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DUC to LHR: distance & flight time
Duncan (Halliburton Field) → London (London Heathrow Airport)
4,693 mi
7,553 km · 4,078 nm
9h 40m
estimated nonstop flight time
+6h
time difference · heading northeast
See live DUC→LHR fares Phone-only fares on this route — call free
Flight time details
4,693 miles nonstop takes roughly 9h 40m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- DUC — Halliburton Field · Duncan, United States
- LHR — London Heathrow Airport · London, 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 DUC
Near LHR
- LGW · London Gatwick Airport25 mi away
- NHT · RAF Northolt6 mi away
- HYC · Wycombe Air Park18 mi away
- FAB · Farnborough Airport19 mi away
Frequently asked questions
How far is DUC from LHR?
The flight distance from Duncan (DUC) to London (LHR) is 4,693 miles (7,553 km, 4,078 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUC to LHR?
A nonstop flight takes about 9h 40m 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 Duncan and London?
London is 6 hours ahead of Duncan.
What is the cheapest way to fly from DUC to LHR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUC–LHR that never appear on search engines, with no booking fees.