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NHT to UNI: distance & flight time
Northolt (RAF Northolt) → Union Island (Union Island International Airport)
4,303 mi
6,926 km · 3,740 nm
8h 54m
estimated nonstop flight time
-5h
time difference · heading west
See live NHT→UNI fares Phone-only fares on this route — call free
Flight time details
4,303 miles nonstop takes roughly 8h 54m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- NHT — RAF Northolt · Northolt, United Kingdom
- UNI — Union Island International Airport · Union Island, Saint Vincent and the Grenadines
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 UNI
- CIW · Canouan Airport8 mi away
- MQS · Mustique Airport25 mi away
- BQU · J F Mitchell Airport29 mi away
- SVD · Argyle International Airport42 mi away
Frequently asked questions
How far is NHT from UNI?
The flight distance from Northolt (NHT) to Union Island (UNI) is 4,303 miles (6,926 km, 3,740 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NHT to UNI?
A nonstop flight takes about 8h 54m 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 Union Island?
Union Island is 5 hours behind Northolt.
What is the cheapest way to fly from NHT to UNI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NHT–UNI that never appear on search engines, with no booking fees.