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BRO to FSI: distance & flight time
Brownsville (Brownsville South Padre Island International Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
607 mi
977 km · 527 nm
1h 47m
estimated nonstop flight time
Same time
time difference · heading north
See live BRO→FSI fares Phone-only fares on this route — call free
Flight time details
607 miles nonstop takes roughly 1h 47m gate to gate, flying north. 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
- BRO — Brownsville South Padre Island International Airport · Brownsville, 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 BRO
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 BRO from FSI?
The flight distance from Brownsville (BRO) to Fort Sill (FSI) is 607 miles (977 km, 527 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BRO to FSI?
A nonstop flight takes about 1h 47m 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 BRO to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BRO–FSI that never appear on search engines, with no booking fees.