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GTF to RKS: distance & flight time
Great Falls (Great Falls International Airport) → Rock Springs (Southwest Wyoming Regional Airport)
422 mi
680 km · 367 nm
1h 23m
estimated nonstop flight time
Same time
time difference · heading south
See live GTF→RKS fares Phone-only fares on this route — call free
Flight time details
422 miles nonstop takes roughly 1h 23m gate to gate, flying south. 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
- GTF — Great Falls International Airport · Great Falls, 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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 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 GTF from RKS?
The flight distance from Great Falls (GTF) to Rock Springs (RKS) is 422 miles (680 km, 367 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to RKS?
A nonstop flight takes about 1h 23m 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 GTF to RKS?
Nonstop service on GTF–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 23m nonstop estimate.
What is the cheapest way to fly from GTF to RKS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–RKS that never appear on search engines, with no booking fees.
Why are some GTF to RKS fares phone-only?
Consolidator contracts let us sell certain GTF–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.