$298 Cheap Flights from Austin (AUS) to Casper (CPR)

View $298 flight on Fri, Jul 31, 2026Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Casper, WY (CPR-Natrona County Intl.)

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Cheap Flights from Austin to Casper (AUS-CPR)

Prices were available within the past 7 days and start at $298 for one-way flights and $308 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Aug 2 - Sat, Aug 15
AUS
Austin
CPR
Casper
$308 Roundtrip, found 2 days ago
$308
Roundtrip
found 2 days ago
Select United flight, departing Sun, Aug 2 from Austin to Casper, returning Sat, Aug 15, priced at $308 found 2 days ago
United
Sat, Jul 11 - Wed, Jul 15
AUS
Austin
CPR
Casper
$314 Roundtrip, found 6 days ago
$314
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jul 11 from Austin to Casper, returning Wed, Jul 15, priced at $314 found 6 days ago
United
Thu, Sep 3 - Tue, Sep 8
AUS
Austin
CPR
Casper
$337 Roundtrip, found 3 days ago
$337
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 3 from Austin to Casper, returning Tue, Sep 8, priced at $337 found 3 days ago
United
Sat, Jul 11 - Wed, Jul 15
AUS
Austin
CPR
Casper
$343 Roundtrip, found 6 days ago
$343
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jul 11 from Austin to Casper, returning Wed, Jul 15, priced at $343 found 6 days ago
United
Sat, Jul 11 - Wed, Jul 15
AUS
Austin
CPR
Casper
$344 Roundtrip, found 6 days ago
$344
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jul 11 from Austin to Casper, returning Wed, Jul 15, priced at $344 found 6 days ago
United
Sat, Jul 11 - Wed, Jul 15
AUS
Austin
CPR
Casper
$348 Roundtrip, found 6 days ago
$348
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jul 11 from Austin to Casper, returning Wed, Jul 15, priced at $348 found 6 days ago
United
Fri, Jul 31 - Thu, Aug 6
AUS
Austin
CPR
Casper
$351 Roundtrip, found 4 days ago
$351
Roundtrip
found 4 days ago
Select United flight, departing Fri, Jul 31 from Austin to Casper, returning Thu, Aug 6, priced at $351 found 4 days ago
United
Sat, Jul 11 - Wed, Jul 15
AUS
Austin
CPR
Casper
$357 Roundtrip, found 6 days ago
$357
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jul 11 from Austin to Casper, returning Wed, Jul 15, priced at $357 found 6 days ago
United
Sat, Jun 27 - Mon, Jun 29
AUS
Austin
CPR
Casper
$358 Roundtrip, found 6 days ago
$358
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jun 27 from Austin to Casper, returning Mon, Jun 29, priced at $358 found 6 days ago
United
Sat, Jul 11 - Wed, Jul 15
AUS
Austin
CPR
Casper
$364 Roundtrip, found 6 days ago
$364
Roundtrip
found 6 days ago
Select United flight, departing Sat, Jul 11 from Austin to Casper, returning Wed, Jul 15, priced at $364 found 6 days ago

What you need to know for your flight from Austin-Bergstrom Intl. to Natrona County Intl.

Austin (AUS) to Casper (CPR) at a glance

Travel from Austin (AUS) to Casper (CPR) on this domestic short-haul route with a full-service airline. Discover the best itinerary that aligns with your travel plans while you explore the renowned sights and neighborhoods of Casper. Here, you'll find essential information about flights from Austin-Bergstrom International Airport (AUS) to Natrona County International Airport (CPR).

  • Fastest flight duration: around 3h 30m in-flight, plus roughly 1h 30m layover with one stop
  • Route distance: roughly 1,000 miles (1,610 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $130–$485, depending on seasonality and how far ahead you book

Flights from Austin-Bergstrom International Airport (AUS) to Natrona County International Airport (CPR)

Based on the latest traveler bookings, here are the most sought-after airlines flying from Austin to Casper, often favored for their one-stop services with a common layover at Denver International Airport (DEN), which typically lasts about 1 hour and 30 minutes. This allows you the flexibility to compare prices, total travel time, and cabin classes to discover the ideal itinerary for your journey.

  • United: As a comprehensive airline, United provides a convenient one-stop service, dominating this route with the majority of departures. One-way ticket prices usually fall between $130 and $485. The in-flight duration is around 3 hours and 30 minutes, leading to a total travel time of approximately 5 hours, including the layover.

