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STT to FSI: distance & flight time
St. Thomas (Cyril E. King Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
2,338 mi
3,763 km · 2,032 nm
5h 3m
estimated nonstop flight time
-1h
time difference · heading northwest
See live STT→FSI fares Phone-only fares on this route — call free
Flight time details
2,338 miles nonstop takes roughly 5h 3m 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
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Frequently asked questions
How far is STT from FSI?
The flight distance from St. Thomas (STT) to Fort Sill (FSI) is 2,338 miles (3,763 km, 2,032 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STT to FSI?
A nonstop flight takes about 5h 3m 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 Fort Sill?
Fort Sill is 1 hour behind St. Thomas.
What is the cheapest way to fly from STT to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STT–FSI that never appear on search engines, with no booking fees.