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FFD to FSI: distance & flight time
Fairford (RAF Fairford) → Fort Sill (Henry Post Army Air Field (Fort Sill))
4,644 mi
7,473 km · 4,035 nm
9h 34m
estimated nonstop flight time
-6h
time difference · heading northwest
See live FFD→FSI fares Phone-only fares on this route — call free
Flight time details
4,644 miles nonstop takes roughly 9h 34m 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
- FFD — RAF Fairford · Fairford, United Kingdom
- 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 FFD
- BZZ · RAF Brize Norton10 mi away
- GBA · Cotswold Airport11 mi away
- LYE · RAF Lyneham15 mi away
- LHR · London Heathrow Airport59 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 FFD from FSI?
The flight distance from Fairford (FFD) to Fort Sill (FSI) is 4,644 miles (7,473 km, 4,035 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FFD to FSI?
A nonstop flight takes about 9h 34m 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 Fairford and Fort Sill?
Fort Sill is 6 hours behind Fairford.
What is the cheapest way to fly from FFD to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FFD–FSI that never appear on search engines, with no booking fees.