Nepal to Sri Lanka · 1,463 miles (2,354 km)

Kathmandu (KTM) to Colombo (CMB) flights

One airline flies nonstop from Kathmandu (KTM) to Colombo (CMB): SriLankan Airlines. The two airports are 1,463 miles (2,354 km) apart. SriLankan Airlines is in oneworld. There are also 6 ways to fly it with one stop, through Bengaluru, Dhaka and Mumbai and more.

See award prices Filter in Routes

Airlines flying nonstop from KTM to CMB

SriLankan Airlinesoneworld · bookable with 9 programsWho books it

Book KTM to CMB with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

Alaska Atmos RewardsBooks SriLankan Airlines
American AAdvantageBooks SriLankan Airlines
British Airways ClubBooks SriLankan Airlines
Cathay Pacific Asia MilesBooks SriLankan Airlines
Finnair PlusBooks SriLankan Airlines
Iberia ClubBooks SriLankan Airlines
JAL Mileage BankBooks SriLankan Airlines
Qantas Frequent FlyerBooks SriLankan Airlines
Qatar Airways Privilege ClubBooks SriLankan Airlines

KTM to CMB with one stop

6 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

Via Bengaluru (BLR)Nepal Airlines and Air India Express, then IndiGo and SriLankan Airlines
RA
Via Dhaka (DAC)Biman Bangladesh Airlines and Himalaya Airlines, then SriLankan Airlines and FitsAir
BG
H9
8D
Via Mumbai (BOM)IndiGo the whole way
RA
Via Delhi (DEL)IndiGo and Air India the whole way
RA
Via Bangkok (DMK)Thai Lion Air, then Thai AirAsia
Via Bangkok (BKK)Thai Airways International the whole way
RA
H9

KTM to CMB: common questions

Which airlines fly nonstop from KTM to CMB?

SriLankan Airlines (oneworld) flies nonstop from Kathmandu (KTM) to Colombo (CMB).

How far is Kathmandu from Colombo by plane?

Kathmandu (KTM) and Colombo (CMB) are 1,463 miles (2,354 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book KTM to CMB award flights?

9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does KTM to CMB cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for KTM to CMB with taxes and fees.

Where can I connect between Kathmandu and Colombo?

The most direct connections are through Bengaluru (BLR), Dhaka (DAC), Mumbai (BOM), Delhi (DEL) and Bangkok (DMK). On 3 of them the same airline flies both flights, for example IndiGo through Mumbai.

More routes

CMB to KTM Every nonstop from KTM Every nonstop from CMB

KTM to Istanbul IST KTM to Dubai DXB KTM to Shanghai PVG KTM to Guangzhou CAN KTM to Chengdu TFU KTM to Doha DOH KTM to Delhi DEL KTM to Shenzhen SZX KTM to Singapore SIN KTM to Seoul ICN KTM to Abu Dhabi AUH KTM to Bangkok BKK

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.