$348+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — CPR
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Atlanta to Casper with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Atlanta to Casper
Cheapest
Best
Last-minute
Cheapest flights from Atlanta to CasperExplore 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 September 17, 2026.
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 September 17, 2026.
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/47:15 am -
1 stop5h 34m
Sun 11/85:15 am -
1 stop7h 57m
Deal found 9/15![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/38:45 am -
1 stop7h 51m
Tue 10/610:06 am -
1 stop6h 35m
Deal found 9/13![United Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/18:45 am -
1 stop7h 51m
Mon 10/53:11 pm -
1 stop5h 48m
Deal found 9/15![United Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 9/15. 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 12/98:30 am -
1 stop6h 10m
Sat 12/121:21 pm -
1 stop5h 39m
Deal found 9/15![United Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/137:05 am -
2 stops11h 58m
Tue 10/208:00 am -
2 stops11h 20m
Deal found 9/15![United Airlines logo]()
$449
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 9/264:32 pm -
1 stop5h 45m
Tue 9/293:11 pm -
1 stop5h 48m
Deal found 9/13![United Airlines logo]()
$453
Best flights from Atlanta to CasperDiscover carefully curated flight deals from Atlanta to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Atlanta to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 11/1911:14 am -
1 stop8h 03m
Tue 12/11:21 pm -
1 stop5h 39m
Deal found 9/15![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 11/237:15 am -
1 stop7h 33m
Tue 12/11:21 pm -
1 stop5h 39m
Deal found 9/15![United Airlines logo]()
$348
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/38:45 am -
1 stop7h 51m
Tue 10/610:06 am -
1 stop6h 35m
Deal found 9/13![United Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/18:45 am -
1 stop7h 51m
Mon 10/53:11 pm -
1 stop5h 48m
Deal found 9/15![United Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/94:35 pm -
1 stop6h 07m
Sat 12/121:21 pm -
1 stop5h 39m
Deal found 9/14![United Airlines logo]()
$438
Last-minute flights from Atlanta to CasperDiscover last-minute flight deals from Atlanta to Casper. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Atlanta to Casper. Data last updated September 17, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 9/264:32 pm -
1 stop5h 45m
Tue 9/293:11 pm -
1 stop5h 48m
Deal found 9/13![United Airlines logo]()
$453
This United Airlines deal was found by Cheapflights users on 9/12. 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.
Sun 9/278:45 am -
1 stop7h 51m
Thu 10/15:15 am -
1 stop8h 04m
Deal found 9/12![United Airlines logo]()
$866
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 10/18:45 am -
1 stop7h 51m
Mon 10/53:11 pm -
1 stop5h 48m
Deal found 9/15![United Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/38:45 am -
1 stop7h 51m
Tue 10/610:06 am -
1 stop6h 35m
Deal found 9/13![United Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/1311:19 am -
1 stop9h 35m
Tue 10/208:00 am -
1 stop8h 41m
Deal found 9/15![United Airlines logo]()
$438
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 September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $348 (United Airlines) |
Popular in | July |
Cheapest in | June |
Average price | $496 |
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 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Atlanta to Casper that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AtlantaCasper
ATL Atlanta Hartsfield-Jackson - CPR Casper Natrona County
ATLCPR
Atlanta Hartsfield-Jackson
Thu 11/19
11:14 am-5:17 pm
1 stop8h 03m
Casper Natrona County
Tue 12/1
1:21 pm-9:00 pm
1 stop5h 39m
$348
AtlantaCasper
ATL Atlanta Hartsfield-Jackson - CPR Casper Natrona County
ATLCPR
Atlanta Hartsfield-Jackson
Mon 11/23
7:15 am-12:48 pm
1 stop7h 33m
Casper Natrona County
Tue 12/1
1:21 pm-9:00 pm
1 stop5h 39m
$348
AtlantaCasper
ATL Atlanta Hartsfield-Jackson - CPR Casper Natrona County
ATLCPR
Atlanta Hartsfield-Jackson
Sat 10/3
8:45 am-2:36 pm
1 stop7h 51m
Casper Natrona County
Tue 10/6
10:06 am-6:41 pm
1 stop6h 35m
$383
AtlantaCasper
ATL Atlanta Hartsfield-Jackson - CPR Casper Natrona County
ATLCPR
Atlanta Hartsfield-Jackson
Thu 10/1
8:45 am-2:36 pm
1 stop7h 51m
Casper Natrona County
Mon 10/5
3:11 pm-10:59 pm
1 stop5h 48m
$418
Quickest round-trip
AtlantaCasper
ATL Atlanta Hartsfield-Jackson - CPR Casper Natrona County
ATLCPR
Atlanta Hartsfield-Jackson
Wed 12/9
4:35 pm-8:42 pm
1 stop6h 07m
Casper Natrona County
Sat 12/12
1:21 pm-9:00 pm
1 stop5h 39m
$438
Sorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
ATL-CPR
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.
Cheapflights Insights
Everything you need to know about your flight from Atlanta to Casper
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 September 17, 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.
Overall
7.4
Boarding
7.7
Food
6.7
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
Overall
7.4
Boarding
7.7
Food
6.7
Entertainment
7.1
Comfort
7.3
Crew
8.1
Reviews
1 / 20
8.0
ExcellentAsha,Sep 2026
LGA - IAH
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.
Traveling to a place near Casper?
Book flights to Casper if you plan to visit one of these locationsRawlins
Douglas
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Atlanta and Casper flights
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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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$313 | Average$532 | FlexibilityNo cancel fee | On-time69% |