There are 3 ways to get from Rock Springs to Casper by plane, bus (Greyhound), or car
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly
best- Fly from Rock Springs-Sweetwater County Airport (RKS) to Casper (CPR)plane RKS - CPR
5h 4m$99–407Drive 219.7 mi
cheapest- Drive from Rock Springs to Caspercar 219.7 mi
4h 28m$41–58Bus
- Take the bus from Rock Springs Bus Station to Cheyennebus Greyhound US0560S
- Take the bus from Cheyenne to Casperbus Bhl 123 / ...
9h 6m$125–168
Rock Springs-Sweetwater County Airport (RKS) to Casper (CPR) flights
Comparing Your Travel Options
The cheapest way to get from Rock Springs to Casper is to drive which costs $40 - $60 and takes 4h 28m.
The fastest way to get from Rock Springs to Casper is to drive which takes 4h 28m and costs $40 - $60.
No, there is no direct bus from Rock Springs station to Casper. However, there are services departing from Rock Springs Bus Station and arriving at Casper via Cheyenne. The journey, including transfers, takes approximately 9h 6m.
The distance between Rock Springs and Casper is 183 miles. The road distance is 221 miles.
The best way to get from Rock Springs to Casper without a car is to bus which takes 9h 6m and costs $120 - $170.
It takes approximately 5h 4m to get from Rock Springs to Casper, including transfers.
Rock Springs to Casper bus services, operated by Greyhound USA, depart from Rock Springs Bus Station.
The best way to get from Rock Springs to Casper is to fly which takes 5h 4m and costs $95 - $410. Alternatively, you can bus, which costs $120 - $170 and takes 9h 6m.
Rock Springs to Casper bus services, operated by Greyhound USA, arrive at Cheyenne station.
Yes, the driving distance between Rock Springs to Casper is 221 miles. It takes approximately 4h 28m to drive from Rock Springs to Casper.
What companies run services between Rock Springs, WY, USA and Casper, WY, USA?
United Airlines flies from Rock Springs-Sweetwater County Airport (RKS) to Casper (CPR) twice daily. Alternatively, you can take a vehicle from Rock Springs to Casper via Rock Springs Bus Station and Cheyenne in around 9h 6m.
- Website
- united.com
Flights from Rock Springs-Sweetwater County Airport to Casper via Denver
- Ave. Duration
- 5h 9m
- When
- Every day
- Estimated price
- $60–360
Rome2Rio's guide to Greyhound USA
Contact DetailsContact Details
- Phone
- +1 214-849-8100
- [email protected]
- Website
- Greyhound
Bus from Rock Springs Bus Station to Cheyenne
- Ave. Duration
- 4h 30m
- Frequency
- Once daily
- Estimated price
- $45–70
- Website
- Greyhound
- Phone
- +1-877-779-2999
- [email protected]
- Website
- Express Arrow
Bus from Cheyenne to Casper
- Ave. Duration
- 3h 30m
- Frequency
- 5 times a week
- Estimated price
- $65–80
- Website
- Express Arrow
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Booking & Getting There
There are 43+ hotels available in Casper.




