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SLE to ISN: distance & flight time
Salem (Salem Municipal Airport/McNary Field) → Williston (Sloulin Field International Airport)
945 mi
1,520 km · 821 nm
2h 31m
estimated nonstop flight time
+2h
time difference · heading east
See live SLE→ISN fares Phone-only fares on this route — call free
Flight time details
945 miles nonstop takes roughly 2h 31m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- SLE — Salem Municipal Airport/McNary Field · Salem, 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 SLE
- CVO · Corvallis Municipal Airport32 mi away
- HIO · Portland Hillsboro Airport44 mi away
- PDX · Portland International Airport51 mi away
- TTD · Portland Troutdale Airport53 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 SLE from ISN?
The flight distance from Salem (SLE) to Williston (ISN) is 945 miles (1,520 km, 821 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SLE to ISN?
A nonstop flight takes about 2h 31m 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 Salem and Williston?
Williston is 2 hours ahead of Salem.
What is the cheapest way to fly from SLE to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SLE–ISN that never appear on search engines, with no booking fees.