CMB - KTM

$217 Find Cheap Flights from Colombo to Kathmandu - Compare and Save

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Everything you should know

Cheapest round-trip
$454
Typical prices: $434-$558
Air India
Fri 3/9Fri 3/16
CMB - KTM • 1 stop
Cheapest non-stop
$612
Typical prices: $436-$577
SriLankan Airlines
Sun 3/11Wed 3/14
CMB - KTM • Non-stop
Nonstop 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
June
Cheapest • 19% price drop
August
Most popular
Good to know
+1
Good to know
+1
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We hope you love your trip to Kathmandu!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Colombo to Kathmandu (CMB-KTM)

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

Recent round-trip flight deals from Colombo to Kathmandu

Tue, Mar 9 - Tue, Mar 16
Air India Logo
5:10 am - 1:55 pmCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
8h 30m1 stop New Delhi Indira Gandhi Intl
Air India Logo
9:40 pm - 10:55 amKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
13h 30m1 stop New Delhi Indira Gandhi Intl
$454Air India
Sun, Feb 14 - Fri, Feb 19
IndiGo Logo
8:05 pm - 9:45 amCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
13h 25m1 stop New Delhi Indira Gandhi Intl
IndiGo Logo
2:05 pm - 6:30 pmKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
28h 40m1 stop New Delhi Indira Gandhi Intl
$470IndiGo
Sun, Mar 7 - Thu, Mar 18
Multiple Airlines Logo
5:05 pm - 6:35 pmCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
25h 15m1 stop New Delhi Indira Gandhi Intl
Multiple Airlines Logo
12:50 pm - 4:10 pmKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
3h 35mnonstop
$504Multiple Airlines
Wed, Mar 10 - Wed, Mar 17
Multiple Airlines Logo
12:00 pm - 7:50 pmCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
7h 35m1 stop New Delhi Indira Gandhi Intl
Multiple Airlines Logo
1:40 pm - 5:00 pmKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
3h 35mnonstop
$508Multiple Airlines
Fri, Mar 12 - Wed, Mar 17
Air India Logo
12:00 pm - 8:40 pmCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
8h 25m1 stop New Delhi Indira Gandhi Intl
Air India Logo
9:40 pm - 4:10 amKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
6h 45m1 stop New Delhi Indira Gandhi Intl
$511Air India
Fri, Mar 12 - Tue, Mar 16
Air India Logo
12:00 pm - 8:40 pmCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
8h 25m1 stop New Delhi Indira Gandhi Intl
Air India Logo
9:40 pm - 4:10 amKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
6h 45m1 stop New Delhi Indira Gandhi Intl
$512Air India
Mon, Mar 8 - Mon, Mar 15
Air India Logo
12:00 pm - 6:35 amCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
18h 20m1 stop New Delhi Indira Gandhi Intl
Air India Logo
9:40 pm - 10:55 amKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
13h 30m1 stop New Delhi Indira Gandhi Intl
$514Air India
Thu, Mar 11 - Sun, Mar 14
SriLankan Airlines Logo
8:00 am - 11:50 amCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
3h 35mnonstop
SriLankan Airlines Logo
12:50 pm - 4:10 pmKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
3h 35mnonstop
$612SriLankan Airlines
Wed, Mar 10 - Wed, Mar 17
SriLankan Airlines Logo
8:50 am - 12:40 pmCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
3h 35mnonstop
SriLankan Airlines Logo
1:40 pm - 5:00 pmKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
3h 35mnonstop
$612SriLankan Airlines
Thu, Mar 11 - Wed, Mar 17
SriLankan Airlines Logo
8:00 am - 11:50 amCMB  Colombo Bandaranaike Intl-KTM Kathmandu Tribhuvan
3h 35mnonstop
SriLankan Airlines Logo
1:40 pm - 5:00 pmKTM  Kathmandu Tribhuvan-CMB Colombo Bandaranaike Intl
3h 35mnonstop
$612SriLankan Airlines
Booking Insights

Price, demand and travel trends for Colombo Bandaranaike Intl Airport to Kathmandu 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 round-trip flight from Colombo Bandaranaike Intl Airport to Kathmandu?

Round-trip flights from Colombo Bandaranaike Intl Airport to Kathmandu typically range from $434 to $558. The lowest price found in the past 5 days was $454, on Air India.

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

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Colombo Bandaranaike Intl Airport to Kathmandu. It’s 10% cheaper than the average day, while Sunday is the most expensive, with prices 11% higher.

Find deals
Expert advice

Expert advice for your flight from Colombo to Kathmandu

 
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 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.

Read more

Key details for Colombo Bandaranaike Intl Airport to Kathmandu flights

Low season

February

Cheapest flight

$217
Beat the crowds with an average 51% drop in travelers.
The most popular month to fly with an average 30% increase in travelers.
One-way flight from Colombo Bandaranaike Intl Airport to Kathmandu

When to book flights from Colombo to Kathmandu

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

Your Colombo Bandaranaike Intl Airport to Kathmandu 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 Colombo Bandaranaike Intl Airport to Kathmandu?

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

    • Earliest: departs at 8:00 am and lands at 11:35 am
    • Latest: departs at 8:50 am and lands at 12:25 pm.

    The flight takes about 3h 35m.

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

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

    • Economy Class
    • Premium Economy Class

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

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

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

    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 Colombo Bandaranaike Intl Airport to Kathmandu flight?

    Round-trip flights from Colombo Bandaranaike Intl Airport to Kathmandu range from $434 to $558, with an average of $492 over the past 12 months. Anything below $434 counts as a good deal.

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

    On this route, nonstop and layover fares are close on average, with nonstop at $532 round-trip and layover options via New Delhi Indira Gandhi Intl (DEL) at $519.

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

    The Airbus A320 (sharklets) family is used most often on this route, operated mainly by SriLankan Airlines. Other aircraft seen on the route include Airbus A320-100/200 variants.

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

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

  • Have flight prices from Colombo Bandaranaike Intl Airport to Kathmandu 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 $454 to $1,053. That means the highest observed fare was about 2x higher than the lowest one.

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

    One-way fares from Colombo Bandaranaike Intl Airport to Kathmandu are currently in line with typical prices for this route. Average one-way fares are about $264.

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

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

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

    Most connecting flights from Colombo Bandaranaike Intl Airport to Kathmandu pass through New Delhi Indira Gandhi Intl (DEL), which handles 100% of one-stop traffic on this route.

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

    Yes. Flexible dates can save you up to 19% on flights from Colombo Bandaranaike Intl Airport to Kathmandu. Tuesday is the cheapest departure day at $445 round-trip on average, while Sunday is the most expensive at $549, a difference of $104.

    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 Colombo Bandaranaike Intl Airport to Kathmandu?

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

  • What popular places can I visit in Kathmandu?

    Garden of Dreams is one of the most viewed places in Kathmandu on KAYAK.

  • Which airlines include bags at no extra cost on Colombo Bandaranaike Intl Airport to Kathmandu 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 Colombo Bandaranaike Intl Airport to Kathmandu 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 Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $445, about $104 less than Sunday fares (19% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Colombo Bandaranaike Intl Airport to Kathmandu trip for June. Fares historically average $400 round-trip in that month - typically $211 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 $519 round-trip on this route - about $13 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Kathmandu Tribhuvan Airport.

    • The Everest Hotel Kathmandu
    • Vannasut Hotel and Spa
    • Hotel Tibet International

Prefer to fly direct from Colombo to Kathmandu?

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

Direct departures

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

Direct returns

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

More options for your flight from Colombo to Kathmandu

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