KTM - CMB

$201 Find Cheap Flights from Kathmandu to Colombo - Compare and Save

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Everything you should know

Cheapest round-trip
$447
Typical prices: $453-$556
SriLankan Airlines, Air India
Thu 1/18Thu 2/15
KTM - CMB • Non-stop
Cheapest non-stop
$534
Typical prices: $528-$574
SriLankan Airlines
Sun 11/11Thu 11/15
KTM - CMB • Non-stop
Nonstop flights
You can fly direct with SriLankan Airlines. Average duration is 3h 35m
Direct flights
+1
Direct flights
+1
When to travel
Cheapest • 15% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $515 (round-trip)
Shortest trip • 10h 57m (one-way)
Insights
Insights
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We hope you love 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 round-trip flight deals from Kathmandu to Colombo

Mon, Jan 18 - Mon, Feb 15
Multiple Airlines Logo
12:50 pm - 4:10 pmKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
3h 35mnonstop
Multiple Airlines Logo
5:05 pm - 6:35 amCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
13h 15m1 stop New Delhi Indira Gandhi Intl
$447Multiple Airlines
Mon, Jan 18 - Tue, Feb 16
Multiple Airlines Logo
12:50 pm - 4:10 pmKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
3h 35mnonstop
Multiple Airlines Logo
12:00 pm - 10:55 pmCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
10h 40m1 stop New Delhi Indira Gandhi Intl
$447Multiple Airlines
Mon, Feb 1 - Wed, Feb 10
Multiple Airlines Logo
12:50 pm - 4:10 pmKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
3h 35mnonstop
Multiple Airlines Logo
12:00 pm - 10:55 pmCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
10h 40m1 stop New Delhi Indira Gandhi Intl
$448Multiple Airlines
Mon, Feb 1 - Wed, Feb 10
Multiple Airlines Logo
12:50 pm - 4:10 pmKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
3h 35mnonstop
Multiple Airlines Logo
12:00 pm - 10:55 pmCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
10h 40m1 stop New Delhi Indira Gandhi Intl
$452Multiple Airlines
Sat, Jan 16 - Sat, Jan 23
Air India Logo
7:35 am - 4:05 pmKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
8h 45m1 stop New Delhi Indira Gandhi Intl
Air India Logo
12:00 pm - 9:05 amCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
20h 50m1 stop New Delhi Indira Gandhi Intl
$454Air India
Tue, Jan 19 - Wed, Jan 27
Air India Logo
6:30 am - 4:05 pmKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
9h 50m1 stop New Delhi Indira Gandhi Intl
Air India Logo
7:15 pm - 6:35 amCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
11h 05m1 stop New Delhi Indira Gandhi Intl
$465Air India
Mon, Feb 1 - Wed, Feb 10
Air India Logo
7:35 am - 4:05 pmKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
8h 45m1 stop New Delhi Indira Gandhi Intl
Air India Logo
7:15 pm - 9:05 amCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
13h 35m1 stop New Delhi Indira Gandhi Intl
$474Air India
Wed, Nov 11 - Sun, Nov 15
SriLankan Airlines Logo
1:40 pm - 5:00 pmKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
3h 35mnonstop
SriLankan Airlines Logo
8:00 am - 11:50 amCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
3h 35mnonstop
$534SriLankan Airlines
Thu, Jan 21 - Mon, Jan 25
SriLankan Airlines Logo
12:50 pm - 4:10 pmKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
3h 35mnonstop
SriLankan Airlines Logo
8:00 am - 11:50 amCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
3h 35mnonstop
$535SriLankan Airlines
Wed, Jan 20 - Sun, Jan 24
SriLankan Airlines Logo
1:40 pm - 5:00 pmKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
3h 35mnonstop
SriLankan Airlines Logo
8:00 am - 11:50 amCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
3h 35mnonstop
$535SriLankan Airlines
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.

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’s 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 $438 round-trip.
•November ($594) and July ($562) 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.

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.

Ramsey Qubein

Ramsey Qubein

Expert on CMB

An avid traveler 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.

Key details for Kathmandu to Colombo Bandaranaike Intl Airport flights

Low season

October

Cheapest flight

$201
Beat the crowds with an average 52% drop in travelers.
The most popular month to fly with an average 71% increase in travelers.
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 round-trip 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 pm and lands at 4:25 pm
    • Latest: departs at 1:40 pm and lands at 5:15 pm.

    The flight takes about 3h 35m.

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

    Two cabin classes are available on flights from Kathmandu to Colombo Bandaranaike Intl Airport:

    • Economy Class
    • Premium Economy Class

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

    A nonstop 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?

    Round-trip flights from Kathmandu to Colombo Bandaranaike Intl Airport range from $453 to $556, with an average of $515 over the past 12 months. Anything below $453 counts as a good deal.

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

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $515 round-trip via New Delhi Indira Gandhi Intl (DEL), compared to $548 for nonstop.

  • 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% of flights leaving in that window. Morning departures account for 0%, evening flights for 0%, and night flights for 0%.

  • Have flight prices from Kathmandu to Colombo Bandaranaike Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $447 to $3,609. That means the highest observed fare was about 8x higher than the lowest one.

  • 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 $238, which is 12% below the typical average for this route.

  • What car rental options are available at Colombo Bandaranaike Intl Airport (CMB)?

    Colombo Bandaranaike Intl Airport (CMB) hosts 5 major car rental companies, with daily rates averaging $44 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 $476 round-trip on average, while Tuesday is the most expensive at $574, a difference of $98.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What 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 layover 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 at 9h 58m, compared with 10h 57m via Bangkok Suvarnabhumi (BKK) and 19h 39m via Sharjah (SHJ).

  • What popular places can I visit in Colombo Bandaranaike Intl Airport?

    Pettah Market is one of the most viewed places in Colombo Bandaranaike Intl Airport on KAYAK.

  • 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

    Bag 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 $476, about $98 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 $438 round-trip in that month - typically $156 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 layover option averages $515 round-trip on this route - about $33 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 rental