Need help booking?
Unpublished phone-only deals available
FET to ISN: distance & flight time
Fremont (Fremont Municipal Airport) → Williston (Sloulin Field International Airport)
581 mi
935 km · 505 nm
1h 44m
estimated nonstop flight time
—
time difference · heading northwest
See live FET→ISN fares Phone-only fares on this route — call free
Flight time details
581 miles nonstop takes roughly 1h 44m gate to gate, flying northwest. 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
- FET — Fremont Municipal Airport · Fremont, 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 FET
- OMA · Eppley Airfield34 mi away
- OFF · Offutt Air Force Base39 mi away
- CBF · Council Bluffs Municipal Airport42 mi away
- LNK · Lincoln Airport43 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 FET from ISN?
The flight distance from Fremont (FET) to Williston (ISN) is 581 miles (935 km, 505 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FET to ISN?
A nonstop flight takes about 1h 44m 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 FET to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FET–ISN that never appear on search engines, with no booking fees.