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DUJ to ISN: distance & flight time
Du Bois (DuBois Regional Airport) → Williston (Sloulin Field International Airport)
1,301 mi
2,094 km · 1,131 nm
3h 18m
estimated nonstop flight time
-1h
time difference · heading northwest
See live DUJ→ISN fares Phone-only fares on this route — call free
Flight time details
1,301 miles nonstop takes roughly 3h 18m gate to gate, flying northwest. 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
- DUJ — DuBois Regional Airport · Du Bois, 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 DUJ
- BFD · Bradford Regional Airport45 mi away
- FKL · Venango Regional Airport52 mi away
- SCE · University Park Airport59 mi away
- JST · John Murtha Johnstown Cambria County Airport60 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 DUJ from ISN?
The flight distance from Du Bois (DUJ) to Williston (ISN) is 1,301 miles (2,094 km, 1,131 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUJ to ISN?
A nonstop flight takes about 3h 18m 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 Du Bois and Williston?
Williston is 1 hour behind Du Bois.
What is the cheapest way to fly from DUJ to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUJ–ISN that never appear on search engines, with no booking fees.