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LWS to ISN: distance & flight time
Lewiston (Lewiston Nez Perce County Airport) → Williston (Sloulin Field International Airport)
638 mi
1,027 km · 555 nm
1h 51m
estimated nonstop flight time
+2h
time difference · heading east
See live LWS→ISN fares Phone-only fares on this route — call free
Flight time details
638 miles nonstop takes roughly 1h 51m 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
- LWS — Lewiston Nez Perce County Airport · Lewiston, 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 LWS
- PUW · Pullman Moscow Regional Airport26 mi away
- ALW · Walla Walla Regional Airport64 mi away
- GEG · Spokane International Airport89 mi away
- LGD · La Grande/Union County Airport89 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 LWS from ISN?
The flight distance from Lewiston (LWS) to Williston (ISN) is 638 miles (1,027 km, 555 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LWS to ISN?
A nonstop flight takes about 1h 51m 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 Lewiston and Williston?
Williston is 2 hours ahead of Lewiston.
What is the cheapest way to fly from LWS to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LWS–ISN that never appear on search engines, with no booking fees.