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BUF to FSI: distance & flight time
Buffalo (Buffalo Niagara International Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,200 mi
1,931 km · 1,043 nm
3h 5m
estimated nonstop flight time
-1h
time difference · heading west
See live BUF→FSI fares Phone-only fares on this route — call free
Flight time details
1,200 miles nonstop takes roughly 3h 5m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- BUF — Buffalo Niagara International Airport · Buffalo, 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 BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 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 BUF from FSI?
The flight distance from Buffalo (BUF) to Fort Sill (FSI) is 1,200 miles (1,931 km, 1,043 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BUF to FSI?
A nonstop flight takes about 3h 5m 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 Buffalo and Fort Sill?
Fort Sill is 1 hour behind Buffalo.
What is the cheapest way to fly from BUF to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BUF–FSI that never appear on search engines, with no booking fees.