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CZL to KTM: distance & flight time
Constantine (Mohamed Boudiaf International Airport) → Kathmandu (Tribhuvan International Airport)
4,527 mi
7,285 km · 3,934 nm
9h 21m
estimated nonstop flight time
+4.8h
time difference · heading east
See live CZL→KTM fares Phone-only fares on this route — call free
Flight time details
4,527 miles nonstop takes roughly 9h 21m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.8-hour time gain when reading arrival times on your ticket.
The two airports
- CZL — Mohamed Boudiaf International Airport · Constantine, Algeria
- KTM — Tribhuvan International Airport · Kathmandu, Nepal
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near CZL
- BLJ · Batna Airport40 mi away
- GJL · Jijel Ferhat Abbas Airport55 mi away
- QSF · Ain Arnat Airport73 mi away
- AAE · Rabah Bitat Airport76 mi away
Near KTM
- SIF · Simara Airport44 mi away
- RHP · Ramechhap Airport48 mi away
- BHR · Bharatpur Airport57 mi away
- MEY · Meghauli Airport70 mi away
Frequently asked questions
How far is CZL from KTM?
The flight distance from Constantine (CZL) to Kathmandu (KTM) is 4,527 miles (7,285 km, 3,934 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CZL to KTM?
A nonstop flight takes about 9h 21m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Constantine and Kathmandu?
Kathmandu is 4.8 hours ahead of Constantine.
What is the cheapest way to fly from CZL to KTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CZL–KTM that never appear on search engines, with no booking fees.