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HAR to ISN: distance & flight time
Harrisburg (Capital City Airport) → Williston (Sloulin Field International Airport)
1,427 mi
2,297 km · 1,240 nm
3h 34m
estimated nonstop flight time
-1h
time difference · heading northwest
See live HAR→ISN fares Phone-only fares on this route — call free
Flight time details
1,427 miles nonstop takes roughly 3h 34m 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
- HAR — Capital City Airport · Harrisburg, 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 HAR
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 HAR from ISN?
The flight distance from Harrisburg (HAR) to Williston (ISN) is 1,427 miles (2,297 km, 1,240 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HAR to ISN?
A nonstop flight takes about 3h 34m 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 Harrisburg and Williston?
Williston is 1 hour behind Harrisburg.
What is the cheapest way to fly from HAR to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HAR–ISN that never appear on search engines, with no booking fees.