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BRO to ISN: distance & flight time
Brownsville (Brownsville South Padre Island International Airport) → Williston (Sloulin Field International Airport)
1,575 mi
2,535 km · 1,369 nm
3h 33m
estimated nonstop flight time
Same time
time difference · heading north
See live BRO→ISN fares Phone-only fares on this route — call free
Flight time details
1,575 miles nonstop takes roughly 3h 33m 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
- ISN — Sloulin Field International Airport · Williston, 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 ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Frequently asked questions
How far is BRO from ISN?
The flight distance from Brownsville (BRO) to Williston (ISN) is 1,575 miles (2,535 km, 1,369 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BRO to ISN?
A nonstop flight takes about 3h 33m 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 ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BRO–ISN that never appear on search engines, with no booking fees.