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OLF to ISN: distance & flight time
Wolf Point (L M Clayton Airport) → Williston (Sloulin Field International Airport)
89 mi
144 km · 78 nm
42m
estimated nonstop flight time
+1h
time difference · heading east
See live OLF→ISN fares Phone-only fares on this route — call free
Flight time details
89 miles nonstop takes roughly 42m gate to gate, flying east. 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
- OLF — L M Clayton Airport · Wolf Point, 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 OLF
- GGW · Wokal Field Glasgow International Airport49 mi away
- SDY · Sidney - Richland Regional Airport69 mi away
- GDV · Dawson Community Airport75 mi away
- ISN · Sloulin Field International Airport89 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 OLF from ISN?
The flight distance from Wolf Point (OLF) to Williston (ISN) is 89 miles (144 km, 78 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OLF to ISN?
A nonstop flight takes about 42m 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 Wolf Point and Williston?
Williston is 1 hour ahead of Wolf Point.
What is the cheapest way to fly from OLF to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OLF–ISN that never appear on search engines, with no booking fees.