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NHT to KTM: distance & flight time
Northolt (RAF Northolt) → Kathmandu (Tribhuvan International Airport)
4,570 mi
7,354 km · 3,971 nm
9h 26m
estimated nonstop flight time
+4.8h
time difference · heading east
See live NHT→KTM fares Phone-only fares on this route — call free
Flight time details
4,570 miles nonstop takes roughly 9h 26m 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
- NHT — RAF Northolt · Northolt, United Kingdom
- 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 NHT
- LHR · London Heathrow Airport6 mi away
- LGW · London Gatwick Airport30 mi away
- HYC · Wycombe Air Park17 mi away
- LCY · London City Airport21 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 NHT from KTM?
The flight distance from Northolt (NHT) to Kathmandu (KTM) is 4,570 miles (7,354 km, 3,971 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NHT to KTM?
A nonstop flight takes about 9h 26m 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 Northolt and Kathmandu?
Kathmandu is 4.8 hours ahead of Northolt.
What is the cheapest way to fly from NHT to KTM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NHT–KTM that never appear on search engines, with no booking fees.