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FSI to HYC: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Wycombe (Wycombe Air Park)
4,683 mi
7,537 km · 4,070 nm
9h 39m
estimated nonstop flight time
+6h
time difference · heading northeast
See live FSI→HYC fares Phone-only fares on this route — call free
Flight time details
4,683 miles nonstop takes roughly 9h 39m 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
- HYC — Wycombe Air Park · Wycombe, 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 HYC
- LHR · London Heathrow Airport18 mi away
- LGW · London Gatwick Airport42 mi away
- BEX · RAF Benson12 mi away
- NHT · RAF Northolt17 mi away
Frequently asked questions
How far is FSI from HYC?
The flight distance from Fort Sill (FSI) to Wycombe (HYC) is 4,683 miles (7,537 km, 4,070 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to HYC?
A nonstop flight takes about 9h 39m 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 Wycombe?
Wycombe is 6 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to HYC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–HYC that never appear on search engines, with no booking fees.