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STT to WBU: distance & flight time
St. Thomas (Cyril E. King Airport) → Boulder (Boulder Municipal Airport)
2,819 mi
4,536 km · 2,449 nm
6h
estimated nonstop flight time
-2h
time difference · heading northwest
See live STT→WBU fares Phone-only fares on this route — call free
Flight time details
2,819 miles nonstop takes roughly 6h gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- STT — Cyril E. King Airport · St. Thomas, Virgin Islands
- WBU — Boulder Municipal Airport · Boulder, 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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
Frequently asked questions
How far is STT from WBU?
The flight distance from St. Thomas (STT) to Boulder (WBU) is 2,819 miles (4,536 km, 2,449 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STT to WBU?
A nonstop flight takes about 6h 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 Boulder?
Boulder is 2 hours behind St. Thomas.
What is the cheapest way to fly from STT to WBU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STT–WBU that never appear on search engines, with no booking fees.