Need help booking?
Unpublished phone-only deals available
NHT to SDF: distance & flight time
Northolt (RAF Northolt) → Louisville (Louisville International Standiford Field)
4,035 mi
6,494 km · 3,506 nm
8h 23m
estimated nonstop flight time
-5h
time difference · heading northwest
See live NHT→SDF fares Phone-only fares on this route — call free
Flight time details
4,035 miles nonstop takes roughly 8h 23m gate to gate, flying northwest. 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
- SDF — Louisville International Standiford Field · Louisville, United States
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 SDF
- LOU · Bowman Field5 mi away
- FTK · Godman Army Air Field22 mi away
- FFT · Capital City Airport45 mi away
- LEX · Blue Grass Airport62 mi away
Frequently asked questions
How far is NHT from SDF?
The flight distance from Northolt (NHT) to Louisville (SDF) is 4,035 miles (6,494 km, 3,506 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from NHT to SDF?
A nonstop flight takes about 8h 23m 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 Louisville?
Louisville is 5 hours behind Northolt.
What is the cheapest way to fly from NHT to SDF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on NHT–SDF that never appear on search engines, with no booking fees.