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LHR to DCU: distance & flight time
London (London Heathrow Airport) → Decatur (Pryor Field Regional Airport)
4,253 mi
6,845 km · 3,696 nm
8h 48m
estimated nonstop flight time
—
time difference · heading west
See live LHR→DCU fares Phone-only fares on this route — call free
Flight time details
4,253 miles nonstop takes roughly 8h 48m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- LHR — London Heathrow Airport · London, United Kingdom
- DCU — Pryor Field Regional Airport · Decatur, 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 LHR
- LGW · London Gatwick Airport25 mi away
- NHT · RAF Northolt6 mi away
- HYC · Wycombe Air Park18 mi away
- FAB · Farnborough Airport19 mi away
Near DCU
- HSV · Huntsville International Carl T Jones Field10 mi away
- HUA · Redstone Army Air Field15 mi away
- MSL · Northwest Alabama Regional Airport38 mi away
- GAD · Northeast Alabama Regional Airport68 mi away
Frequently asked questions
How far is LHR from DCU?
The flight distance from London (LHR) to Decatur (DCU) is 4,253 miles (6,845 km, 3,696 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LHR to DCU?
A nonstop flight takes about 8h 48m 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 cheapest way to fly from LHR to DCU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LHR–DCU that never appear on search engines, with no booking fees.