Cheap Flights from St. George (SGU) to Casper (CPR)

Popular airlines from St. George Regional Airport (SGU) to Casper, WY (CPR-Natrona County Intl.)

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Cheap Flights from St. George to Casper (SGU-CPR)

Prices were available within the past 7 days and start at for one-way flights and $309 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Mar 3 - Tue, Mar 10
SGU
St. George
CPR
Casper
$309 Roundtrip, found 3 days ago
$309
Roundtrip
found 3 days ago
Select United flight, departing Tue, Mar 3 from St. George to Casper, returning Tue, Mar 10, priced at $309 found 3 days ago
United
Tue, Mar 3 - Tue, Mar 10
SGU
St. George
CPR
Casper
$327 Roundtrip, found 3 days ago
$327
Roundtrip
found 3 days ago
Select United flight, departing Tue, Mar 3 from St. George to Casper, returning Tue, Mar 10, priced at $327 found 3 days ago
United
Sat, Mar 14 - Wed, Mar 18
SGU
St. George
CPR
Casper
$358 Roundtrip, just found
$358
Roundtrip
just found
Select United flight, departing Sat, Mar 14 from St. George to Casper, returning Wed, Mar 18, priced at $358 just found
United
Sat, Mar 21 - Mon, Mar 23
SGU
St. George
CPR
Casper
$379 Roundtrip, found 2 days ago
$379
Roundtrip
found 2 days ago
Select United flight, departing Sat, Mar 21 from St. George to Casper, returning Mon, Mar 23, priced at $379 found 2 days ago
United
Sat, Mar 21 - Mon, Mar 23
SGU
St. George
CPR
Casper
$380 Roundtrip, found 2 days ago
$380
Roundtrip
found 2 days ago
Select United flight, departing Sat, Mar 21 from St. George to Casper, returning Mon, Mar 23, priced at $380 found 2 days ago
United
Thu, Mar 12 - Wed, Mar 18
SGU
St. George
CPR
Casper
$388 Roundtrip, just found
$388
Roundtrip
just found
Select United flight, departing Thu, Mar 12 from St. George to Casper, returning Wed, Mar 18, priced at $388 just found
United
Tue, Mar 10 - Wed, Mar 18
SGU
St. George
CPR
Casper
$393 Roundtrip, just found
$393
Roundtrip
just found
Select United flight, departing Tue, Mar 10 from St. George to Casper, returning Wed, Mar 18, priced at $393 just found
United
Sat, Jul 11 - Fri, Jul 17
SGU
St. George
CPR
Casper
$393 Roundtrip, found 3 days ago
$393
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jul 11 from St. George to Casper, returning Fri, Jul 17, priced at $393 found 3 days ago
United
Tue, Mar 3 - Tue, Mar 10
SGU
St. George
CPR
Casper
$397 Roundtrip, found 3 days ago
$397
Roundtrip
found 3 days ago
Select United flight, departing Tue, Mar 3 from St. George to Casper, returning Tue, Mar 10, priced at $397 found 3 days ago
United
Sat, Jul 11 - Sat, Jul 18
SGU
St. George
CPR
Casper
$401 Roundtrip, found 3 days ago
$401
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jul 11 from St. George to Casper, returning Sat, Jul 18, priced at $401 found 3 days ago
United
Fri, Mar 13 - Mon, Mar 16
SGU
St. George
CPR
Casper
$403 Roundtrip, just found
$403
Roundtrip
just found
Select United flight, departing Fri, Mar 13 from St. George to Casper, returning Mon, Mar 16, priced at $403 just found
United
Sat, Mar 21 - Mon, Mar 23
SGU
St. George
CPR
Casper
$405 Roundtrip, found 2 days ago
$405
Roundtrip
found 2 days ago
Select United flight, departing Sat, Mar 21 from St. George to Casper, returning Mon, Mar 23, priced at $405 found 2 days ago
United
Tue, Mar 3 - Tue, Mar 10
SGU
St. George
CPR
Casper
$406 Roundtrip, found 3 days ago
$406
Roundtrip
found 3 days ago
Select United flight, departing Tue, Mar 3 from St. George to Casper, returning Tue, Mar 10, priced at $406 found 3 days ago
United
Fri, Mar 13 - Mon, Mar 16
SGU
St. George
CPR
Casper
$408 Roundtrip, just found
$408
Roundtrip
just found
Select United flight, departing Fri, Mar 13 from St. George to Casper, returning Mon, Mar 16, priced at $408 just found
United
Tue, Mar 3 - Tue, Mar 10
SGU
St. George
CPR
Casper
$422 Roundtrip, found 3 days ago
$422
Roundtrip
found 3 days ago
Select United flight, departing Tue, Mar 3 from St. George to Casper, returning Tue, Mar 10, priced at $422 found 3 days ago
United
Fri, Mar 13 - Sat, Mar 14
SGU
St. George
CPR
Casper
$433 Roundtrip, just found
$433
Roundtrip
just found
Select United flight, departing Fri, Mar 13 from St. George to Casper, returning Sat, Mar 14, priced at $433 just found
United
Sun, Jul 12 - Sat, Jul 18
SGU
St. George
CPR
Casper
$436 Roundtrip, found 3 days ago
$436
Roundtrip
found 3 days ago
Select United flight, departing Sun, Jul 12 from St. George to Casper, returning Sat, Jul 18, priced at $436 found 3 days ago
United
Tue, Mar 10 - Tue, Mar 17
SGU
St. George
CPR
Casper
$439 Roundtrip, just found
$439
Roundtrip
just found
Select United flight, departing Tue, Mar 10 from St. George to Casper, returning Tue, Mar 17, priced at $439 just found
United
Tue, Mar 3 - Tue, Mar 10
SGU
St. George
CPR
Casper
$440 Roundtrip, found 3 days ago
$440
Roundtrip
found 3 days ago
Select United flight, departing Tue, Mar 3 from St. George to Casper, returning Tue, Mar 10, priced at $440 found 3 days ago
United
Sat, Jul 11 - Wed, Jul 15
SGU
St. George
CPR
Casper
$441 Roundtrip, found 3 days ago
$441
Roundtrip
found 3 days ago
Select United flight, departing Sat, Jul 11 from St. George to Casper, returning Wed, Jul 15, priced at $441 found 3 days ago

