Cheap flights from St. Louis to Casper (STL - CPR) from $315
This is the cheapest one-way flight price, found on 9/24. Prices may vary by date and flight preferences.
How to find the cheapest flight from St. Louis (STL) to Casper (CPR)
All the information you need to plan the best STL to CPR flight in 2023: compare St. Louis to Casper flight prices with the expected peak season, weather and rainfall in Casper.
Popular in | June |
|---|---|
Cheapest in | October |
Round-trip from | $344 |
STL - CPR Price | $344 - $695 |
|---|---|
CPR Temperature | 23 - 69.8 °F |
CPR Rainfall | 0.5 - 2 inches |
What is the cheapest month to fly from St. Louis to Casper?
Due to multiple factors, expect to potentially pay more when booking in June. For low rates, October can be a great choice for travel to Casper. Flights to Casper from St. Louis in October are about $634 on average during October, but can be found for as low as $428.
When is the cheapest time to fly from St. Louis to Casper (STL - CPR)?
It’s typically best to fly out from St. Louis to Casper in the morning. Doing so could potentially save you 6% on the flight price compared to flying at noon, which is usually more expensive.
Cheap Delta flights from St. Louis to Casper
Find some of the cheapest Delta flights traveling from St. Louis to Casper. Deals update often to give you more flight options matching your criteria
Cheap United Airlines flights from St. Louis to Casper
Have a look at some of the cheapest available United Airlines flights departing from St. Louis and landing in Casper. Make sure to examine the flight information before completing your reservation.
Cheap St. Louis to Casper flights in September & October 2023
The best prices found for STL to CPR flights for September, October
Listed are some of the best fares we've found on flights departing from St. Louis to Casper in 2023. For more flight deals, be sure to check back very soon.
St. Louis to Casper 2023 flight deals
Cheap flights to Casper from St. Louis found for this year
Listed are some of the best fares we've found on flights departing from St. Louis to Casper in 2023. For more flight deals, be sure to check back very soon.
Find flights from St. Louis to Casper within your budget
Use the slider to find flights from St. Louis to Casper that fit your budget.
Fly from
Fly to
Budget
$315 - $1,557
Route
Depart
Return
Price
Lambert-St LouisCasper Natrona County
STL - CPR
STLCPR
Lambert-St Louis
Tue 10/24
1 stop5h 21m
Casper Natrona County
Tue 10/31
1 stop6h 22m
Lambert-St LouisCasper Natrona County
STL - CPR
STLCPR
Lambert-St Louis
Tue 10/24
1 stop5h 21m
Casper Natrona County
Tue 10/31
2 stops11h 32m
Lambert-St LouisCasper Natrona County
STL - CPR
STLCPR
Lambert-St Louis
Wed 10/25
1 stop15h 27m
Casper Natrona County
Wed 11/1
2 stops19h 08m
Lambert-St LouisCasper Natrona County
STL - CPR
STLCPR
Lambert-St Louis
Thu 3/14
1 stop8h 21m
Casper Natrona County
Thu 3/21
1 stop4h 08m
Lambert-St LouisCasper Natrona County
STL - CPR
STLCPR
Lambert-St Louis
Thu 3/14
2 stops14h 47m
Casper Natrona County
Thu 3/21
1 stop4h 08m
Lambert-St LouisCasper Natrona County
STL - CPR
STLCPR
Lambert-St Louis
Wed 10/25
2 stops9h 31m
Casper Natrona County
Wed 11/1
2 stops7h 41m
Lambert-St LouisCasper Natrona County
STL - CPR
STLCPR
Lambert-St Louis
Tue 10/24
2 stops13h 16m
Casper Natrona County
Tue 10/31
2 stops7h 37m
Lambert-St LouisCasper Natrona County
STL - CPR
STLCPR
Lambert-St Louis
Thu 3/14
2 stops9h 25m
Casper Natrona County
Thu 3/21
2 stops9h 51m
Reviews of airlines servicing Casper
Peruse reviews from past customers who have flown with Delta and United Airlines from St. Louis to Casper to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Food
Overall
Comfort
Crew
Entertainment
Reviews
Entire process from checking bags to flight to landing to luggage retrieval was very smooth.
Boarding
Food
Overall
Comfort
Crew
Entertainment
Reviews
Entire process from checking bags to flight to landing to luggage retrieval was very smooth.
Boarding
Food
Overall
Comfort
Crew
Entertainment
Reviews
Entire process from checking bags to flight to landing to luggage retrieval was very smooth.
Related info for your journey
Useful info, stats and facts about St. Louis to Casper flights.
Can I find flights from St. Louis to Casper for under $400 on Cheapflights?
Yes, there are multiple flights from St. Louis to Casper for under $400. The cheapest flight booked recently is on Delta for just $315, but on average you can expect to pay $612.
What are the cheapest airlines flying from St. Louis to Casper round-trip?
Cheapflights users have booked flights from St. Louis to Casper round-trip from $315. Another airline that can offer you cheap pricing is United Airlines. Delta is currently priced 50% below the average price you’ll pay for this route.
What does STL to CPR mean?
Great question - STL to CPR just means Lambert-St Louis Airport to Casper Natrona County Airport. Now you’ll know what these unique codes when you look for flights!