Cheap Flights from Rapid City (RAP) to Casper (CPR)

Popular airlines from Rapid City Regional Airport (RAP) to Casper, WY (CPR-Natrona County Intl.)

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Flights from Rapid City (RAP) to Casper (CPR)
Origin airport
Rapid City Regional
Destination airport
Natrona County Intl.
Distance
188 mi

Rapid City to Casper Flights

The cheapest times to fly from Rapid City to Casper

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Rapid City to Casper are during the month of . You can find some of the cheapest flights from Rapid City to Casper with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rapid City to Casper

Sunday is one of the best days to book for cheap flights from Rapid City to Casper: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Rapid City to Casper

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Rapid City to Casper in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Rapid City to Casper flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Rapid City to Casper airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Rapid City Regional Airport (RAP) to Natrona County Intl. Airport (CPR) cost?
Discover the latest flight deals from RAP to CPR by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from RAP to CPR?
The cheapest flights from RAP to CPR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from RAP to CPR?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from RAP to CPR. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Rapid City Regional Airport (RAP) to Natrona County Intl. Airport (CPR)?
There aren't any daily direct flights available from Rapid City Regional Airport (RAP) to Natrona County Intl. Airport (CPR). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be cruising above the clouds in no time at all.
What day of the week has the most flights from RAP to CPR?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Rapid City Regional Airport (RAP) to Natrona County Intl. Airport (CPR)?
To avoid potential delays on the Rapid City Regional Airport (RAP) to Natrona County Intl. Airport (CPR) route, aim to travel before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Rapid City Regional Airport (RAP) to Natrona County Intl. Airport (CPR) last-minute?
Last-minute bookings from RAP to CPR are generally more expensive. To lock in the best rates, start looking for flights as soon as possible. That said, if you're flexible with your travel dates, it's possible to land a cheap fare just before your departure.
Is it cheaper to book a RAP to CPR flight and hotel package?
Compared with arranging hotels and flights separately, booking a RAP to CPR flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one convenient place will take the hassle out of planning your trip. Just secure your flights and select from our extensive range of hotels, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Rapid City Regional Airport (RAP) to Natrona County Intl. Airport (CPR)?
In most cases, you can reschedule or cancel your RAP to CPR flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you'd like further details, go to our Customer Service portal.

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