Need help booking?
Unpublished phone-only deals available
FSI to IOS: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Ilheus (Bahia - Jorge Amado Airport)
5,178 mi
8,333 km · 4,499 nm
10h 37m
estimated nonstop flight time
+2h
time difference · heading southeast
See live FSI→IOS fares Phone-only fares on this route — call free
Flight time details
5,178 miles nonstop takes roughly 10h 37m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-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
- IOS — Bahia - Jorge Amado Airport · Ilheus, Brazil
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 IOS
- UNA · Hotel Transamérica Airport37 mi away
- VAL · Valença Airport105 mi away
- BPS · Porto Seguro Airport112 mi away
- VDC · Vitória da Conquista Airport122 mi away
Frequently asked questions
How far is FSI from IOS?
The flight distance from Fort Sill (FSI) to Ilheus (IOS) is 5,178 miles (8,333 km, 4,499 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to IOS?
A nonstop flight takes about 10h 37m 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 Ilheus?
Ilheus is 2 hours ahead of Fort Sill.
What is the cheapest way to fly from FSI to IOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–IOS that never appear on search engines, with no booking fees.