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OFF to ISN: distance & flight time
Omaha (Offutt Air Force Base) → Williston (Sloulin Field International Airport)
618 mi
994 km · 537 nm
1h 49m
estimated nonstop flight time
Same time
time difference · heading northwest
See live OFF→ISN fares Phone-only fares on this route — call free
Flight time details
618 miles nonstop takes roughly 1h 49m 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
- OFF — Offutt Air Force Base · Omaha, 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 OFF
- OMA · Eppley Airfield13 mi away
- CBF · Council Bluffs Municipal Airport13 mi away
- FET · Fremont Municipal Airport39 mi away
- LNK · Lincoln Airport48 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 OFF from ISN?
The flight distance from Omaha (OFF) to Williston (ISN) is 618 miles (994 km, 537 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OFF to ISN?
A nonstop flight takes about 1h 49m 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 OFF to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OFF–ISN that never appear on search engines, with no booking fees.