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PIE to FSI: distance & flight time
St. Petersburg (St Petersburg Clearwater International Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,037 mi
1,668 km · 901 nm
2h 43m
estimated nonstop flight time
-1h
time difference · heading northwest
See live PIE→FSI fares Phone-only fares on this route — call free
Flight time details
1,037 miles nonstop takes roughly 2h 43m 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
- PIE — St Petersburg Clearwater International Airport · St. Petersburg, United States
- 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 PIE
- TPA · Tampa International Airport10 mi away
- CLW · Clearwater Air Park6 mi away
- SPG · Albert Whitted Airport11 mi away
- MCF · Mac Dill Air Force Base11 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 PIE from FSI?
The flight distance from St. Petersburg (PIE) to Fort Sill (FSI) is 1,037 miles (1,668 km, 901 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PIE to FSI?
A nonstop flight takes about 2h 43m 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. Petersburg and Fort Sill?
Fort Sill is 1 hour behind St. Petersburg.
What is the cheapest way to fly from PIE to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PIE–FSI that never appear on search engines, with no booking fees.