Need help booking?
Unpublished phone-only deals available
DRI to FSI: distance & flight time
Deridder (Beauregard Regional Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
395 mi
636 km · 343 nm
1h 30m
estimated nonstop flight time
Same time
time difference · heading northwest
See live DRI→FSI fares Phone-only fares on this route — call free
Flight time details
395 miles nonstop takes roughly 1h 30m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- DRI — Beauregard Regional Airport · Deridder, 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 DRI
- POE · Polk Army Air Field17 mi away
- JAS · Jasper County Airport-Bell Field41 mi away
- LCH · Lake Charles Regional Airport49 mi away
- AEX · Alexandria International Airport58 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 DRI from FSI?
The flight distance from Deridder (DRI) to Fort Sill (FSI) is 395 miles (636 km, 343 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DRI to FSI?
A nonstop flight takes about 1h 30m 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 cheapest way to fly from DRI to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DRI–FSI that never appear on search engines, with no booking fees.