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CCU to KTM: distance & flight time
Kolkata (Netaji Subhash Chandra Bose International Airport) → Kathmandu (Tribhuvan International Airport)
398 mi
641 km · 346 nm
1h 31m
estimated nonstop flight time
+0.3h
time difference · heading northwest
See live CCU→KTM fares Phone-only fares on this route — call free
Flight time details
398 miles nonstop takes roughly 1h 31m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 0.3-hour time gain when reading arrival times on your ticket.
The two airports
- CCU — Netaji Subhash Chandra Bose International Airport · Kolkata, India
- 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 CCU
- JSR · Jessore Airport58 mi away
- RDP · Kazi Nazrul Islam Airport102 mi away
- IRD · Ishurdi Airport110 mi away
- BZL · Barisal Airport119 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 CCU from KTM?
The flight distance from Kolkata (CCU) to Kathmandu (KTM) is 398 miles (641 km, 346 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CCU to KTM?
A nonstop flight takes about 1h 31m 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 Kolkata and Kathmandu?
Kathmandu is 0.3 hours ahead of Kolkata.
What is the cheapest way to fly from CCU to KTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CCU–KTM that never appear on search engines, with no booking fees.