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INL to FSI: distance & flight time
International Falls (Falls International Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
995 mi
1,601 km · 865 nm
2h 38m
estimated nonstop flight time
Same time
time difference · heading south
See live INL→FSI fares Phone-only fares on this route — call free
Flight time details
995 miles nonstop takes roughly 2h 38m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- INL — Falls International Airport · International Falls, 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 INL
- YAG · Fort Frances Municipal Airport6 mi away
- BDE · Baudette International Airport56 mi away
- YIB · Atikokan Municipal Airport82 mi away
- HIB · Range Regional Airport86 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 INL from FSI?
The flight distance from International Falls (INL) to Fort Sill (FSI) is 995 miles (1,601 km, 865 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from INL to FSI?
A nonstop flight takes about 2h 38m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from INL to FSI?
Nonstop service on INL–FSI depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 2h 38m nonstop estimate.
What is the cheapest way to fly from INL to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on INL–FSI that never appear on search engines, with no booking fees.
Why are some INL to FSI fares phone-only?
Consolidator contracts let us sell certain INL–FSI tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.