Need help booking?
Unpublished phone-only deals available
SDY to FSI: distance & flight time
Sidney (Sidney - Richland Regional Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
950 mi
1,530 km · 826 nm
2h 32m
estimated nonstop flight time
+1h
time difference · heading south
See live SDY→FSI fares Phone-only fares on this route — call free
Flight time details
950 miles nonstop takes roughly 2h 32m gate to gate, flying south. 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
- SDY — Sidney - Richland Regional Airport · Sidney, United States
- 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 SDY
- ISN · Sloulin Field International Airport41 mi away
- GDV · Dawson Community Airport49 mi away
- OLF · L M Clayton Airport69 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport91 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 SDY from FSI?
The flight distance from Sidney (SDY) to Fort Sill (FSI) is 950 miles (1,530 km, 826 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDY to FSI?
A nonstop flight takes about 2h 32m 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 Sidney and Fort Sill?
Fort Sill is 1 hour ahead of Sidney.
What is the cheapest way to fly from SDY to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDY–FSI that never appear on search engines, with no booking fees.