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PUW to ISN: distance & flight time
Pullman (Pullman Moscow Regional Airport) → Williston (Sloulin Field International Airport)
636 mi
1,024 km · 553 nm
1h 51m
estimated nonstop flight time
+2h
time difference · heading east
See live PUW→ISN fares Phone-only fares on this route — call free
Flight time details
636 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
- PUW — Pullman Moscow Regional Airport · Pullman, 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 PUW
- LWS · Lewiston Nez Perce County Airport26 mi away
- GEG · Spokane International Airport64 mi away
- SKA · Fairchild Air Force Base65 mi away
- SFF · Felts Field66 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 PUW from ISN?
The flight distance from Pullman (PUW) to Williston (ISN) is 636 miles (1,024 km, 553 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PUW 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 Pullman and Williston?
Williston is 2 hours ahead of Pullman.
What is the cheapest way to fly from PUW to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PUW–ISN that never appear on search engines, with no booking fees.