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Cheap flights from Kathmandu to Colombo Bandaranaike Intl Airport from £241

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

Fri 16/1006:30 -
1 stop21h 45m
Fri 23/1017:05 -
1 stop6h 45m
Deal found 4/9£387
Fri 16/1008:45 -
1 stop17h 50m
Thu 22/1003:10 -
1 stop19h 15m
Deal found 5/9£402
Fri 16/1014:05 -
2 stops21h 30m
Fri 23/1013:30 -
2 stops20h 05m
Deal found 4/9£471
Fri 16/1000:35 -
2 stops33h 55m
Wed 21/1002:05 -
1 stop16h 35m
Deal found 5/9£634
Wed 14/1015:35 -
1 stop16h 50m
Wed 21/1011:15 -
2 stops31h 25m
Deal found 5/9£637
Sat 17/1019:55 -
2 stops14h 35m
Sun 25/1011:15 -
2 stops36h 00m
Deal found 7/9£640
Sun 18/1021:25 -
1 stop23h 35m
Wed 21/1021:45 -
1 stop14h 50m
Deal found 5/9£765
Thu 10/909:05 -
2 stops25h 25m
Sat 12/911:15 -
2 stops20h 35m
Deal found 3/9£1,071

Find flight deals from Kathmandu to Colombo

Round-trip from

£387

One-way from

£241

Popular in

February

Cheapest in

May

Average price

£427

Good one-way deal

£175 or less
Air India
  • Air India
  • 16/10-23/10
  • 2 total stops
  • 28h 30m 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 (£24 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
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Average for round-trip flights in September 2026
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Price to beat on a one-way flight from Kathmandu Tribhuvan to Colombo Bandaranaike Intl.
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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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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

£241

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

£270

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

£402

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Fri 16/10

14:05-11:20

2 stops21h 30m

Colombo Bandaranaike Intl

Fri 23/10

13:30-09:50

2 stops20h 05m

£471
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

£536

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

£590

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

£634

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

£634

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

£640

KathmanduColombo

KTM Kathmandu Tribhuvan - CMB Colombo Bandaranaike Intl

KTMCMB

Kathmandu Tribhuvan

Sun 22/11

15:00-10:15

2 stops19h 30m

Colombo Bandaranaike Intl

Fri 4/12

11:15-14:00

2 stops26h 30m

£1,071

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Showing 1-10 of 15 resultsSorted by cheapest first
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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 £174). Flying from Kathmandu to Colombo Bandaranaike Intl Airport in February is currently the most expensive (average of £460). 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?

When flying from Kathmandu to Colombo Bandaranaike Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 £402 and £451 in October.
The cheapest return price found within the last 5 days was £387 on Air India (16 Oct–23 Oct).

Related info for your journey

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

    Kathmandu Tribhuvan (KTM), located 2.5 mi from the city center, is the airport you fly out of when you book flights from Kathmandu to Colombo Bandaranaike Intl. 0 airlines have flights from Tribhuvan to Colombo Bandaranaike Intl on a regular basis. Booking flights from Kathmandu Tribhuvan to Colombo Bandaranaike Intl should not be difficult; the airport handles an average of 0 outbound flights to Colombo Bandaranaike Intl per day.

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

    Departing from Kathmandu to Colombo Bandaranaike Intl Airport will take you 49h 25m. Kathmandu and Colombo Bandaranaike Intl Airport are separated by a distance of 1461 mi.

  • 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 £174). Flying from Kathmandu to Colombo Bandaranaike Intl Airport in February is currently the most expensive (average of £460). 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

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