Need help booking?
Unpublished phone-only deals available
SIF to NHT: distance & flight time
Simara (Simara Airport) → Northolt (RAF Northolt)
4,581 mi
7,373 km · 3,981 nm
9h 27m
estimated nonstop flight time
-4.7h
time difference · heading northwest
See live SIF→NHT fares Phone-only fares on this route — call free
Flight time details
4,581 miles nonstop takes roughly 9h 27m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.7-hour time set-back when reading arrival times on your ticket.
The two airports
- SIF — Simara Airport · Simara, Nepal
- NHT — RAF Northolt · Northolt, United Kingdom
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 SIF
- KTM · Tribhuvan International Airport44 mi away
- BHR · Bharatpur Airport49 mi away
- MEY · Meghauli Airport54 mi away
- JKR · Janakpur Airport66 mi away
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
Frequently asked questions
How far is SIF from NHT?
The flight distance from Simara (SIF) to Northolt (NHT) is 4,581 miles (7,373 km, 3,981 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SIF to NHT?
A nonstop flight takes about 9h 27m 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 Simara and Northolt?
Northolt is 4.7 hours behind Simara.
What is the cheapest way to fly from SIF to NHT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SIF–NHT that never appear on search engines, with no booking fees.