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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–PSC that never appear on search engines, with no booking fees.