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ILN to ISN: distance & flight time
Wilmington (Wilmington Airpark) → Williston (Sloulin Field International Airport)
1,155 mi
1,858 km · 1,003 nm
2h 59m
estimated nonstop flight time
-1h
time difference · heading northwest
See live ILN→ISN fares Phone-only fares on this route — call free
Flight time details
1,155 miles nonstop takes roughly 2h 59m 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
- ILN — Wilmington Airpark · Wilmington, 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 ILN
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 ILN from ISN?
The flight distance from Wilmington (ILN) to Williston (ISN) is 1,155 miles (1,858 km, 1,003 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ILN to ISN?
A nonstop flight takes about 2h 59m 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 Wilmington and Williston?
Williston is 1 hour behind Wilmington.
What is the cheapest way to fly from ILN to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ILN–ISN that never appear on search engines, with no booking fees.