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

According to our current data, United Airlines ($449), offers the cheapest pricing from Atlanta to Casper. This flight start at 24% lower than the current average price 3 months from now.

What is the cheapest month to book a flight from Atlanta to Casper?

Currently, January is the cheapest month in which you can book a flight from Atlanta to Casper (average of $348). Flying from Atlanta to Casper in June is currently the most expensive (average of $500). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Atlanta to Casper?

Travelers seeking maximum savings on their Atlanta to Casper flight should consider departing on Saturday mornings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 day to fly round-trip from Atlanta to Casper?

Wednesday is generally a great day to depart. Flying on this day could help you save up to 63%.

What is the cheapest month to fly from Atlanta to Casper?

May is one of the best times of the year to fly to Casper from Atlanta. Prices for May average $597 per person but you can even find prices for as low as $301. The most expensive prices can be found in the month of November. Opting for a May flight can save you 59% on your journey compared to booking in November

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

It’s optimal to fly from Atlanta to Casper at noon. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight in the afternoon.

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.

$317+ Flights from Atlanta to Casper

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Cheap flight deals from Atlanta to Casper

Round-trip from	$449 (United Airlines)
One-way from	$317 (United Airlines)
Popular in	November
Cheapest in	May
Average price	$520

From Atlanta Hartsfield-Jackson to Casper Natrona County

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One-way flight from Atlanta Hartsfield-Jackson to Casper Natrona County

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Highest demand for flights based on searches. 24% potential increase in price ($197 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($39 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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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 July 3, 2025.

Tue 10/74:43 pmATL - CPR

1 stop7h 29mUnited Airlines

Sat 10/116:00 pmCPR - ATL

2 stops14h 09mUnited Airlines

Deal found 7/2

$344

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 July 3, 2025.

Thu 7/1711:24 amATL - CPR

1 stop5h 16mUnited Airlines

Mon 7/215:59 pmCPR - ATL

2 stops14h 19mUnited Airlines

Deal found 7/2

$449

Last-minute flights from Atlanta to Casper
Discover last-minute flight deals from Atlanta to Casper. Data last updated July 3, 2025 and is based on user searches.

Thu 7/1711:24 amATL - CPR

1 stop5h 16mUnited Airlines

Mon 7/215:59 pmCPR - ATL

2 stops14h 19mUnited Airlines

Deal found 7/2

$449

One-way flights from Atlanta to Casper
Search for one-way flight options from Atlanta to Casper. Find affordable one-way fares based on user searches. Data last updated July 3, 2025.

Mon 8/259:00 amATL - CPR

1 stop12h 09mUnited Airlines

Deal found 6/30

$317

Cheapflights Fare Finder

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

Price

AtlantaCasper

ATL - CPR

ATLCPR

Atlanta Hartsfield-Jackson

Thu 7/17

11:24 am-2:40 pm

1 stop5h 16m

Casper Natrona County

Mon 7/21

5:59 pm-10:18 am

2 stops14h 19m

$449

AtlantaCasper

ATL - CPR

ATLCPR

Atlanta Hartsfield-Jackson

Mon 8/25

9:00 am-7:09 pm

1 stop12h 09m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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

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

8,861 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,861 reviews

United Airlines

7.4

Good

8,861 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

What is the cheapest airline to fly from Atlanta to Casper round-trip?
According to our current data, United Airlines ($449), offers the cheapest pricing from Atlanta to Casper. This flight start at 24% 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.
What is the cheapest month to book a flight from Atlanta to Casper?
Currently, January is the cheapest month in which you can book a flight from Atlanta to Casper (average of $348). Flying from Atlanta to Casper in June is currently the most expensive (average of $500). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Atlanta to Casper

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$301	Average$561	FlexibilityNo cancel fee	On-time69%

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$317+ Cheap flights from Atlanta to Casper (ATL - CPR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/25. 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

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Atlanta to Casper

Round-trip from

One-way 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 July 3, 2025.

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 July 3, 2025.

Cheapflights Fare Finder

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

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.

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 July 3, 2025.

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.

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?

What is the cheapest month to book a flight from Atlanta to Casper?

Traveling to a place near Atlanta?

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Alternative routes for Atlanta to Casper

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Top airline flying from Atlanta to Casper

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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 July 3, 2025.