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$278+ Cheap flights from Atlanta to Casper (ATL - CPR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/28. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — CPR
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Atlanta to Casper

Cheapest flights from Atlanta to Casper
Explore the most affordable flight options available from Atlanta to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:35 pm
ATL
-
CPR
1 stop5h 51m
United Airlines
Tue 5/53:14 pm
CPR
-
ATL
1 stop5h 31m
United Airlines
Deal found 2/10$278
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/12:37 pm
ATL
-
CPR
2 stops9h 33m
United Airlines
Sat 5/93:14 pm
CPR
-
ATL
1 stop5h 31m
United Airlines
Deal found 2/9$298
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:40 am
ATL
-
CPR
1 stop8h 00m
United Airlines
Tue 9/223:15 pm
CPR
-
ATL
1 stop5h 19m
United Airlines
Deal found 2/10$339
This United Airlines deal was found by Cheapflights users on 2/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:40 am
ATL
-
CPR
1 stop10h 24m
United Airlines
Sat 10/311:25 pm
CPR
-
ATL
1 stop7h 09m
United Airlines
Deal found 2/8$358
This United Airlines deal was found by Cheapflights users on 2/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/254:27 pm
ATL
-
CPR
1 stop5h 59m
United Airlines
Sun 3/11:20 pm
CPR
-
ATL
1 stop6h 59m
United Airlines
Deal found 2/10$361
This United Airlines deal was found by Cheapflights users on 2/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:50 am
ATL
-
CPR
2 stops12h 22m
United Airlines
Sat 6/69:26 am
CPR
-
ATL
2 stops12h 50m
United Airlines
Deal found 2/9$369

Find flight deals from Atlanta to Casper

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) to Casper (CPR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$278
(United Airlines)

Popular in

July

Cheapest in

May

Average price

$384
Provider with most accurate pricing for Atlanta Hartsfield-Jackson-Casper Natrona County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Atlanta Hartsfield-Jackson-Casper Natrona County flights.
Search Deals
From Atlanta Hartsfield-Jackson to Casper Natrona County
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlanta to Casper that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
Use the filters below to find and compare flights from Atlanta to Casper that are best for you.

Fly from

Atlanta

Fly to

Casper

Route

Depart

Return

Price

AtlantaCasper

ATL - CPR

ATLCPR

Atlanta Hartsfield-Jackson

Tue 4/28

4:35 pm-8:26 pm

1 stop5h 51m

Casper Natrona County

Tue 5/5

3:14 pm-10:45 pm

1 stop5h 31m

$278

AtlantaCasper

ATL - CPR

ATLCPR

Atlanta Hartsfield-Jackson

Fri 5/1

2:37 pm-10:10 pm

2 stops9h 33m

Casper Natrona County

Sat 5/9

3:14 pm-10:45 pm

1 stop5h 31m

$298

AtlantaCasper

ATL - CPR

ATLCPR

Atlanta Hartsfield-Jackson

Wed 2/25

4:27 pm-8:26 pm

1 stop5h 59m

Casper Natrona County

Sun 3/1

1:20 pm-10:19 pm

1 stop6h 59m

$361

AtlantaCasper

ATL - CPR

ATLCPR

Atlanta Hartsfield-Jackson

Tue 6/2

11:50 am-10:12 pm

2 stops12h 22m

Casper Natrona County

Fri 6/5

6:08 pm-9:06 am

2 stops12h 58m

$369

AtlantaCasper

ATL - CPR

ATLCPR

Atlanta Hartsfield-Jackson

Wed 5/27

8:00 am-7:01 pm

2 stops13h 01m

Casper Natrona County

Fri 6/5

6:08 pm-9:06 am

2 stops12h 58m

$394

AtlantaCasper

ATL - CPR

ATLCPR

Atlanta Hartsfield-Jackson

Wed 5/27

9:25 am-7:01 pm

2 stops11h 36m

Casper Natrona County

Sat 6/6

9:26 am-12:16 am

2 stops12h 50m

$394

AtlantaCasper

ATL - CPR

ATLCPR

Atlanta Hartsfield-Jackson

Sat 5/30

8:00 am-2:39 pm

2 stops8h 39m

Casper Natrona County

Sat 6/6

9:26 am-6:35 pm

1 stop7h 09m

$407

AtlantaCasper

ATL - CPR

ATLCPR

Atlanta Hartsfield-Jackson

Sun 3/8

4:28 pm-8:36 pm

1 stop6h 08m

$299

AtlantaCasper

ATL - CPR

ATLCPR

Atlanta Hartsfield-Jackson

Sun 3/15

9:00 am-12:50 pm

1 stop5h 50m

$339

AtlantaCasper

ATL - CPR

ATLCPR

Atlanta Hartsfield-Jackson

Fri 3/27

7:00 am-6:57 pm

2 stops13h 57m

$350

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Compare providers for flights from Atlanta to Casper

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Atlanta to Casper in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Atlanta-Casper flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Atlanta-Casper flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Atlanta-Casper flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Atlanta-Casper flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Atlanta-Casper flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Atlanta to Casper

Have a flexible travel schedule? Discover the best time to fly to Casper from Atlanta with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Casper

Get insights into the airlines that provide service to Casper. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Casper. Reviews last updated February 11, 2026.
Read reviews from past customers who have flown United Airlines from Atlanta to Casper. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,274 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,274 reviews
United Airlines
7.4
Good
9,274 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Atlanta to Casper. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Atlanta to Casper?

    A quick flight from Atlanta to Casper can take about 5h 51m. United Airlines provides one of the quickest options available for as low as $278. The distance between Atlanta and Casper is about 1349 mi.

  • What is the cheapest airline to fly from Atlanta to Casper round-trip?

    According to our current data, United Airlines ($301), offers the cheapest pricing from Atlanta to Casper. This flight start at 39% lower than the current average price 3 months from now.

  • Can I find deals for flights from Atlanta to Casper that include hotel bookings?

    Yes. In addition to deals on Atlanta to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Atlanta to Casper?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlanta to Casper.

  • Can I find deals for business class flights from Atlanta to Casper?

    Yes. Cheapflights offers flight deals from Atlanta to Casper by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Atlanta to Casper

Discover the top airline that operate flights from Atlanta to Casper. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$301Average$468FlexibilityNo cancel feeOn-time69%

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