Need help booking?
Unpublished phone-only deals available
INS to FSI: distance & flight time
Indian Springs (Creech Air Force Base) → Fort Sill (Henry Post Army Air Field (Fort Sill))
978 mi
1,574 km · 850 nm
2h 36m
estimated nonstop flight time
+2h
time difference · heading east
See live INS→FSI fares Phone-only fares on this route — call free
Flight time details
978 miles nonstop takes roughly 2h 36m gate to gate, flying east. 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
- INS — Creech Air Force Base · Indian Springs, 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 INS
- LAS · McCarran International Airport45 mi away
- DRA · Desert Rock Airport20 mi away
- VGT · North Las Vegas Airport37 mi away
- LSV · Nellis Air Force Base43 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 INS from FSI?
The flight distance from Indian Springs (INS) to Fort Sill (FSI) is 978 miles (1,574 km, 850 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INS to FSI?
A nonstop flight takes about 2h 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 Indian Springs and Fort Sill?
Fort Sill is 2 hours ahead of Indian Springs.
What is the cheapest way to fly from INS to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INS–FSI that never appear on search engines, with no booking fees.