A golf course with a pond, green fields, and distant mountains.

$318 Cheap Flights from Atlanta (ATL) to Casper (CPR)

View $318 flight on Wed, Aug 12, 2026Opens in a new window

Popular airlines from Hartsfield-Jackson Atlanta International Airport (ATL) to Casper, WY (CPR-Natrona County Intl.)

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Cheap Flights from Atlanta to Casper (ATL-CPR)

Prices were available within the past 7 days and start at $318 for one-way flights and $318 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Aug 14 - Wed, Aug 19
ATL
Atlanta
CPR
Casper
$318 Roundtrip, found 3 hours ago
$318
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Aug 14 from Atlanta to Casper, returning Wed, Aug 19, priced at $318 found 3 hours ago
United
Fri, Aug 14 - Wed, Aug 19
ATL
Atlanta
CPR
Casper
$324 Roundtrip, found 3 hours ago
$324
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Aug 14 from Atlanta to Casper, returning Wed, Aug 19, priced at $324 found 3 hours ago
United
Fri, Aug 28 - Sat, Aug 29
ATL
Atlanta
CPR
Casper
$329 Roundtrip, found 5 hours ago
$329
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Aug 28 from Atlanta to Casper, returning Sat, Aug 29, priced at $329 found 5 hours ago
United
Wed, Jul 29 - Wed, Aug 5
ATL
Atlanta
CPR
Casper
$353 Roundtrip, found 4 days ago
$353
Roundtrip
found 4 days ago
Select United flight, departing Wed, Jul 29 from Atlanta to Casper, returning Wed, Aug 5, priced at $353 found 4 days ago
United
Fri, Aug 14 - Wed, Aug 19
ATL
Atlanta
CPR
Casper
$355 Roundtrip, found 3 hours ago
$355
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Aug 14 from Atlanta to Casper, returning Wed, Aug 19, priced at $355 found 3 hours ago
United
Sat, Sep 12 - Sat, Sep 19
ATL
Atlanta
CPR
Casper
$357 Roundtrip, found 19 hours ago
$357
Roundtrip
found 19 hours ago
Select United flight, departing Sat, Sep 12 from Atlanta to Casper, returning Sat, Sep 19, priced at $357 found 19 hours ago
United
Sat, Aug 8 - Tue, Aug 18
ATL
Atlanta
CPR
Casper
$359 Roundtrip, found 2 days ago
$359
Roundtrip
found 2 days ago
Select United flight, departing Sat, Aug 8 from Atlanta to Casper, returning Tue, Aug 18, priced at $359 found 2 days ago
United
Fri, Aug 14 - Wed, Aug 19
ATL
Atlanta
CPR
Casper
$360 Roundtrip, found 3 hours ago
$360
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Aug 14 from Atlanta to Casper, returning Wed, Aug 19, priced at $360 found 3 hours ago
United
Fri, Aug 28 - Sat, Aug 29
ATL
Atlanta
CPR
Casper
$362 Roundtrip, found 5 hours ago
$362
Roundtrip
found 5 hours ago
Select United flight, departing Fri, Aug 28 from Atlanta to Casper, returning Sat, Aug 29, priced at $362 found 5 hours ago
United
Fri, Aug 14 - Wed, Aug 19
ATL
Atlanta
CPR
Casper
$364 Roundtrip, found 3 hours ago
$364
Roundtrip
found 3 hours ago
Select United flight, departing Fri, Aug 14 from Atlanta to Casper, returning Wed, Aug 19, priced at $364 found 3 hours ago

Find the cheapest month to fly from Atlanta (ATL) to Casper (CPR)

May is typically the cheapest month to fly

From $258 - $836 per traveler.

What you need to know for your flight from Hartsfield-Jackson Atlanta Intl. to Natrona County Intl.

Atlanta (ATL) to Casper (CPR) at a glance

Travel from Hartsfield-Jackson Atlanta International Airport (ATL) to Natrona County International Airport (CPR) on a domestic short-haul flight. Discover the itinerary that aligns with your travel schedule as you visit Casper and its renowned attractions and neighborhoods. Get ready to explore various options for Atlanta to Casper flights and find the best Atlanta to Casper airfare to suit your needs.

  • Fastest flight duration: around 4h 30m in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 1,400 miles (2,250 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $130–$515, depending on seasonality and how far ahead you book

Flights from Hartsfield-Jackson Atlanta International Airport (ATL) to Natrona County International Airport (CPR)

According to recent travel bookings, here are the top airlines favored for flights from Atlanta to Casper, often selected for their one-stop services. A common layover is at Denver International Airport (DEN), which typically lasts about 1 hour and 15 minutes. This allows you to adjust your choices based on price, total travel time, and cabin class for the ideal itinerary.

