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STT to DUC: distance & flight time
St. Thomas (Cyril E. King Airport) → Duncan (Halliburton Field)
2,310 mi
3,718 km · 2,008 nm
5h
estimated nonstop flight time
-1h
time difference · heading northwest
See live STT→DUC fares Phone-only fares on this route — call free
Flight time details
2,310 miles nonstop takes roughly 5h gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- STT — Cyril E. King Airport · St. Thomas, Virgin Islands
- 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 STT
- SPB · Charlotte Amalie Harbor Seaplane Base2 mi away
- CPX · Benjamin Rivera Noriega Airport22 mi away
- EIS · Terrance B. Lettsome International Airport29 mi away
- VQS · Vieques Airport33 mi away
Near DUC
Frequently asked questions
How far is STT from DUC?
The flight distance from St. Thomas (STT) to Duncan (DUC) is 2,310 miles (3,718 km, 2,008 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STT to DUC?
A nonstop flight takes about 5h 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 St. Thomas and Duncan?
Duncan is 1 hour behind St. Thomas.
What is the cheapest way to fly from STT to DUC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STT–DUC that never appear on search engines, with no booking fees.