$726 Cheap Flights from Casper (CPR) to Riverton (RIW)

View $726 flight on Wed, Nov 5, 2025Opens in a new window

Popular airlines from Casper, WY (CPR-Natrona County Intl.) to Riverton, WY (RIW-Riverton Regional)

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Cheap Flights from Casper to Riverton (CPR-RIW)

Prices were available within the past 7 days and start at $726 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Casper (CPR) to Riverton (RIW)
Origin airport
Natrona County Intl.
Destination airport
Riverton Regional
Distance
101 mi

Casper to Riverton Flights

The cheapest times to fly from Casper to Riverton

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

 

The best time to book a flight from Casper to Riverton

Sunday is one of the best days to book for cheap flights from Casper to Riverton: 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 Casper to Riverton

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 Casper to Riverton in 2025. You can also book with separate airlines for your outbound and return journeys, from $726 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 Casper to Riverton 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 Casper to Riverton 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 Natrona County Intl. Airport (CPR) to Riverton Regional Airport (RIW) cost?
Snag a cheap one-way flight from $726 or cheap return flight from Natrona County Intl. Airport (CPR) to Riverton Regional Airport (RIW) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Natrona County Intl. Airport (CPR) to Riverton Regional Airport (RIW)?
The cheapest month to fly from CPR to RIW is , when there's less demand. Off-peak months are typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Natrona County Intl. Airport (CPR) to Riverton Regional Airport (RIW)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from CPR to RIW. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Natrona County Intl. Airport (CPR) to Riverton Regional Airport (RIW)?
There are no daily nonstop flights available from Natrona County Intl. Airport (CPR) to Riverton Regional Airport (RIW). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from CPR to RIW?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* But this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Natrona County Intl. Airport (CPR) to Riverton Regional Airport (RIW)?
To avoid potential delays on the Natrona County Intl. Airport (CPR) to Riverton Regional Airport (RIW) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being 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 Natrona County Intl. Airport (CPR) to Riverton Regional Airport (RIW) last-minute?
Booking your flight from CPR to RIW shortly before your getaway is generally more expensive. But if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a CPR to RIW flight and hotel package?
Booking a CPR to RIW flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of accommodations and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Natrona County Intl. Airport (CPR) to Riverton Regional Airport (RIW)?
If you reserved your CPR to RIW 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, go to our Customer Service portal for more details.

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