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BIS to RKS: distance & flight time
Bismarck (Bismarck Municipal Airport) → Rock Springs (Southwest Wyoming Regional Airport)
545 mi
878 km · 474 nm
1h 39m
estimated nonstop flight time
-1h
time difference · heading southwest
See live BIS→RKS fares Phone-only fares on this route — call free
Flight time details
545 miles nonstop takes roughly 1h 39m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- BIS — Bismarck Municipal Airport · Bismarck, 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 BIS
- MBG · Mobridge Municipal Airport86 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport97 mi away
- JMS · Jamestown Regional Airport98 mi away
- MOT · Minot International Airport106 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 BIS from RKS?
The flight distance from Bismarck (BIS) to Rock Springs (RKS) is 545 miles (878 km, 474 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BIS to RKS?
A nonstop flight takes about 1h 39m 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 BIS to RKS?
Nonstop service on BIS–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 39m nonstop estimate.
What is the time difference between Bismarck and Rock Springs?
Rock Springs is 1 hour behind Bismarck.
What is the cheapest way to fly from BIS to RKS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BIS–RKS that never appear on search engines, with no booking fees.
Why are some BIS to RKS fares phone-only?
Consolidator contracts let us sell certain BIS–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.