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FLV to FSI: distance & flight time
Fort Leavenworth (Sherman Army Air Field) → Fort Sill (Henry Post Army Air Field (Fort Sill))
378 mi
609 km · 329 nm
1h 28m
estimated nonstop flight time
Same time
time difference · heading southwest
See live FLV→FSI fares Phone-only fares on this route — call free
Flight time details
378 miles nonstop takes roughly 1h 28m gate to gate, flying southwest. 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
- FLV — Sherman Army Air Field · Fort Leavenworth, 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 FLV
- MCI · Kansas City International Airport12 mi away
- MKC · Charles B. Wheeler Downtown Airport24 mi away
- STJ · Rosecrans Memorial Airport28 mi away
- LWC · Lawrence Municipal Airport29 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 FLV from FSI?
The flight distance from Fort Leavenworth (FLV) to Fort Sill (FSI) is 378 miles (609 km, 329 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLV to FSI?
A nonstop flight takes about 1h 28m 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 cheapest way to fly from FLV to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLV–FSI that never appear on search engines, with no booking fees.