Alternative route from Austin (AUS) to Casper (CPR)

  • San Antonio to Casper (SAT-CPR): San Antonio International Airport (SAT) is located approximately 67 miles from Austin-Bergstrom International Airport (AUS). One-way economy ticket prices for this journey generally range from $140 to $485, influenced by seasonal demand and booking timing. Typically, travelers will find one-stop flights, with most connections occurring at Denver International Airport (DEN). United Airlines is the leading carrier for this route.

How to find the best prices for flights from Austin (AUS) to Casper (CPR)

Getting some of the best deals on flights from Austin to Casper is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2-8 weeks in advance, although most travelers tend to book within 2 weeks. Evening departures from 6 PM to 12 AM often offer lower prices, while afternoon flights from 12 PM to 6 PM are the most popular. Additionally, flying on Thursday generally results in cheaper fares, even though Wednesday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Casper hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Natrona County International Airport from Austin-Bergstrom International Airport

Casper welcomes travelers from Austin with a range of transport options based on price, convenience, and proximity. Here's how to reach Casper efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Casper, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Natrona County International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Natrona County International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Natrona County International Airport, Casper Seaport, a seaport, is located about 0.4 miles away by car.

Frequently asked questions

How much does a flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Casper, WY (CPR-Natrona County Intl.) cost?
You can find cheap one-way flights from $298 and cheap return flights from $308 Austin, TX (AUS-Austin-Bergstrom Intl.) to Casper, WY (CPR-Natrona County Intl.) with Expedia. One-way flights usually range from $265 to $613, and return flights typically cost between $386 and $2023. 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 Austin, TX (AUS-Austin-Bergstrom Intl.) 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The cheapest month to fly from AUS to CPR is August 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Enter AUS to CPR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Casper, WY (CPR-Natrona County Intl.)?
To find a cheap flight from Austin, TX (AUS-Austin-Bergstrom Intl.) 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 Austin, TX (AUS-Austin-Bergstrom Intl.) 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The earliest flight from Austin-Bergstrom International Airport (AUS) to Natrona County International Airport (CPR) usually departs at around 5:00 AM, operated by Delta and United. This service is seasonal and active in December. An early departure can help you make the most of 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The most popular departure times for flights from Austin (AUS) to Casper (CPR) are in the early morning, from 6am to 9am. About 37% of passengers prefer this time window. Many major carriers, including United Airlines, American Airlines, and Delta Air Lines, offer flights during this period. This timing works well because it allows you to arrive in Casper with plenty of time to enjoy your day.
How long does it take to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Flying from AUS to CPR with a connection usually takes about 5 hours, traveling roughly 1,003 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Casper, WY (CPR-Natrona County Intl.)?
First class seats are offered on the AUS to CPR route with United Airlines.
How do I earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) to Casper, WY (CPR-Natrona County Intl.) flight with Expedia?
It's easy to earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) 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 Austin-Bergstrom Intl. (AUS)?
If you're planning to travel to Casper from Austin-Bergstrom Intl. (AUS), you can fly into Natrona County Intl. (CPR) Some flights may connect through major hubs like Los Angeles Intl. (LAX), Salt Lake City Intl. (SLC), Minneapolis - St. Paul Intl. (MSP) 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Casper, WY (CPR-Natrona County Intl.) at the last minute?
Typically, booking a last minute flight from Austin, TX (AUS-Austin-Bergstrom Intl.) 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Casper, WY (CPR-Natrona County Intl.) flight and hotel package?
Securing a Austin, TX (AUS-Austin-Bergstrom Intl.) 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 Austin, TX (AUS-Austin-Bergstrom Intl.) to Casper, WY (CPR-Natrona County Intl.)?
If you booked your Austin, TX (AUS-Austin-Bergstrom Intl.) 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
Austin-Bergstrom Intl.
Destination airport
Natrona County Intl.
Airlines serving
United
Roundtrip price
$308
Distance
1002 mi

Book with confidence

Austin to Casper Flights

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

 

The best time to book a flight from Austin to Casper

Sunday is one of the best days to book for cheap flights from Austin 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 Austin 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 Austin to Casper in 2026. You can also book with separate airlines for your outbound and return journeys, from $298 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 Austin 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 Austin 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.

 

Austin to Casper Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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