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ISN to BFK: distance & flight time
Williston (Sloulin Field International Airport) → Buckley (Buckley Air Force Base)
588 mi
947 km · 511 nm
1h 45m
estimated nonstop flight time
-1h
time difference · heading south
See live ISN→BFK fares Phone-only fares on this route — call free
Flight time details
588 miles nonstop takes roughly 1h 45m gate to gate, flying south. 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
- ISN — Sloulin Field International Airport · Williston, United States
- BFK — Buckley Air Force Base · Buckley, 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 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
Near BFK
- DEN · Denver International Airport12 mi away
- APA · Centennial Airport10 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport34 mi away
Frequently asked questions
How far is ISN from BFK?
The flight distance from Williston (ISN) to Buckley (BFK) is 588 miles (947 km, 511 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to BFK?
A nonstop flight takes about 1h 45m 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 Williston and Buckley?
Buckley is 1 hour behind Williston.
What is the cheapest way to fly from ISN to BFK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–BFK that never appear on search engines, with no booking fees.