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PSC to ISN: distance & flight time
Pasco (Tri Cities Airport) → Williston (Sloulin Field International Airport)
737 mi
1,186 km · 640 nm
2h 4m
estimated nonstop flight time
+2h
time difference · heading east
See live PSC→ISN fares Phone-only fares on this route — call free
Flight time details
737 miles nonstop takes roughly 2h 4m 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
- PSC — Tri Cities Airport · Pasco, 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 PSC
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 PSC from ISN?
The flight distance from Pasco (PSC) to Williston (ISN) is 737 miles (1,186 km, 640 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSC to ISN?
A nonstop flight takes about 2h 4m 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 Pasco and Williston?
Williston is 2 hours ahead of Pasco.
What is the cheapest way to fly from PSC to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSC–ISN that never appear on search engines, with no booking fees.