S$307 Cheap Flights from Kathmandu to Colombo

View S$307 flight on Sun, 21 Sept, 2025Opens in a new window

Popular airlines from Tribhuvan Intl. Airport (KTM) to Bandaranaike Intl. Airport (CMB)

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Cheap Flights from Kathmandu to Colombo (KTM-CMB)

Prices were available within the past 7 days and start at S$307 for one-way flights and S$608 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Thu, 18 Sept - Wed, 1 Oct
KTM
Kathmandu
CMB
Colombo
S$608 Return, found 5 days ago
S$608
Return
found 5 days ago
Select Air India flight, departing Thu, 18 Sept from Kathmandu to Colombo, returning Wed, 1 Oct, priced at S$608 found 5 days ago
SriLankan Airlines
Sun, 5 Oct - Mon, 13 Oct
KTM
Kathmandu
CMB
Colombo
S$629 Return, found 5 days ago
S$629
Return
found 5 days ago
Select SriLankan Airlines flight, departing Sun, 5 Oct from Kathmandu to Colombo, returning Mon, 13 Oct, priced at S$629 found 5 days ago
Air India
Wed, 5 Nov - Wed, 12 Nov
KTM
Kathmandu
CMB
Colombo
S$631 Return, found 2 days ago
S$631
Return
found 2 days ago
Select Air India flight, departing Wed, 5 Nov from Kathmandu to Colombo, returning Wed, 12 Nov, priced at S$631 found 2 days ago
Air India
Wed, 24 Sept - Wed, 8 Oct
KTM
Kathmandu
CMB
Colombo
S$640 Return, found 5 days ago
S$640
Return
found 5 days ago
Select Air India flight, departing Wed, 24 Sept from Kathmandu to Colombo, returning Wed, 8 Oct, priced at S$640 found 5 days ago
Air India
Wed, 24 Sept - Wed, 8 Oct
KTM
Kathmandu
CMB
Colombo
S$649 Return, found 5 days ago
S$649
Return
found 5 days ago
Select Air India flight, departing Wed, 24 Sept from Kathmandu to Colombo, returning Wed, 8 Oct, priced at S$649 found 5 days ago
Air India
Wed, 24 Sept - Wed, 8 Oct
KTM
Kathmandu
CMB
Colombo
S$651 Return, found 5 days ago
S$651
Return
found 5 days ago
Select Air India flight, departing Wed, 24 Sept from Kathmandu to Colombo, returning Wed, 8 Oct, priced at S$651 found 5 days ago
Air India
Sun, 7 Dec - Thu, 11 Dec
KTM
Kathmandu
CMB
Colombo
S$653 Return, found 5 days ago
S$653
Return
found 5 days ago
Select Air India flight, departing Sun, 7 Dec from Kathmandu to Colombo, returning Thu, 11 Dec, priced at S$653 found 5 days ago
Qatar Airways
Sun, 5 Oct - Mon, 13 Oct
KTM
Kathmandu
CMB
Colombo
S$906 Return, found 5 days ago
S$906
Return
found 5 days ago
Select Qatar Airways flight, departing Sun, 5 Oct from Kathmandu to Colombo, returning Mon, 13 Oct, priced at S$906 found 5 days ago
Thai Airways International
Wed, 5 Nov - Wed, 12 Nov
KTM
Kathmandu
CMB
Colombo
S$1,004 Return, found 2 days ago
S$1,004
Return
found 2 days ago
Select Thai Airways International flight, departing Wed, 5 Nov from Kathmandu to Colombo, returning Wed, 12 Nov, priced at S$1,004 found 2 days ago
Singapore Airlines
Wed, 24 Sept - Wed, 8 Oct
KTM
Kathmandu
CMB
Colombo
S$1,046 Return, found 5 days ago
S$1,046
Return
found 5 days ago
Select Singapore Airlines flight, departing Wed, 24 Sept from Kathmandu to Colombo, returning Wed, 8 Oct, priced at S$1,046 found 5 days ago

Find the cheapest month to fly from Kathmandu (KTM) to Colombo (CMB)

July is typically the cheapest month to fly

From S$513 - S$728 per traveller.

Frequently asked questions

How much is a flight from Tribhuvan Intl. Airport (KTM) to CMB?
The lowest price advertised for a round-trip journey from Tribhuvan Intl. Airport to CMB is S$608. But you better act quick. This figure is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from KTM to Bandaranaike Intl. Airport (CMB)?
This can vary between air carriers, as each has its own terms and conditions. Head to the Customer Service Portal, where you'll find easy instructions on how to cancel online.
How do I find cheap flights from Tribhuvan Intl. Airport to CMB that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Tribhuvan Intl. Airport to Bandaranaike Intl. Airport (CMB) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Tribhuvan Intl. Airport (KTM) to CMB?
Around 2,400 kilometres separates Kathmandu and Seeduwa - Katunayake, so pack something to keep you busy for a couple of hours. That thrilling novel you haven't had time to start will be just the ticket.
Which airlines fly direct from Tribhuvan Intl. Airport (KTM) to Bandaranaike Intl. Airport (CMB)?
Check out SriLankan Airlines (UL) if you want to travel directly from Tribhuvan Intl. Airport (KTM) to Colombo International Airport. This carrier offers 21 monthly flights, so you're sure to find one that fits your travel plans.
Are KTM to CMB flight tickets cheaper when they're purchased at the last minute?
Fares from Tribhuvan Intl. Airport to Bandaranaike Intl. Airport (CMB) are available up to a year before departure on Expedia. And although you may pick up fantastic last-minute deals, it's not something you should count on. Also, booking your flights well in advance means you'll have more options — and you can avoid getting trapped in the dreaded middle seat! We regularly update our fares to bring you the biggest bargains, so keep checking in for all the latest specials.

Travel information

Travel information

Origin airport
Tribhuvan Intl.
Destination airport
Bandaranaike Intl.
Airlines serving
Air India, Cathay Pacific, China Eastern Airlines, Qatar Airways, Singapore Airlines, Thai Airways International
Return price
S$608
Distance
2340 km
Average flight time
3 hours 40 mins

Book with confidence

Book with confidence

Perfect flights from Kathmandu to Colombo

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*Note: Prices may vary based on availability and are subject to change.
Perfect flights from Kathmandu to Colombo

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