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ISN to SLE: distance & flight time
Williston (Sloulin Field International Airport) → Salem (Salem Municipal Airport/McNary Field)
945 mi
1,520 km · 821 nm
2h 31m
estimated nonstop flight time
-2h
time difference · heading west
See live ISN→SLE fares Phone-only fares on this route — call free
Flight time details
945 miles nonstop takes roughly 2h 31m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- ISN — Sloulin Field International Airport · Williston, United States
- SLE — Salem Municipal Airport/McNary Field · Salem, 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 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
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
Frequently asked questions
How far is ISN from SLE?
The flight distance from Williston (ISN) to Salem (SLE) is 945 miles (1,520 km, 821 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to SLE?
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 Williston and Salem?
Salem is 2 hours behind Williston.
What is the cheapest way to fly from ISN to SLE?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–SLE that never appear on search engines, with no booking fees.