Kathmandu to Colombo (KTM–CMB) — Airlines, Schedules & Connections

KTM Airport Page →
1,462 mi airlines 4/wk
On-time Some delays Frequent delays
Flight Schedule 2 flights Verified 54m ago
Nonstop 1-Stop 2-Stop Hide separate tickets Hide overnight Hide codeshares
  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop
✓
→
UL182
UL SriLankan
32A
1:40 PM
+0545 TI
5:00 PM
+0530
3h 35m
—
M T W T F S S
Prices
✓
←
UL181
UL SriLankan
32A
8:45 AM
+0530
12:40 PM
+0545
3h 40m
—
M T W T F S S
Prices

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Kathmandu to Colombo
1 carrier, 4 flights/week nonstop.
1 Airlines 4 Flights/wk 1,462 mi 3h 35m nonstop -0.25h behind 18 1-stop hubs

KTM–CMB is served by 1 airline with nonstop service. SriLankan Airlines leads the route. The flight covers 1,462 miles in approximately 3h 35m. Beyond nonstop, 18 hubs offer 1-stop connections.

Also explore KTM Routes CMB Routes KTM Live Flights CMB Live Flights
Carriers on this route

Airline Landscape

All carriers operating nonstop KTM–CMB service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UL SriLankan Airlines 4 32A 3h35 – Oneworld –
Aircraft on this route
32A Airbus A320 – UL
Alliance coverage
Oneworld: UL (4 flights/wk, 100%)
OTP based on airport-level delay snapshots. Duration ranges reflect seasonal/directional variation.
Schedule

Weekly Schedule Pattern

Nonstop flight frequency by day of week, KTM to CMB direction.
Mon
1
flight
Tue
0
flights
Wed
1
flight
Thu
1
flight
Fri
0
flights
Sat
0
flights
Sun
1
flight
Departure time distribution
12 AM6 AM12 PM6 PM12 AM
Morning departures
Afternoon/evening departures
1
Nonstop flights
4
Outbound / wk
4
Return / wk
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for KTM to CMB.
1-STOP
One-Stop Connections
18
Hubs
~7h
Fastest
~28h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
463
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
-0.25h
Colombo is 0.25 hours behind Kathmandu.
KTM: +0545 · CMB: +0530

When it's 6:00 PM in Kathmandu, it's 5.75:00 PM in Colombo.
Distance & Flight Time
1,462 mi / 2,353 km
Nonstop flight time is approximately 3h 35m.
Facts

KTM–CMB Quick Facts

Key statistics for the Kathmandu to Colombo route.
Route details
Distance1,462 mi / 2,353 km
Flight time3h 35m
Time difference-0.25 hours
Airlines (nonstop)1
Weekly flights4 out / 4 return
1-stop connections18 hubs
Origin: KTM
Full nameTribhuvan International Airport
IATA / ICAOKTM / VNKT
TimezoneAsia/Kathmandu
Passengers/yr5.5M
Elevation4,390 ft / 1,338 m
Destination: CMB
Full nameBandaranaike International Colombo Airport
IATA / ICAOCMB / VCBI
TimezoneAsia/Colombo
Passengers/yr8.8M
Elevation30 ft / 9 m
FAQ

Frequently Asked Questions

Common questions about KTM to CMB flights.
Nonstop flights from Tribhuvan International Airport to Bandaranaike International Colombo Airport take approximately 3h 35m. The route covers 1,462 miles.
1 airline operates nonstop service: SriLankan Airlines.
There are approximately 4 nonstop flights per week from KTM to CMB. The return direction has about 4 weekly flights.
Yes, 1-stop connections are available through DMK, BOM, BLR, ICN, DEL, SHJ, HKG, NRT, DOH, DAC, AUH, KUL, BKK, IST, SIN, DXB, CAN and KMG. These options provide additional schedule flexibility.
Colombo is 0.25 hours behind Kathmandu.
Yes, return flights from CMB to KTM are available. Use the direction toggle at the top to view the return schedule.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from KTM to CMB

Tribhuvan International Airport (KTM) and Bandaranaike International Colombo Airport (CMB) are connected by nonstop service from SriLankan Airlines. With 4 weekly departures, this is a regularly served route.

KTM to CMB Flight Duration and Schedule

Nonstop flight time from KTM to CMB ranges from 3 hours 35 minutes. The route covers a distance of 1,462 miles (2,353 km). There are approximately 4 weekly flights outbound and 4 return, totaling 8 flights per week in both directions.

Connecting Options and Alternatives

18 one-stop connections are available, with the fastest taking approximately 7 hours via DMK. Two-stop connections are also available via intermediate hubs.