$222 Cheap Flights from Sioux Falls (FSD) to Casper (CPR)

View $222 flight on Fri, Nov 21, 2025Opens in a new window

Popular airlines from Sioux Falls Regional Airport (FSD) to Casper, WY (CPR-Natrona County Intl.)

Cheap Flights from Sioux Falls to Casper (FSD-CPR)

Prices were available within the past 7 days and start at $222 for one-way flights and $218 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Oct 15 - Tue, Oct 21
FSD
Sioux Falls
CPR
Casper
$218 Roundtrip, found 6 days ago
$218
Roundtrip
found 6 days ago
Select United flight, departing Wed, Oct 15 from Sioux Falls to Casper, returning Tue, Oct 21, priced at $218 found 6 days ago
United
Wed, Oct 15 - Tue, Oct 21
FSD
Sioux Falls
CPR
Casper
$225 Roundtrip, found 6 days ago
$225
Roundtrip
found 6 days ago
Select United flight, departing Wed, Oct 15 from Sioux Falls to Casper, returning Tue, Oct 21, priced at $225 found 6 days ago
United
Wed, Feb 25 - Sat, Feb 28
FSD
Sioux Falls
CPR
Casper
$228 Roundtrip, found 1 day ago
$228
Roundtrip
found 1 day ago
Select United flight, departing Wed, Feb 25 from Sioux Falls to Casper, returning Sat, Feb 28, priced at $228 found 1 day ago
United
Thu, Oct 9 - Tue, Oct 14
FSD
Sioux Falls
CPR
Casper
$230 Roundtrip, found 5 days ago
$230
Roundtrip
found 5 days ago
Select United flight, departing Thu, Oct 9 from Sioux Falls to Casper, returning Tue, Oct 14, priced at $230 found 5 days ago
United
Wed, Oct 8 - Sun, Oct 12
FSD
Sioux Falls
CPR
Casper
$231 Roundtrip, found 6 days ago
$231
Roundtrip
found 6 days ago
Select United flight, departing Wed, Oct 8 from Sioux Falls to Casper, returning Sun, Oct 12, priced at $231 found 6 days ago
United
Wed, Oct 15 - Tue, Oct 21
FSD
Sioux Falls
CPR
Casper
$236 Roundtrip, found 6 days ago
$236
Roundtrip
found 6 days ago
Select United flight, departing Wed, Oct 15 from Sioux Falls to Casper, returning Tue, Oct 21, priced at $236 found 6 days ago
United
Wed, Oct 15 - Tue, Oct 21
FSD
Sioux Falls
CPR
Casper
$242 Roundtrip, found 6 days ago
$242
Roundtrip
found 6 days ago
Select United flight, departing Wed, Oct 15 from Sioux Falls to Casper, returning Tue, Oct 21, priced at $242 found 6 days ago
United
Tue, Sep 23 - Sun, Sep 28
FSD
Sioux Falls
CPR
Casper
$243 Roundtrip, found 4 days ago
$243
Roundtrip
found 4 days ago
Select United flight, departing Tue, Sep 23 from Sioux Falls to Casper, returning Sun, Sep 28, priced at $243 found 4 days ago
United
Wed, Oct 8 - Sun, Oct 12
FSD
Sioux Falls
CPR
Casper
$250 Roundtrip, found 6 days ago
$250
Roundtrip
found 6 days ago
Select United flight, departing Wed, Oct 8 from Sioux Falls to Casper, returning Sun, Oct 12, priced at $250 found 6 days ago
United
Tue, Sep 23 - Sun, Sep 28
FSD
Sioux Falls
CPR
Casper
$258 Roundtrip, found 3 days ago
$258
Roundtrip
found 3 days ago
Select United flight, departing Tue, Sep 23 from Sioux Falls to Casper, returning Sun, Sep 28, priced at $258 found 3 days ago

Frequently asked questions

How much does a flight from Sioux Falls Regional Airport (FSD) to Natrona County Intl. Airport (CPR) cost?
Secure a cheap one-way flight from $222 or cheap return flight from $218 from Sioux Falls Regional Airport (FSD) to Natrona County Intl. Airport (CPR) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sioux Falls Regional Airport (FSD) to Natrona County Intl. Airport (CPR)?
Planning your trip for October is a great way to save, as it's the cheapest month for flights between FSD and CPR. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Sioux Falls Regional Airport (FSD) to Natrona County Intl. Airport (CPR)?
To find the cheapest airline that'll fly you from FSD to CPR, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Sioux Falls Regional Airport (FSD) to Natrona County Intl. Airport (CPR)?
There aren't any daily nonstop flights available from Sioux Falls Regional Airport (FSD) 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 soaring above the clouds before you know it.
What day of the week has the most flights from FSD to CPR?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sioux Falls Regional Airport (FSD) to Natrona County Intl. Airport (CPR)?
Choose a flight from Sioux Falls Regional Airport (FSD) to Natrona County Intl. Airport (CPR) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this hour are on average 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 Sioux Falls Regional Airport (FSD) to Natrona County Intl. Airport (CPR) last-minute?
Booking your flight from FSD to CPR shortly before your trip is generally more expensive. However, if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a FSD to CPR flight and hotel package?
You'll generally save money by securing a FSD 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 simple to manage everything in one convenient place. After selecting your preferred flights and accommodations, consider other add-ons like car rentals, tours and activities.
Can I cancel or change the date of my flight from Sioux Falls Regional Airport (FSD) to Natrona County Intl. Airport (CPR)?
If you reserved your FSD to CPR flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
Sioux Falls Regional
Destination airport
Natrona County Intl.
Airlines serving
United
Roundtrip price
$218
Distance
491 mi

Book with confidence

Book with confidence

Sioux Falls to Casper Flights

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

 

The best time to book a flight from Sioux Falls to Casper

Sunday is one of the best days to book for cheap flights from Sioux Falls 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 Sioux Falls 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 Sioux Falls to Casper in 2025. You can also book with separate airlines for your outbound and return journeys, from $222 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 Sioux Falls 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 Sioux Falls 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.

 

Sioux Falls to Casper Flights

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*Available to One Key members.