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RKS to ISN: distance & flight time
Rock Springs (Southwest Wyoming Regional Airport) → Williston (Sloulin Field International Airport)
526 mi
847 km · 457 nm
1h 37m
estimated nonstop flight time
+1h
time difference · heading northeast
See live RKS→ISN fares Phone-only fares on this route — call free
Flight time details
526 miles nonstop takes roughly 1h 37m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- RKS — Southwest Wyoming Regional Airport · Rock Springs, 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 RKS
- FBR · Fort Bridger Airport71 mi away
- VEL · Vernal Regional Airport83 mi away
- LND · Hunt Field86 mi away
- BPI · Miley Memorial Field87 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 RKS from ISN?
The flight distance from Rock Springs (RKS) to Williston (ISN) is 526 miles (847 km, 457 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RKS to ISN?
A nonstop flight takes about 1h 37m 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 Rock Springs and Williston?
Williston is 1 hour ahead of Rock Springs.
What is the cheapest way to fly from RKS to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RKS–ISN that never appear on search engines, with no booking fees.