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FCS to FSI: distance & flight time
Fort Carson (Butts AAF (Fort Carson) Air Field) → Fort Sill (Henry Post Army Air Field (Fort Sill))
449 mi
722 km · 390 nm
1h 27m
estimated nonstop flight time
+1h
time difference · heading southeast
See live FCS→FSI fares Phone-only fares on this route — call free
Flight time details
449 miles nonstop takes roughly 1h 27m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- FCS — Butts AAF (Fort Carson) Air Field · Fort Carson, 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 FCS
- COS · City of Colorado Springs Municipal Airport9 mi away
- PUB · Pueblo Memorial Airport30 mi away
- DEN · Denver International Airport82 mi away
- APA · Centennial Airport62 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 FCS from FSI?
The flight distance from Fort Carson (FCS) to Fort Sill (FSI) is 449 miles (722 km, 390 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FCS to FSI?
A nonstop flight takes about 1h 27m 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 Fort Carson and Fort Sill?
Fort Sill is 1 hour ahead of Fort Carson.
What is the cheapest way to fly from FCS to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FCS–FSI that never appear on search engines, with no booking fees.