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FSI to FFD: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Fairford (RAF Fairford)
4,644 mi
7,473 km · 4,035 nm
9h 34m
estimated nonstop flight time
+6h
time difference · heading northeast
See live FSI→FFD fares Phone-only fares on this route — call free
Flight time details
4,644 miles nonstop takes roughly 9h 34m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- FFD — RAF Fairford · Fairford, United Kingdom
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 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
Near FFD
- BZZ · RAF Brize Norton10 mi away
- GBA · Cotswold Airport11 mi away
- LYE · RAF Lyneham15 mi away
- LHR · London Heathrow Airport59 mi away
Frequently asked questions
How far is FSI from FFD?
The flight distance from Fort Sill (FSI) to Fairford (FFD) 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 FSI to FFD?
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 Fort Sill and Fairford?
Fairford is 6 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to FFD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–FFD that never appear on search engines, with no booking fees.