฿10,560 Cheap Flights from Kathmandu (KTM) to Colombo (CMB)

View ฿10,560 flight on Mon, 21 Sept 2026Opens in a new window

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

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Cheap Flights from Kathmandu (KTM) to Colombo (CMB)

Prices were available within the past 7 days and start at ฿10,560 for one-way flights and ฿18,275 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air India
Thu, 14 May - Wed, 20 May
KTM
Kathmandu
CMB
Colombo
฿18,275 Return, found 4 days ago
฿18,275
Return
found 4 days ago
Select Air India flight, departing Thu, 14 May from Kathmandu to Colombo, returning Wed, 20 May, priced at ฿18,275 found 4 days ago
SriLankan Airlines
Thu, 14 May - Wed, 20 May
KTM
Kathmandu
CMB
Colombo
฿19,155 Return, found 4 days ago
฿19,155
Return
found 4 days ago
Select SriLankan Airlines flight, departing Thu, 14 May from Kathmandu to Colombo, returning Wed, 20 May, priced at ฿19,155 found 4 days ago
Air India
Tue, 21 Apr - Thu, 7 May
KTM
Kathmandu
CMB
Colombo
฿19,175 Return, found 5 days ago
฿19,175
Return
found 5 days ago
Select Air India flight, departing Tue, 21 Apr from Kathmandu to Colombo, returning Thu, 7 May, priced at ฿19,175 found 5 days ago
Air India
Thu, 14 May - Wed, 20 May
KTM
Kathmandu
CMB
Colombo
฿19,270 Return, found 4 days ago
฿19,270
Return
found 4 days ago
Select Air India flight, departing Thu, 14 May from Kathmandu to Colombo, returning Wed, 20 May, priced at ฿19,270 found 4 days ago
Air India
Wed, 22 Apr - Fri, 8 May
KTM
Kathmandu
CMB
Colombo
฿19,315 Return, found 6 days ago
฿19,315
Return
found 6 days ago
Select Air India flight, departing Wed, 22 Apr from Kathmandu to Colombo, returning Fri, 8 May, priced at ฿19,315 found 6 days ago
Air India
Thu, 23 Apr - Wed, 29 Apr
KTM
Kathmandu
CMB
Colombo
฿19,345 Return, found 1 day ago
฿19,345
Return
found 1 day ago
Select Air India flight, departing Thu, 23 Apr from Kathmandu to Colombo, returning Wed, 29 Apr, priced at ฿19,345 found 1 day ago
Air India
Tue, 21 Apr - Thu, 7 May
KTM
Kathmandu
CMB
Colombo
฿20,055 Return, found 5 days ago
฿20,055
Return
found 5 days ago
Select Air India flight, departing Tue, 21 Apr from Kathmandu to Colombo, returning Thu, 7 May, priced at ฿20,055 found 5 days ago
Qatar Airways
Thu, 14 May - Wed, 20 May
KTM
Kathmandu
CMB
Colombo
฿22,315 Return, found 4 days ago
฿22,315
Return
found 4 days ago
Select Qatar Airways flight, departing Thu, 14 May from Kathmandu to Colombo, returning Wed, 20 May, priced at ฿22,315 found 4 days ago
IndiGo
Thu, 23 Apr - Wed, 29 Apr
KTM
Kathmandu
CMB
Colombo
฿23,851 Return, found 1 day ago
฿23,851
Return
found 1 day ago
Select IndiGo flight, departing Thu, 23 Apr from Kathmandu to Colombo, returning Wed, 29 Apr, priced at ฿23,851 found 1 day ago
Singapore Airlines
Thu, 14 May - Wed, 20 May
KTM
Kathmandu
CMB
Colombo
฿29,185 Return, found 4 days ago
฿29,185
Return
found 4 days ago
Select Singapore Airlines flight, departing Thu, 14 May from Kathmandu to Colombo, returning Wed, 20 May, priced at ฿29,185 found 4 days ago

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 ฿18,275. 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

Origin airport
Tribhuvan Intl.
Destination airport
Bandaranaike Intl.
Return price
฿18,275
Distance
2340 km
Average flight time
3 hours 35 mins
*Available to Expedia members.