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FSI to USS: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Sancti Spiritus (Sancti Spiritus Airport)
1,444 mi
2,324 km · 1,255 nm
3h 36m
estimated nonstop flight time
+1h
time difference · heading southeast
See live FSI→USS fares Phone-only fares on this route — call free
Flight time details
1,444 miles nonstop takes roughly 3h 36m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-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
- USS — Sancti Spiritus Airport · Sancti Spiritus, Cuba
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 USS
- TND · Alberto Delgado Airport38 mi away
- AVI · Maximo Gomez Airport42 mi away
- SNU · Abel Santamaria Airport48 mi away
- BWW · Las Brujas Airport49 mi away
Frequently asked questions
How far is FSI from USS?
The flight distance from Fort Sill (FSI) to Sancti Spiritus (USS) is 1,444 miles (2,324 km, 1,255 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to USS?
A nonstop flight takes about 3h 36m 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 Sancti Spiritus?
Sancti Spiritus is 1 hour ahead of Fort Sill.
What is the cheapest way to fly from FSI to USS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–USS that never appear on search engines, with no booking fees.