Colombo to Kathmandu (CMB-KTM): nonstop flights and who flies them

SriLankan Airlines flies the CMB to KTM nonstop about 4 times a week. SriLankan Airlines sets the rhythm here, a few flights a day with a small premium cabin on each, so a date with open space is worth acting on the day you see it. SriLankan Airlines fly the route nonstop in 2LNR's schedule data; the timetable and the reverse direction are below.

Schedule last confirmed . Departure times come from 2LNR's schedule data; confirm with the airline before you book.

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4
Nonstop flights a week
1,462 mi
Nonstop distance
Free
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Colombo to Kathmandu flight schedule

Scheduled nonstop departures for CMB to KTM, last checked against our schedule feed on September 6, 2026. Airlines retime and cancel flights, so confirm with the airline before you book.

Schedule data dated .

Scheduled nonstop departures from Colombo (CMB) to Kathmandu (KTM)
Date Flight Airline Departs CMB Arrives KTM Duration Aircraft
UL 181SriLankan Airlines08:4512:403h 40m32A
UL 181SriLankan Airlines08:2012:153h 40m32A
UL 181SriLankan Airlines08:2012:153h 40m32A
UL 181SriLankan Airlines08:2012:153h 40m32A
UL 181SriLankan Airlines08:4512:403h 40m32A
UL 181SriLankan Airlines08:2012:153h 40m32A
UL 181SriLankan Airlines08:2012:153h 40m32A

Showing all 7 scheduled CMB to KTM departures across the next 7 days with service. Later dates are on the interactive map.

Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline has not filed that value in the schedule data we hold. Aircraft are IATA equipment codes as filed, and can change up to departure.

See every CMB to KTM date on the interactive map

The full CMB to KTM nonstop schedule

SriLankan Airlines fly the route nonstop in 2LNR's schedule data. This page carries the full CMB to KTM nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below.

See real availability

Confirmed upgrade and award seats on each CMB to KTM departure, checked against live inventory so you know what is open before you book.

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Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See CMB to KTM on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Colombo to Kathmandu nonstop

Carriers operating CMB to KTM nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

See CMB to KTM on the interactive map →

Frequently asked questions about CMB to KTM

How far is Kathmandu from Colombo?
CMB to KTM covers about 1,462 miles nonstop. Flight times vary by aircraft and season; the schedule table on this page lists each scheduled departure with its own times.
Which airlines fly nonstop from CMB to KTM?
SriLankan Airlines is currently the only airline flying CMB to KTM nonstop. None of them is a carrier 2LNR reads inventory for, so this page carries the CMB to KTM schedule rather than a space claim.
How many flights a week are there from CMB to KTM?
About 4 nonstop flights a week run between Colombo and Kathmandu in the current schedule, operated by SriLankan Airlines. Frequency shifts by season, and the schedule table on this page shows what is scheduled next.
What time do flights from CMB to KTM depart?
Scheduled CMB to KTM nonstops in the next 7 days with service leave between 08:20 and 08:45, local time at Colombo. The schedule table on this page lists every departure by date, with its arrival time and aircraft.
Does 2LNR show upgrade or award space on CMB to KTM?
Not on this route: none of SriLankan Airlines is a carrier 2LNR reads inventory for. The page carries the full CMB to KTM nonstop schedule and who flies each departure, and the reverse direction is linked below.

See the full CMB to KTM nonstop schedule

Every scheduled departure on this route, with who flies it. On the routes 2LNR does read inventory for, upgrade and award space shows by date, the next 14 days free on every product and the full horizon on Pro.

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