KTM - CMB

£149 Find Cheap Flights from Kathmandu to Colombo – Compare and Save

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Everything you should know

Cheapest return flight
£376
Typical prices: £340-£418
IndiGo
Sun 18/3Tue 27/3
KTM - CMB • 1 stop
Cheapest one-way flight
£149
Typical prices: £149-£268
SriLankan Airlines
Sat 20/1
KTM - CMB • Direct
Direct flights
4 days a week
You can fly direct with SriLankan Airlines. Average duration is 3h 35m
Direct flights
+1
Direct flights
+1
When to travel
May
Cheapest • 15% price drop
January
Most popular
Good to know
+1
Good to know
+1
Top stopover airports
New Delhi Indira Gandhi Intl (DEL)
Cheapest • Avg £387 (return)
Bangkok Suvarnabhumi (BKK)
Shortest trip • 10h 57m (one-way)
Insights
Insights
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We hope you enjoy your trip to Colombo Bandaranaike Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Kathmandu to Colombo (KTM-CMB)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Kathmandu to Colombo

Thu, 18 Mar - Sat, 27 Mar
IndiGo Logo
20:50 - 18:30KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
21h 55m1 stop New Delhi Indira Gandhi Intl
IndiGo Logo
20:05 - 09:50CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
13h 30m1 stop New Delhi Indira Gandhi Intl
£376IndiGo
Fri, 13 Nov - Fri, 20 Nov
IndiGo Logo
20:50 - 18:30KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
21h 55m1 stop New Delhi Indira Gandhi Intl
IndiGo Logo
20:05 - 12:55CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
16h 35m1 stop New Delhi Indira Gandhi Intl
£447IndiGo
Wed, 11 Nov - Sat, 14 Nov
Air Arabia Logo
09:25 - 01:50KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
16h 40m1 stop Sharjah
Air Arabia Logo
02:40 - 21:40CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
18h 45m1 stop Sharjah
£472Air Arabia
Mon, 9 Nov - Sun, 15 Nov
China Eastern Logo
16:05 - 21:35KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
29h 45m1 stop Kunming Changshui
China Eastern Logo
20:50 - 15:05CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
18h 00m2 stops Shanghai Pu Dong Kunming Changshui
£713China Eastern
Tue, 17 Nov - Sun, 29 Nov
flydubai Logo
07:35 - 10:15KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
26h 55m2 stops Dubai Intl Male
flydubai Logo
11:15 - 06:35CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
43h 05m2 stops Male Dubai Intl
£1,011flydubai
Sun, 29 Nov - Sun, 6 Dec
flydubai Logo
09:20 - 10:15KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
49h 10m2 stops Dubai Intl Male
flydubai Logo
11:15 - 06:35CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
19h 05m2 stops Male Dubai Intl
£1,014flydubai
Tue, 17 Nov - Sat, 28 Nov
flydubai Logo
07:35 - 10:15KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
26h 55m2 stops Dubai Intl Male
flydubai Logo
11:15 - 08:20CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
44h 50m2 stops Male Dubai Intl
£1,054flydubai
Wed, 2 Dec - Thu, 31 Dec
flydubai Logo
19:40 - 10:15KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
14h 50m2 stops Dubai Intl Male
flydubai Logo
11:15 - 08:20CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
20h 50m2 stops Male Dubai Intl
£1,056flydubai
Thu, 12 Nov - Thu, 19 Nov
flydubai Logo
07:35 - 00:45KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
41h 25m1 stop Dubai Intl
flydubai Logo
11:15 - 06:35CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
19h 05m2 stops Male Dubai Intl
£1,056flydubai
Thu, 18 Mar - Sat, 27 Mar
flydubai Logo
15:00 - 10:15KTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
19h 30m2 stops Dubai Intl Male
flydubai Logo
11:15 - 08:05CMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
20h 35m2 stops Male Dubai Intl
£1,057flydubai
Booking Insights

Price, demand, and travel trends for Kathmandu to Colombo Bandaranaike Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a return flight from Kathmandu to Colombo Bandaranaike Intl Airport?

Return flights from Kathmandu to Colombo Bandaranaike Intl Airport typically range from £340 to £418. The lowest price found in the past 5 days was £376 on IndiGo.

What's the cheapest day of the week to fly from Kathmandu to Colombo Bandaranaike Intl Airport?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Kathmandu to Colombo Bandaranaike Intl Airport. It’s 8% cheaper than the average day, while Tuesday is the most expensive, with prices 11% higher.

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

•May is the cheapest month to fly from Kathmandu to Colombo Bandaranaike Intl Airport at £329 return.
•November (£446) and July (£422) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 35% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

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Expert advice

Expert advice for your flight from Kathmandu to Colombo

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on KTM

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on CMB

An avid traveller and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg, among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Key details for Kathmandu to Colombo Bandaranaike Intl Airport flights

Low season

October

Cheapest flight

£149
Beat the crowds with an average 52% drop in traveller numbers.
The most popular month to fly with an average 71% increase in traveller numbers.
One-way flight from Kathmandu to Colombo Bandaranaike Intl Airport

When to book flights from Kathmandu to Colombo

Are your dates flexible? Find out the best times to travel from Kathmandu to Colombo based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price

Your Kathmandu to Colombo Bandaranaike Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from Kathmandu to Colombo Bandaranaike Intl Airport?

    These are the earliest and latest flight times available from Kathmandu to Colombo Bandaranaike Intl Airport:

    • Earliest: departs at 12:50 and lands at 16:25
    • Latest: departs at 13:40 and lands at 17:15.

