49h 25m

Colombo Bandaranaike Intl

Thu 22/10

11:15-18:55

2 stops31h 25m

₹ 80,932

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Fri 16/10

09:05-10:15

2 stops49h 25m

Colombo Bandaranaike Intl

Thu 22/10

11:15-18:55

2 stops31h 25m

₹ 80,932

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Fri 16/10

07:00-01:05

1 stop18h 20m

Colombo Bandaranaike Intl

Wed 21/10

11:15-14:35

2 stops27h 05m

₹ 81,309

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Sat 17/10

19:55-10:15

2 stops14h 35m

Colombo Bandaranaike Intl

Sun 25/10

11:15-23:30

2 stops36h 00m

₹ 81,687

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Showing 1-10 of 16 resultsSorted by cheapest first
1
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Best time to book a flight from Kathmandu to Colombo

Have a flexible travel schedule? Discover the best time to fly to Colombo from Kathmandu with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Kathmandu to Colombo Bandaranaike Intl Airport

What is the cheapest month to book a flight from Kathmandu to Colombo Bandaranaike Intl Airport?

Currently, May is the cheapest month in which you can book a flight from Kathmandu to Colombo Bandaranaike Intl Airport (average of ₹ 22,192). Flying from Kathmandu to Colombo Bandaranaike Intl Airport in February is currently the most expensive (average of ₹ 58,739). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KTM to CMB?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kathmandu to Colombo Bandaranaike Intl Airport as you normally would.

How much does it cost for a return flight from Kathmandu to Colombo Bandaranaike Intl Airport?

Airfare is below average for this route at the moment.

Kathmandu to Colombo Bandaranaike Intl Airport flights typically cost between ₹ 51,279 and ₹ 57,606 in February.
The cheapest return price found within the last 5 days was ₹ 45,140 on Air India (5 Feb–12 Feb).

Reviews of airlines servicing Colombo

Read through reviews of airlines operating flights from Kathmandu to Colombo Bandaranaike Intl Airport, such as SriLankan Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
SriLankan Airlines
6.8
Okay
87 reviews
Check prices

Boarding

6.8

Comfort

6.8

Entertainment

6.2

Food

7.0

Crew

7.6

Overall

6.8

Reviews

1 / 1
8.0
Excellent

Anonymous,Jan 2024

CMB - SYD

It was ok. Not an excellent service for the cost paid
SriLankan Airlines
6.8
Okay
87 reviews
SriLankan Airlines
6.8
Okay
87 reviews
Check prices

Boarding

6.8

Comfort

6.8

Entertainment

6.2

Food

7.0

Crew

7.6

Overall

6.8

Reviews

1 / 1
8.0
Excellent

Anonymous,Jan 2024

CMB - SYD

It was ok. Not an excellent service for the cost paid

Related info for your journey

  • What airport do you fly from for flights from Kathmandu to Colombo Bandaranaike Intl?

    For a flight from Kathmandu to Colombo Bandaranaike Intl, you will be flying from Tribhuvan. Kathmandu Tribhuvan (KTM) is just 4.1 km from the centre of the city. Tribhuvan is the only Kathmandu airport and it handles 0 outbound flights to Colombo Bandaranaike Intl per day. 1 airline has flights to Colombo Bandaranaike Intl from Kathmandu Tribhuvan on a regular basis.

  • How long is the flight from Kathmandu to Colombo Bandaranaike Intl Airport?

    Air India, Air Arabia, and flydubai can get you from Kathmandu to Colombo Bandaranaike Intl Airport in just under 14h 25m. Your travel time can differ by up to 19h 30m. There are 2351 km between Kathmandu and Colombo Bandaranaike Intl Airport. Both multi-stop and direct flights can be found to your destination and back.

  • What is the cheapest airline to fly from Kathmandu to Colombo Bandaranaike Intl Airport round-trip?

    Currently priced at ₹ 46,417, SriLankan Airlines will fly you from Kathmandu to Colombo Bandaranaike Intl Airport and back. In addition to SriLankan Airlines, many other airlines offer competitively priced options for your trip. SriLankan Airlines is 1% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Kathmandu to Colombo that include hotel bookings?

    Yes. In addition to deals on Kathmandu to Colombo flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Kathmandu to Colombo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kathmandu to Colombo.

  • Can I find deals for business class flights from Kathmandu to Colombo?

    Yes. Cheapflights offers flight deals from Kathmandu to Colombo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kathmandu to Colombo Bandaranaike Intl Airport?

    Currently, May is the cheapest month in which you can book a flight from Kathmandu to Colombo Bandaranaike Intl Airport (average of ₹ 22,192). Flying from Kathmandu to Colombo Bandaranaike Intl Airport in February is currently the most expensive (average of ₹ 58,739). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Colombo Bandaranaike Intl Airport?

Book flights to Colombo Bandaranaike Intl Airport if you plan to visit one of these locations
Negombo

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Kathmandu to Colombo

AirlineCheapestAverageFlexibilityOn-time
SriLankan AirlinesCheapest₹ 46,417Average₹ 55,050FlexibilityNo cancel feeOn-time68%
Search SriLankan Airlines flights

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