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Cheap flights from Kathmandu to Colombo from ₹ 22,318

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Kathmandu to Colombo

Cheap return flights

Enter your travel dates to find the best prices.
Air India Logo
06:30 - 10:55KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
28h 40m1 stop New Delhi Indira Gandhi Intl
Air India Logo
12:15 - 22:55CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
10h 25m1 stop New Delhi Indira Gandhi Intl
₹ 55,077Air India
Sun, 25 Oct - Sun, 1 Nov
Air India Logo
10:05 - 18:15KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
8h 25m1 stop New Delhi Indira Gandhi Intl
Air India Logo
12:15 - 09:05CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
20h 35m1 stop New Delhi Indira Gandhi Intl
₹ 56,514Air India
Wed, 30 Dec - Sun, 3 Jan
Air India Logo
21:40 - 16:05KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
18h 40m1 stop New Delhi Indira Gandhi Intl
Air India Logo
17:05 - 13:55CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
20h 35m1 stop New Delhi Indira Gandhi Intl
₹ 60,249Air India
Fri, 6 Nov - Sun, 15 Nov
Multiple Airlines Logo
14:55 - 04:10KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
13h 30m1 stop New Delhi Indira Gandhi Intl
Multiple Airlines Logo
08:00 - 11:50CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
3h 35mdirect
₹ 63,985Multiple Airlines
Fri, 6 Nov - Sun, 15 Nov
Multiple Airlines Logo
12:50 - 16:10KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
3h 35mdirect
Multiple Airlines Logo
12:15 - 22:55CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
10h 25m1 stop New Delhi Indira Gandhi Intl
₹ 68,295Multiple Airlines
Sun, 25 Oct - Sun, 1 Nov
SriLankan Airlines Logo
12:50 - 16:10KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
3h 35mdirect
SriLankan Airlines Logo
08:00 - 11:50CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
3h 35mdirect
₹ 80,460SriLankan Airlines
Sun, 25 Oct - Sun, 1 Nov
flydubai Logo
19:55 - 08:10KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
12h 30m1 stop Dubai Intl
flydubai Logo
11:15 - 18:40CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
31h 10m2 stops Male Dubai Intl
₹ 81,322flydubai
Thu, 22 Oct - Thu, 5 Nov
flydubai Logo
19:40 - 10:15KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
38h 50m2 stops Dubai Intl Male
flydubai Logo
01:45 - 23:30CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
21h 30m1 stop Dubai Intl
₹ 81,514flydubai
Fri, 6 Nov - Sat, 14 Nov
flydubai Logo
19:40 - 10:15KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
14h 50m2 stops Dubai Intl Male
flydubai Logo
11:15 - 18:40CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
31h 10m2 stops Male Dubai Intl
₹ 81,993flydubai
Fri, 6 Nov - Sun, 15 Nov
Multiple Airlines Logo
17:10 - 04:10KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
11h 15m1 stop New Delhi Indira Gandhi Intl
Multiple Airlines Logo
20:50 - 15:05CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
18h 00m2 stops Shanghai Pu Dong Kunming Changshui
₹ 85,728Multiple Airlines
Sun, 25 Oct - Sun, 1 Nov

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Air India flights from Kathmandu to Colombo Bandaranaike Intl Airport

Our best Air India deals on Kathmandu to Colombo Bandaranaike Intl Airport flight tickets
Air India
1 Oct
KTM06:30Kathmandu Tribhuvan
9h 50m
1 stop
CMB16:05Colombo Bandaranaike Intl
7 Oct
CMB05:00Colombo Bandaranaike Intl
25h 20m
1 stop
KTM06:35Kathmandu Tribhuvan
₹ 52,874
Air India
25 Oct
KTM06:30Kathmandu Tribhuvan
28h 40m
1 stop
CMB10:55Colombo Bandaranaike Intl
1 Nov
CMB12:15Colombo Bandaranaike Intl
10h 25m
1 stop
KTM22:55Kathmandu Tribhuvan
₹ 55,077
Air India
30 Dec
KTM10:05Kathmandu Tribhuvan
8h 25m
1 stop
CMB18:15Colombo Bandaranaike Intl
3 Jan
CMB12:15Colombo Bandaranaike Intl
20h 35m
1 stop
KTM09:05Kathmandu Tribhuvan
₹ 56,514

SriLankan Airlines flights from Kathmandu to Colombo Bandaranaike Intl Airport

Our best SriLankan Airlines deals on Kathmandu to Colombo Bandaranaike Intl Airport flight tickets
SriLankan Airlines
1 Oct
KTM13:15Kathmandu Tribhuvan
3h 35m
CMB16:35Colombo Bandaranaike Intl
7 Oct
CMB08:45Colombo Bandaranaike Intl
3h 40m
KTM12:40Kathmandu Tribhuvan
₹ 49,904
SriLankan Airlines
25 Oct
KTM12:50Kathmandu Tribhuvan
3h 35m
CMB16:10Colombo Bandaranaike Intl
1 Nov
CMB08:00Colombo Bandaranaike Intl
3h 35m
KTM11:50Kathmandu Tribhuvan
₹ 80,460
SriLankan Airlines
1 Oct
KTM13:15Kathmandu Tribhuvan
3h 35m
CMB16:35Colombo Bandaranaike Intl
4 Oct
CMB08:20Colombo Bandaranaike Intl
3h 40m
KTM12:15Kathmandu Tribhuvan
₹ 84,387

momondo 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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Cheapest return flight

