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

CMB Airport Page →
1,462 mi airlines 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 nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Colombo to Kathmandu
1 carrier, 4 flights/week nonstop.
1 Airlines 4 Flights/wk 1,462 mi 3h 40m nonstop +0.25h ahead 17 1-stop hubs

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, 17 hubs offer 1-stop connections.

Also explore CMB Routes KTM Routes CMB Live Flights KTM Live 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
17
Hubs
~8h
Fastest
~27h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
459
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.
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 connections17 hubs
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 approximately 3h 40m. The route covers 1,462 miles.
1 airline operates nonstop service: SriLankan Airlines.
There are approximately 4 nonstop flights per week from CMB to KTM. The return direction has about 4 weekly flights.
Yes, 1-stop connections are available through DMK, DEL, AUH, KMG, BLR, KUL, BKK, DAC, HKG, SIN, BOM, DOH, SHJ, DXB, ICN, CAN and IST. These options provide additional schedule flexibility.
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 ranges from 3 hours 40 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

17 one-stop connections are available, with the fastest taking approximately 8 hours via DMK. Two-stop connections are also available via intermediate hubs.