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SLC to ISN: distance & flight time
Salt Lake City (Salt Lake City International Airport) → Williston (Sloulin Field International Airport)
655 mi
1,053 km · 569 nm
1h 53m
estimated nonstop flight time
+1h
time difference · heading northeast
See live SLC→ISN fares Phone-only fares on this route — call free
Flight time details
655 miles nonstop takes roughly 1h 53m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- SLC — Salt Lake City International Airport · Salt Lake City, 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 SLC
- HIF · Hill Air Force Base23 mi away
- OGD · Ogden Hinckley Airport28 mi away
- PVU · Provo Municipal Airport42 mi away
- BMC · Brigham City Regional Airport53 mi away
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 SLC from ISN?
The flight distance from Salt Lake City (SLC) to Williston (ISN) is 655 miles (1,053 km, 569 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SLC to ISN?
A nonstop flight takes about 1h 53m 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 Salt Lake City and Williston?
Williston is 1 hour ahead of Salt Lake City.
What is the cheapest way to fly from SLC to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SLC–ISN that never appear on search engines, with no booking fees.