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Sun 25/10

06:30-10:55

1 stop28h 40m

Colombo Bandaranaike Intl

Sun 1/11

12:15-22:55

1 stop10h 25m

₹ 55,077

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Wed 30/12

10:05-18:15

1 stop8h 25m

Colombo Bandaranaike Intl

Sun 3/1

12:15-09:05

1 stop20h 35m

₹ 56,514

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Fri 6/11

21:40-16:05

1 stop18h 40m

Colombo Bandaranaike Intl

Sun 15/11

17:05-13:55

1 stop20h 35m

₹ 60,249

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Fri 6/11

14:55-04:10

1 stop13h 30m

Colombo Bandaranaike Intl

Sun 15/11

08:00-11:50

Nonstop3h 35m

₹ 63,985

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Sun 25/10

12:50-16:10

Nonstop3h 35m

Colombo Bandaranaike Intl

Sun 1/11

12:15-22:55

1 stop10h 25m

₹ 68,295
Fastest return journey

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Sun 25/10

12:50-16:10

Nonstop3h 35m

Colombo Bandaranaike Intl

Sun 1/11

08:00-11:50

Nonstop3h 35m

₹ 80,460

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Thu 22/10

19:55-08:10

1 stop12h 30m

Colombo Bandaranaike Intl

Thu 5/11

11:15-18:40

2 stops31h 10m

₹ 81,322

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Fri 6/11

19:40-10:15

2 stops38h 50m

Colombo Bandaranaike Intl

Sat 14/11

01:45-23:30

1 stop21h 30m

₹ 81,514

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Fri 6/11

19:40-10:15

2 stops14h 50m

Colombo Bandaranaike Intl

Sun 15/11

11:15-18:40

2 stops31h 10m

₹ 81,992

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Sun 25/10

17:10-04:10

1 stop11h 15m

Colombo Bandaranaike Intl

Sun 1/11

20:50-15:05

2 stops18h 00m

₹ 85,728

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Colombo from

How to get the cheapest flight ticket from Kathmandu to Colombo Bandaranaike Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Kathmandu and Colombo Bandaranaike Intl Airport?

Prices are currently high for flights on this route.

Typical prices usually range from ₹ 18,870 to ₹ 52,491.
The lowest price recently found on this route was ₹ 55,077.

What is the cheapest month to fly to Colombo Bandaranaike Intl Airport?

In general, May is the cheapest month to fly from Kathmandu to Colombo Bandaranaike Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around ₹ 22,510. If you’re not able to fly to Colombo Bandaranaike Intl Airport in May, then October is your next best option. Flight prices from Kathmandu to Colombo Bandaranaike Intl Airport during October average around ₹ 38,602.

What is the cheapest day to depart on your flight to Colombo Bandaranaike Intl Airport?

The cheapest day to depart from Kathmandu to Colombo Bandaranaike Intl Airport is on a Thursday when prices can be found for as low as ₹ 55,836. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Colombo Bandaranaike Intl Airport on Wednesday is ₹ 79,017.

What is the cheapest Kathmandu Tribhuvan to Colombo Bandaranaike Intl flight route?

Fly from Kathmandu Tribhuvan to Colombo Bandaranaike Intl for the best Kathmandu Tribhuvan - Colombo Bandaranaike Intl flight prices

What cabin class options are available on Kathmandu to Colombo Bandaranaike Intl Airport flights?

There is only 1 cabin class available to choose from on Kathmandu to Colombo Bandaranaike Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Kathmandu to Colombo Bandaranaike Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Kathmandu to Colombo Bandaranaike Intl Airport.

How have Kathmandu to Colombo Bandaranaike Intl Airport flight prices changed over time?

As of September 2026, prices for Kathmandu to Colombo Bandaranaike Intl Airport flights are approximately 32% more expensive when compared to flights at the same time last year.

When to book flights from Kathmandu to Colombo Bandaranaike Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Kathmandu to Colombo Bandaranaike Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Kathmandu to Colombo Bandaranaike Intl Airport (KTM to CMB) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Colombo Bandaranaike Intl Airport

Best price found

₹ 22,318

Direct flights

Mon, Tue, Thu and Fri
The best one-way flight to Colombo Bandaranaike Intl Airport from Kathmandu in the past 72 hours is ₹ 22,318. The best return flight deal from Kathmandu to Colombo Bandaranaike Intl Airport found on momondo in the last 72 hours is ₹ 55,077.
Direct flights go from Kathmandu to Colombo Bandaranaike Intl Airport on Monday, Tuesday, Thursday and Friday. There are no airlines offering direct flights..
Search flight deals

Frequently asked questions about flying from Kathmandu to Colombo Bandaranaike Intl Airport

  • How far is Kathmandu Tribhuvan to Colombo Bandaranaike Intl by plane?

    The distance between Kathmandu Tribhuvan and Colombo Bandaranaike Intl is about 2352.7 km.

  • When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Colombo Bandaranaike Intl Airport?

    Prices for flights from Kathmandu Tribhuvan Airport to Colombo Bandaranaike Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Kathmandu Tribhuvan Airport to Colombo Bandaranaike Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kathmandu Tribhuvan Airport to Colombo Bandaranaike Intl Airport.

  • What documentation or ID do you need to fly to Colombo Bandaranaike Intl Airport?

    The required travel and health documents for your Colombo Bandaranaike Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Colombo Bandaranaike Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Kathmandu to Colombo Bandaranaike Intl Airport?

Travelling to a place near Colombo?

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Why use momondo?

Why should I use momondo to find a flight deal from Kathmandu to Colombo?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kathmandu to Colombo . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Kathmandu to Colombo with flexible booking policies on momondo?

Yes. All flights to Colombo from Kathmandu on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Kathmandu to Colombo?

Once all potential Kathmandu to Colombo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Kathmandu to Colombo right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Colombo from Kathmandu. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Kathmandu flight routes

Flights from Kathmandu Tribhuvan to New Delhi Indira Gandhi Intl