Cheap Flights from Rock Springs (RKS) to Casper (CPR)

Popular airlines from Rock Springs, WY (RKS-Sweetwater County) to Casper, WY (CPR-Natrona County Intl.)

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Frequently asked questions

How much does a flight from Sweetwater County Airport (RKS) to Natrona County Intl. Airport (CPR) cost?
Secure a cheap one-way flight or cheap return flight from Sweetwater County Airport (RKS) to Natrona County Intl. Airport (CPR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Sweetwater County Airport (RKS) to Natrona County Intl. Airport (CPR)?
Flying in may help you find better deals, as it's the cheapest month for flights between RKS and CPR. You'll typically find the lowest fares during the off-season.
What is the cheapest airline that flies from Sweetwater County Airport (RKS) to Natrona County Intl. Airport (CPR)?
To find the cheapest airline flying from RKS to CPR, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Sweetwater County Airport (RKS) to Natrona County Intl. Airport (CPR)?
You'll need to hop on a flight with a layover if you're traveling from Sweetwater County Airport (RKS) to Natrona County Intl. Airport (CPR). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from RKS to CPR?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on various factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sweetwater County Airport (RKS) to Natrona County Intl. Airport (CPR)?
Select a flight from Sweetwater County Airport (RKS) to Natrona County Intl. Airport (CPR) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 Sweetwater County Airport (RKS) to Natrona County Intl. Airport (CPR) last-minute?
Last-minute bookings from RKS to CPR are generally more expensive. To lock in the best rates, start looking for flights ahead of time. That being said, if you're flexible with your travel dates, you may land a cheap fare right before you leave.
Is it cheaper to book a RKS to CPR flight and hotel package?
You'll generally save money by booking a RKS to CPR flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. After choosing your ideal flights and accommodations, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Sweetwater County Airport (RKS) to Natrona County Intl. Airport (CPR)?
If you booked your RKS to CPR flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Travel information

Origin airport
Sweetwater County
Destination airport
Natrona County Intl.
Distance
160 mi

Book with confidence

Book with confidence

Rock Springs to Casper Flights

The cheapest times to fly from Rock Springs 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 Rock Springs to Casper are during the month of . You can find some of the cheapest flights from Rock Springs to Casper with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Rock Springs to Casper

Sunday is one of the best days to book for cheap flights from Rock Springs 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 Rock Springs 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 Rock Springs 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 Rock Springs 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 Rock Springs 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.

 

Rock Springs to Casper Flights

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*Available to One Key members.