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Alternative airports near Casper

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Natrona County Intl. CPR. Cheapest and Closest option available. Average driving time to city center is 12 minutes. Flights from $358
CPR
Natrona County Intl.
CheapestClosest
Average driving time to city center12 min
Flights from $358

Frequently asked questions

How much does a flight from St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.) cost?
You can find cheap one-way flights and cheap return flights from $309 St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.) with Expedia. One-way flights typically cost between $235 and $543, and return flights often range between $263 and $605. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.)?
The cheapest month to fly from SGU to CPR is March when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.)?
Enter SGU to CPR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.)?
United is one of the cheapest airlines offering connecting flights from St. George (SGU) to Casper (CPR) with a layover in Los Angeles Intl. (LAX), starting from around $477 for a round-trip ticket. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.)?
To find a cheap flight from St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.)?
The earliest flight from St. George, UT (SGU) to Casper, WY (CPR) typically departs at around 5:00 AM local time, operated by United. This is a seasonal service active in October, which can be ideal for fall travel. An early departure helps you maximize your time in Casper. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.)?
The most popular departure times for flights from St. George, UT (SGU) to Casper, WY (CPR) are from 12pm to 3pm. About 38% of passengers prefer this time window. Many major carriers, including United Airlines, offer flights during this window. This timing works well because it allows you to travel after a leisurely morning.
How long does it take to fly from St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.)?
Flights from SGU to CPR with one stop typically take around 4 hours 50 minutes, covering approximately 550 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.)?
Select the "Business class" and "First class" filters when looking for SGU to CPR flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.) flight with Expedia?
It's easy to earn miles on a St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Casper from SGU (SGU)?
From SGU (SGU), you can fly into Natrona County Intl. (CPR) to reach Casper. Some flights may connect through major hubs like Los Angeles Intl. (LAX) before reaching Casper. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.) at the last minute?
Typically, booking a last minute flight from St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.) flight and hotel package?
Securing a St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.) flight and hotel package is usually 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 stays and then add flights, activities 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 St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.)?
If you booked your St. George, UT (SGU) to Casper, WY (CPR-Natrona County Intl.) 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 ticket 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

Origin airport
St. George
Destination airport
Natrona County Intl.
Roundtrip price
$309
Distance
550 mi

Book with confidence

St. George to Casper Flights

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

 

The best time to book a flight from St. George to Casper

Sunday is one of the best days to book for cheap flights from St. George 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 St. George 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 St. George to Casper in 2026. 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 St. George 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 St. George 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.

 

St. George to Casper Flights

*Flight schedules are subject to change.

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*Available to One Key members.