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USN to NHT: distance & flight time
Ulsan (Ulsan Airport) → Northolt (RAF Northolt)
5,693 mi
9,162 km · 4,947 nm
11h 38m
estimated nonstop flight time
-8h
time difference · heading northwest
See live USN→NHT fares Phone-only fares on this route — call free
Flight time details
5,693 miles nonstop takes roughly 11h 38m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- USN — Ulsan Airport · Ulsan, South Korea
- 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 USN
- KPO · Pohang Airport (G-815/K-3)28 mi away
- PUS · Gimhae International Airport37 mi away
- TAE · Daegu Airport44 mi away
- CHF · Jinhae Airbase/Airport (G-813/K-10)48 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 USN from NHT?
The flight distance from Ulsan (USN) to Northolt (NHT) is 5,693 miles (9,162 km, 4,947 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USN to NHT?
A nonstop flight takes about 11h 38m 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 Ulsan and Northolt?
Northolt is 8 hours behind Ulsan.
What is the cheapest way to fly from USN to NHT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USN–NHT that never appear on search engines, with no booking fees.