There are 4 ways to get from Casper to St. Louis 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 Casper (CPR) to Lambert–St. Louis International Airport (STL)plane CPR - STL
5h 29m$146–768Bus via South Greeley
- Take the bus from Casper Amtrak Station to Cheyenne, WYbus
- Take the bus from Cheyenne to Denver Union Stationbus
- Take the bus from Denver Union Station to St Louis Bus Stationbus
23h 20m$154–299Drive 1,010.5 mi
- Drive from Casper to St. Louiscar 1,010.5 mi
16h 54m$185–267Bus
- Take the bus from Casper 144 East A St to Denver Union Stationbus Buffalo
- Take the bus from Denver Union Station to St Louis Bus Stationbus Greyhound US1200
23h 35m$160–267
Casper to St. Louis by bus
Questions & Answers
The cheapest way to get from Casper to St. Louis is to bus which costs $160 - $270 and takes 23h 35m.
The fastest way to get from Casper to St. Louis is to fly which takes 5h 29m and costs $140 - $800.
No, there is no direct bus from Casper station to St. Louis station. However, there are services departing from Casper Amtrak Station and arriving at St Louis Bus Station via Cheyenne and Denver Union Station. The journey, including transfers, takes approximately 23h 20m.
The distance between Casper and St. Louis is 918 miles. The road distance is 1016.4 miles.
The best way to get from Casper to St. Louis without a car is to bus via South Greeley which takes 23h 20m and costs $150 - $300.
It takes approximately 5h 29m to get from Casper to St. Louis, including transfers.
Casper to St. Louis bus services, operated by Express Arrow, depart from Casper Amtrak Station.
The best way to get from Casper to St. Louis is to fly which takes 5h 29m and costs $140 - $800. Alternatively, you can bus via South Greeley, which costs $150 - $300 and takes 23h 20m.
Casper to St. Louis bus services, operated by Express Arrow, arrive at Cheyenne, WY station.
St. Louis is 1h ahead of Casper. It is currently 12:20 PM in Casper and 1:20 PM in St. Louis.
What companies run services between Casper, WY, USA and St. Louis, MO, USA?
United Airlines flies from Casper (CPR) to Lambert–St. Louis International Airport (STL) 3 times a day. Alternatively, you can take a bus from Casper Amtrak Station to St Louis Bus Station via Cheyenne and Denver Union Station in around 23h 20m.
- Website
- united.com
Flights from Casper to Lambert–St. Louis International Airport via Denver
- Ave. Duration
- 4h 48m
- When
- Every day
- Estimated price
- $130–750
- Phone
- +1-877-779-2999
- tony@expressarrow.com
- Website
- expressarrow.com
Bus from Casper Amtrak Station to Cheyenne, WY
- Ave. Duration
- 3h
- Frequency
- Once a week
- Estimated price
- $65–80
- Website
- https://expressarrow.com
Bus from Cheyenne to Denver Union Station
- Ave. Duration
- 2h 20m
- Frequency
- 4 times a week
- Estimated price
- $45–60
- Website
- https://expressarrow.com
Bus from Casper 144 East A St to Denver Union Station
- Ave. Duration
- 6h 5m
- Frequency
- 4 times a week
- Estimated price
- $90–110
- Website
- https://expressarrow.com
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Cheyenne to Denver Union Station
- Ave. Duration
- 1h 50m
- Frequency
- Once daily
- Estimated price
- $18–55
- Website
- https://www.greyhound.com/
Bus from Denver Union Station to St Louis Bus Station
- Ave. Duration
- 16h 30m
- Frequency
- Once daily
- Estimated price
- $70–160
- Website
- https://www.greyhound.com/
Want to know more about travelling around United States
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the US: What do I need to know?
Read the travel guide
Need to know: Greyhound
Read the travel guide
More Questions & Answers
Yes, the driving distance between Casper to St. Louis is 1016 miles. It takes approximately 16h 54m to drive from Casper to St. Louis.
There are 426+ hotels available in St. Louis.




