How long is the flight from Atlanta to Casper?

A quick flight from Atlanta to Casper can take about 6h 20m. United Airlines provides one of the quickest options available for as low as $358. 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.

In terms of precipitation, rainfall in Casper ranges from 0.5 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. January is typically the driest time to visit Casper when rainfall is around 0.5 in.

If weather is an important factor for your trip to Casper, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 23.0 F).

What is the cheapest time of day to fly from ATL to CPR?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Atlanta to Casper as you normally would.

Most accurate provider : When it comes to deals on Atlanta-Casper flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Atlanta-Casper flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

$292+ Flights from Atlanta to Casper

Q: How much does it cost to fly round-trip from Atlanta to Casper?

Airfare is typical for this route at the moment. Atlanta to Casper flights typically cost between $341 and $396 in January. The cheapest round-trip price found within the last 3 days was $358 on United Airlines (Jan 27-Jan 31).

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Cheap flight deals from Atlanta to Casper

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$358 (United Airlines)
Popular in	July
Cheapest in	May
Average price	$369

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 ($32 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in January 2026

Search Deals

Find 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 January 9, 2026.

Wed 11/118:40 amATL - CPR

1 stop5h 55mUnited Airlines

Wed 11/189:10 amCPR - ATL

1 stop7h 07mUnited Airlines

Deal found 1/7

$292

Tue 1/274:20 pmATL - CPR

1 stop6h 20mUnited Airlines

Sat 1/313:17 pmCPR - ATL

1 stop5h 18mUnited Airlines

Deal found 1/6

$358

Sun 4/129:10 amATL - CPR

2 stops14h 57mUnited Airlines

Sat 4/181:21 pmCPR - ATL

1 stop7h 35mUnited Airlines

Deal found 1/8

$524

Fri 1/98:40 amATL - CPR

1 stop8h 02mUnited Airlines

Sat 1/101:16 pmCPR - ATL

1 stop7h 19mUnited Airlines

Deal found 1/7

$538

Mon 6/291:20 pmATL - CPR

1 stop7h 12mUnited Airlines

Mon 7/611:25 amCPR - ATL

1 stop16h 35mUnited Airlines

Deal found 1/8

$540

Best flights from Atlanta to Casper
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 January 9, 2026.

Tue 1/274:20 pmATL - CPR

1 stop6h 20mUnited Airlines

Sat 1/313:17 pmCPR - ATL

1 stop5h 18mUnited Airlines

Deal found 1/6

$358

Sun 4/129:10 amATL - CPR

2 stops14h 57mUnited Airlines

Sat 4/181:21 pmCPR - ATL

1 stop7h 35mUnited Airlines

Deal found 1/8

$524

Mon 6/291:20 pmATL - CPR

1 stop7h 12mUnited Airlines

Mon 7/611:25 amCPR - ATL

1 stop16h 35mUnited Airlines

Deal found 1/8

$540

Wed 3/119:00 amATL - CPR

1 stop7h 40mUnited Airlines

Sun 3/155:25 amCPR - ATL

2 stops13h 54mUnited Airlines

Deal found 1/8

$604

Last-minute flights from Atlanta to Casper
Discover last-minute flight deals from Atlanta to Casper. Data last updated January 9, 2026 and is based on user searches.

Fri 1/98:40 amATL - CPR

1 stop8h 02mUnited Airlines

Sat 1/101:16 pmCPR - ATL

1 stop7h 19mUnited Airlines

Deal found 1/7

$538

Fri 1/164:20 pmATL - CPR

1 stop7h 54mUnited Airlines

Mon 1/195:30 amCPR - ATL

2 stops10h 28mUnited Airlines

Deal found 1/7

$625

Tue 1/274:20 pmATL - CPR

1 stop6h 20mUnited Airlines

Sat 1/313:17 pmCPR - ATL

1 stop5h 18mUnited Airlines

Deal found 1/6

$358

Fly from

Fly to

Route

Depart

Return

Price

AtlantaCasper

ATL - CPR

ATLCPR

Atlanta Hartsfield-Jackson

Tue 1/27

4:20 pm-8:40 pm

1 stop6h 20m

Casper Natrona County

Sat 1/31

3:17 pm-10:35 pm

1 stop5h 18m

$358

AtlantaCasper

ATL - CPR

ATLCPR

Atlanta Hartsfield-Jackson

Sun 4/12

9:10 am-10:07 pm

2 stops14h 57m

Casper Natrona County

Sat 4/18

1:21 pm-10:56 pm

1 stop7h 35m

$524

AtlantaCasper

ATL - CPR

ATLCPR

Atlanta Hartsfield-Jackson

Mon 6/29

1:20 pm-6:32 pm

1 stop7h 12m

Casper Natrona County

Mon 7/6

11:25 am-6:00 am

1 stop16h 35m

$540

AtlantaCasper

ATL - CPR

ATLCPR

Atlanta Hartsfield-Jackson

Wed 3/11

9:00 am-2:40 pm

1 stop7h 40m

Casper Natrona County

Sun 3/15

5:25 am-9:19 pm

2 stops13h 54m

$604

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Compare providers for flights from Atlanta to Casper

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Atlanta to Casper in January.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Atlanta-Casper flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Cheapflights Insights

Everything you need to know about your flight from Atlanta to Casper

How much does it cost to fly round-trip from Atlanta to Casper?

Reviews of airlines servicing Casper

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

9,142 reviews

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

9,142 reviews

United Airlines

7.4

Good

9,142 reviews

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

How long is the flight from Atlanta to Casper?
A quick flight from Atlanta to Casper can take about 6h 20m. United Airlines provides one of the quickest options available for as low as $358. 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

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$301	Average$484	FlexibilityNo cancel fee	On-time69%

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$292+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Atlanta to Casper with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Atlanta to Casper

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Atlanta to Casper

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 January 9, 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 January 9, 2026.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Atlanta to Casper that are best for you.

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 January.

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.

Cheapflights Insights

Everything you need to know about your flight from Atlanta to Casper

How much does it cost to fly round-trip from Atlanta to Casper?

Reviews of airlines servicing Casper

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.

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?

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

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

How can I find direct flights from Atlanta to Casper?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Atlanta to Casper

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Atlanta to Casper

100% Free

Book with Flexibility

Travel Smart

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 January 9, 2026.