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SPF to RKS: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Rock Springs (Southwest Wyoming Regional Airport)
333 mi
536 km · 289 nm
1h 21m
estimated nonstop flight time
Same time
time difference · heading southwest
See live SPF→RKS fares Phone-only fares on this route — call free
Flight time details
333 miles nonstop takes roughly 1h 21m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
- RKS — Southwest Wyoming Regional Airport · Rock Springs, 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 SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 mi away
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
Frequently asked questions
How far is SPF from RKS?
The flight distance from Spearfish-South Dakota (SPF) to Rock Springs (RKS) is 333 miles (536 km, 289 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to RKS?
A nonstop flight takes about 1h 21m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from SPF to RKS?
Nonstop service on SPF–RKS depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 21m nonstop estimate.
What is the cheapest way to fly from SPF to RKS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–RKS that never appear on search engines, with no booking fees.
Why are some SPF to RKS fares phone-only?
Consolidator contracts let us sell certain SPF–RKS tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.