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SEN to DUC: distance & flight time
Southend (Southend Airport) → Duncan (Halliburton Field)
4,734 mi
7,618 km · 4,114 nm
9h 45m
estimated nonstop flight time
-6h
time difference · heading northwest
See live SEN→DUC fares Phone-only fares on this route — call free
Flight time details
4,734 miles nonstop takes roughly 9h 45m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- SEN — Southend Airport · Southend, United Kingdom
- DUC — Halliburton Field · Duncan, 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 SEN
- LGW · London Gatwick Airport48 mi away
- LHR · London Heathrow Airport50 mi away
- RCS · Rochester Airport17 mi away
- LCY · London City Airport28 mi away
Near DUC
Frequently asked questions
How far is SEN from DUC?
The flight distance from Southend (SEN) to Duncan (DUC) is 4,734 miles (7,618 km, 4,114 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEN to DUC?
A nonstop flight takes about 9h 45m 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 Southend and Duncan?
Duncan is 6 hours behind Southend.
What is the cheapest way to fly from SEN to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEN–DUC that never appear on search engines, with no booking fees.