    The flight takes about 3h 35m.

  • Which cabin classes can I book on flights from Kathmandu to Colombo Bandaranaike Intl Airport?

    Only Economy class is available on flights from Kathmandu to Colombo Bandaranaike Intl Airport.

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

    A direct flight from Kathmandu to Colombo Bandaranaike Intl Airport takes 3h 35m, covering 1,461 miles.

  • Do I need a passport to fly from Kathmandu to Colombo Bandaranaike Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Kathmandu to Colombo Bandaranaike Intl Airport flight?

    Return flights from Kathmandu to Colombo Bandaranaike Intl Airport range from £340 to £418, with an average of £387 over the past 12 months. Anything below £340 counts as a good deal.

  • How much can I save by having a stopover when flying from Kathmandu to Colombo Bandaranaike Intl Airport?

    On this route, stopover flights are cheaper than direct options on average. Stopover fares average £387 return via New Delhi Indira Gandhi Intl (DEL), compared with £411 for direct.

  • Which aircraft model is used most often on flights from Kathmandu to Colombo Bandaranaike Intl Airport?

    The Airbus A320 (sharklets) family is used most often on this route, operated mainly by SriLankan Airlines. Other aircraft seen on the route include Boeing 787-8 Dreamliner variants.

  • How are flight departures from Kathmandu to Colombo Bandaranaike Intl Airport spread across the day?

    Afternoon is the busiest departure period on Kathmandu to Colombo Bandaranaike Intl Airport flights, with 100% leaving in that window. Morning departures account for 0%, Evening flights for 0%, and Night flights for 0%.

  • How are flight prices from Kathmandu to Colombo Bandaranaike Intl Airport looking right now?

    One-way fares from Kathmandu to Colombo Bandaranaike Intl Airport are currently lower than usual. Average one-way flight prices are about £174, which is 15% below the typical average for this route.

  • Which car hire options are available at Colombo Bandaranaike Intl Airport (CMB)?

    Colombo Bandaranaike Intl Airport (CMB) hosts 5 major car hire companies, with daily rates starting from around £16 for economy cars. Top options include:

    • GREEN MOTION
    • Xdrive Mobility
    • Ace
    • AcaRent
    • SR RENT A CAR

  • Which airports can I use when flying from Kathmandu to Colombo Bandaranaike Intl Airport?

    Flights from Kathmandu to Colombo Bandaranaike Intl Airport usually depart from Kathmandu Tribhuvan (KTM) and arrive at Colombo Bandaranaike Intl (CMB).

  • Which airports do connecting flights from Kathmandu to Colombo Bandaranaike Intl Airport pass through?

    One-stop flights from Kathmandu to Colombo Bandaranaike Intl Airport most commonly connect through:

    • New Delhi Indira Gandhi Intl (DEL) – 93% of one-stop connections
    • Sharjah (SHJ) – 5% of one-stop connections
    • Bangkok Suvarnabhumi (BKK) – 2% of one-stop connections

  • Can I save money by using flexible dates for flights from Kathmandu to Colombo Bandaranaike Intl Airport?

    Yes. Flexible dates can save you up to 18% on flights from Kathmandu to Colombo Bandaranaike Intl Airport. Wednesday is the cheapest departure day at £357 return on average, while Tuesday is the most expensive at £431, a difference of £74.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from Kathmandu to Colombo Bandaranaike Intl Airport?

    Only SriLankan Airlines operates flights between Kathmandu and Colombo Bandaranaike Intl Airport.

  • How much time can I save by choosing a different stopover airport from Kathmandu to Colombo Bandaranaike Intl Airport?

    Flying via New Delhi Indira Gandhi Intl (DEL) gives the shortest average 1-stop total travel time of 9h 58m, compared to 10h 57m via Bangkok Suvarnabhumi (BKK) and 19h 39m via Sharjah (SHJ).

  • Which airlines include bags at no extra cost on Kathmandu to Colombo Bandaranaike Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • SriLankan Airlines: a cabin bag and a checked bag in Economy class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking Kathmandu to Colombo Bandaranaike Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Tuesday. On this route, Wednesday flights average £357, about £74 less than Tuesday fares (17% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Kathmandu to Colombo Bandaranaike Intl Airport trip for May. Fares historically average £329 return in that month – typically £117 less than the most expensive month, which is November (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through New Delhi Indira Gandhi Intl Airport (DEL) can be cheaper than flying direct. The cheapest stopover option averages £387 return on this route – about £25 less than direct flights (based on the last 12 months).

Prefer to fly direct from Kathmandu to Colombo?

 
Find which airlines fly direct from Kathmandu Tribhuvan Airport to Colombo Bandaranaike Intl Airport, which days they fly and book direct flights.

Direct departures

Kathmandu Tribhuvan to Colombo Bandaranaike Intl

Monday

SriLankan Airlines

SriLankan Airlines

Wednesday

SriLankan Airlines

SriLankan Airlines

Thursday

SriLankan Airlines

SriLankan Airlines

Sunday

SriLankan Airlines

SriLankan Airlines

See more direct flights

Direct returns

Colombo Bandaranaike Intl to Kathmandu Tribhuvan

Monday

SriLankan Airlines

SriLankan Airlines

Wednesday

SriLankan Airlines

SriLankan Airlines

Thursday

SriLankan Airlines

SriLankan Airlines

Sunday

SriLankan Airlines

SriLankan Airlines

See more direct flights

More options for your flight from Kathmandu to Colombo

Complete your trip to Colombo with a hotel stay or car hire

Car hire in Colombo
Hotels in Colombo
Holidays in Colombo