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

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

No flights match your filters.

No scheduled airline flights on this route — it's flown by charter / private operators (). No nonstop flights on this route. connecting options below.

✦ 1-Stop connections via 10 hubs
BLR Bengaluru 5h 55m 6EAIJL → IX Bengaluru (BLR) to Kathmandu flights
DEL New Delhi 7h 6EAIAY → 6EAIKL New Delhi (DEL) to Kathmandu flights
DAC Dhaka 7h 20m ETUL → BG Dhaka (DAC) to Kathmandu flights
KUL Sepang 9h 40m 8DAKFY → MHOD Sepang (KUL) to Kathmandu flights
DXB Dubai 10h 5m 8DAZDE → EKFZ Dubai (DXB) to Kathmandu flights
DOH Doha 10h 15m ASATAY → QR Doha (DOH) to Kathmandu flights
BKK Bangkok 11h 5m 8MACAY → TG Bangkok (BKK) to Kathmandu flights
AUH Abu Dhabi 11h 25m AZETEY → EY Abu Dhabi (AUH) to Kathmandu flights
TFU Chengdu (Jianyang) 12h 10m CA → 3UCA Chengdu (Jianyang) (TFU) to Kathmandu flights
BOM Mumbai 15h 43m 6EAIUL → 6E Mumbai (BOM) to Kathmandu flights
✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Colombo to Kathmandu
1 carrier, 4 flights/week nonstop.
1 Airlines 1,462 mi 3h 40m nonstop +0.25h ahead

CMB–KTM is served by 1 airline with nonstop service. SriLankan Airlines leads the route. The flight covers 1,462 miles in approximately 3h 40m. Beyond nonstop, 1-stop connecting options are also available.

Also explore CMB Routes KTM Routes CMB Live Flights KTM Live Flights
All flights from Kathmandu (KTM) Kathmandu to Colombo flights
Carriers on this route

Airline Landscape

All carriers operating nonstop CMB–KTM service, compared side by side.
Airline Freq/wk Aircraft Duration Dep OTP Alliance Codeshares
UL SriLankan Airlines 4 32A 3h40 – 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, CMB to KTM 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 CMB to KTM.
1-STOP
One-Stop Connections
18
Hubs
~5h
Fastest
~21h
Longest
BLR ~5h 55m DEL ~7h 0m DAC ~7h 20m DMK ~8h 25m KUL ~9h 40m
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
506
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
Kathmandu is 0.25 hours ahead of Colombo.
CMB: +0530 · KTM: +0545

When it's 6:00 PM in Colombo, it's 6.25:00 PM in Kathmandu.
Distance & Flight Time
1,462 mi / 2,353 km
Nonstop flight time is approximately 3h 40m gate to gate.
Facts

CMB–KTM Quick Facts

Key statistics for the Colombo to Kathmandu route.
Route details
Distance1,462 mi / 2,353 km
Flight time3h 40m
Time difference+0.25 hours
Airlines (nonstop)1
Weekly flights4 out / 4 return
1-stop connectionsAvailable
Origin: CMB
Full nameBandaranaike International Colombo Airport
IATA / ICAOCMB / VCBI
TimezoneAsia/Colombo
Passengers/yr8.8M
Elevation30 ft / 9 m
Destination: KTM
Full nameTribhuvan International Airport
IATA / ICAOKTM / VNKT
TimezoneAsia/Kathmandu
Passengers/yr5.5M
Elevation4,390 ft / 1,338 m
FAQ

Frequently Asked Questions

Common questions about CMB to KTM flights.
Nonstop flights from Bandaranaike International Colombo Airport to Tribhuvan International Airport take about 3h 40m gate to gate. The route covers 1,462 miles.
1 airline operates flights from CMB to KTM: SriLankan Airlines.
This route has limited weekly service. Check the schedule above for departure days and times in each direction.
Yes, 1-stop connections are available, ranked by layover time. Common connecting points include Kempegowda, Indira Gandhi and Hazrat Shahjalal.
Kathmandu is 0.25 hours ahead of Colombo.
Yes, return flights from KTM to CMB 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 CMB to KTM

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

CMB to KTM Flight Duration and Schedule

Nonstop flight time from CMB to KTM is about 3 hours 40 minutes gate to gate. 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

1-stop connecting options are also available, commonly via Kempegowda, Indira Gandhi and Hazrat Shahjalal. Two-stop connections are also available via intermediate hubs.