Need help booking?
Unpublished phone-only deals available
RKS to SEP: distance & flight time
Rock Springs (Southwest Wyoming Regional Airport) → Stephenville (Stephenville Clark Regional Airport)
883 mi
1,421 km · 767 nm
2h 23m
estimated nonstop flight time
+1h
time difference · heading southeast
See live RKS→SEP fares Phone-only fares on this route — call free
Flight time details
883 miles nonstop takes roughly 2h 23m gate to gate, flying southeast. 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
- SEP — Stephenville Clark Regional Airport · Stephenville, 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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Frequently asked questions
How far is RKS from SEP?
The flight distance from Rock Springs (RKS) to Stephenville (SEP) is 883 miles (1,421 km, 767 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RKS to SEP?
A nonstop flight takes about 2h 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 RKS to SEP?
Nonstop service on RKS–SEP 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 2h 23m nonstop estimate.
What is the time difference between Rock Springs and Stephenville?
Stephenville is 1 hour ahead of Rock Springs.
What is the cheapest way to fly from RKS to SEP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RKS–SEP that never appear on search engines, with no booking fees.
Why are some RKS to SEP fares phone-only?
Consolidator contracts let us sell certain RKS–SEP 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.