Need help booking?
Unpublished phone-only deals available
BSK to FSI: distance & flight time
Biskra (Biskra Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
5,585 mi
8,988 km · 4,853 nm
11h 25m
estimated nonstop flight time
-6h
time difference · heading northwest
See live BSK→FSI fares Phone-only fares on this route — call free
Flight time details
5,585 miles nonstop takes roughly 11h 25m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- BSK — Biskra Airport · Biskra, Algeria
- 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 BSK
- BLJ · Batna Airport74 mi away
- BUJ · Bou Saada Airport94 mi away
- QSF · Ain Arnat Airport98 mi away
- ELU · Guemar Airport107 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 BSK from FSI?
The flight distance from Biskra (BSK) to Fort Sill (FSI) is 5,585 miles (8,988 km, 4,853 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BSK to FSI?
A nonstop flight takes about 11h 25m 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 Biskra and Fort Sill?
Fort Sill is 6 hours behind Biskra.
What is the cheapest way to fly from BSK to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BSK–FSI that never appear on search engines, with no booking fees.