  • United: This comprehensive airline provides a convenient one-stop service, covering nearly all departures on this route. One-way ticket prices generally fall between $130 and $515, with a flight duration of 4 hours and 30 minutes. Overall, the travel time, including layover, is approximately 6 hours.

How to find the best prices for flights from Atlanta (ATL) to Casper (CPR)

Getting some of the best deals on flights from Atlanta 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 generally found when booking at least two months in advance, which coincides with when most travelers make their reservations. Morning departures, from 5 a.m. to 12 p.m., often provide lower prices and are also the most popular. Additionally, flying on Wednesday typically offers cheaper rates, although Friday remains the most popular 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 Hartsfield-Jackson Atlanta International Airport

Casper welcomes travelers from Atlanta with a range of transport options based on price, convenience, and proximity. For departures, Hartsfield-Jackson Atlanta International Airport is roughly a 10-minute drive (covering about 10 miles) from central Atlanta. 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 Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Casper, WY (CPR-Natrona County Intl.) cost?
You can find cheap one-way flights from $318 and cheap return flights from $318 Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Casper, WY (CPR-Natrona County Intl.) with Expedia. One-way flights usually range from $384 to $1080, and return flights typically cost between $440 and $1849. 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 Atlanta, GA (ATL-Hartsfield-Jackson Atlanta 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 Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The cheapest month to fly from ATL 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 Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Enter ATL to CPR and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Casper, WY (CPR-Natrona County Intl.)?
United is one of the cheapest airlines offering connecting flights from Atlanta (ATL) to Casper (CPR), with round-trip tickets starting from around $258. 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 Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Casper, WY (CPR-Natrona County Intl.)?
To find a cheap flight from Atlanta, GA (ATL-Hartsfield-Jackson Atlanta 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 Atlanta, GA (ATL-Hartsfield-Jackson Atlanta 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 Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Casper, WY (CPR-Natrona County Intl.)?
The earliest flight from Atlanta (ATL) to Casper (CPR) typically departs at around 5:30 AM, operated by United. This seasonal service is available in November, allowing you to 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 Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Casper, WY (CPR-Natrona County Intl.)?
For flights from Atlanta, GA (ATL) to Casper, WY (CPR), the most popular departure times are from 9am to noon. About 39% of travelers choose this time window. Many major carriers, including Delta Airlines and United Airlines, operate flights during this period. This timing is great because it allows you to start your day early and arrive in Casper with plenty of time to explore.
How long does it take to fly from Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Casper, WY (CPR-Natrona County Intl.)?
Flying from ATL to CPR with a connection usually takes about 7 hours 50 minutes, traveling roughly 1,349 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 Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Casper, WY (CPR-Natrona County Intl.)?
First class seats are offered on the ATL to CPR route with United Airlines.
How do I earn miles on a Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Casper, WY (CPR-Natrona County Intl.) flight with Expedia?
It's easy to earn miles on a Atlanta, GA (ATL-Hartsfield-Jackson Atlanta 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 Hartsfield-Jackson Atlanta Intl. (ATL)?
If you're planning to travel to Casper from Hartsfield-Jackson Atlanta Intl. (ATL), you can fly into Natrona County Intl. (CPR) Some flights may connect through major hubs like Kansas City Intl. (MCI), Dallas-Fort Worth Intl. (DFW), Austin-Bergstrom Intl. (AUS) 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 Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Casper, WY (CPR-Natrona County Intl.) at the last minute?
Typically, booking a last minute flight from Atlanta, GA (ATL-Hartsfield-Jackson Atlanta 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 Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Casper, WY (CPR-Natrona County Intl.) flight and hotel package?
Securing a Atlanta, GA (ATL-Hartsfield-Jackson Atlanta 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 Atlanta, GA (ATL-Hartsfield-Jackson Atlanta Intl.) to Casper, WY (CPR-Natrona County Intl.)?
If you booked your Atlanta, GA (ATL-Hartsfield-Jackson Atlanta 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
Hartsfield-Jackson Atlanta Intl.
Destination airport
Natrona County Intl.
Airlines serving
United
Roundtrip price
$318
Distance
1348 mi

Book with confidence

Atlanta to Casper Flights

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

 

The best time to book a flight from Atlanta to Casper

Sunday is one of the best days to book for cheap flights from Atlanta 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 Atlanta 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 Atlanta to Casper in 2026. You can also book with separate airlines for your outbound and return journeys, from $318 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 Atlanta 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 Atlanta 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.

 

Atlanta to Casper Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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