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Cheap flights from Atlanta to Casper from $328

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to Casper departing on 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Atlanta to Casper

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:30 pm - 8:27 pmATL  Atlanta Hartsfield-Jackson-CPR Casper Natrona County
5h 57m1 stop Denver Intl
United Airlines Logo
11:24 am - 6:41 pmCPR  Casper Natrona County-ATL Atlanta Hartsfield-Jackson
5h 17m1 stop Denver Intl
$328United Airlines
Sa, Sep 5 - Fr, Sep 11
United Airlines Logo
3:40 pm - 9:59 pmATL  Atlanta Hartsfield-Jackson-CPR Casper Natrona County
8h 19m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
10:01 am - 6:41 pmCPR  Casper Natrona County-ATL Atlanta Hartsfield-Jackson
6h 40m1 stop Denver Intl
$334United Airlines
Sa, Sep 5 - Fr, Sep 11
United Airlines Logo
11:24 am - 5:03 pmATL  Atlanta Hartsfield-Jackson-CPR Casper Natrona County
7h 39m1 stop Denver Intl
United Airlines Logo
3:13 pm - 10:50 pmCPR  Casper Natrona County-ATL Atlanta Hartsfield-Jackson
5h 37m1 stop Denver Intl
$353United Airlines
Do, Okt 22 - Di, Okt 27
United Airlines Logo
3:40 pm - 9:59 pmATL  Atlanta Hartsfield-Jackson-CPR Casper Natrona County
8h 19m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
11:24 am - 9:20 pmCPR  Casper Natrona County-ATL Atlanta Hartsfield-Jackson
7h 56m2 stops Denver Intl Houston George Bush Intcntl
$399United Airlines
Sa, Sep 5 - Fr, Sep 11
United Airlines Logo
3:40 pm - 9:59 pmATL  Atlanta Hartsfield-Jackson-CPR Casper Natrona County
8h 19m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
11:24 am - 9:20 pmCPR  Casper Natrona County-ATL Atlanta Hartsfield-Jackson
7h 56m2 stops Denver Intl Houston George Bush Intcntl
$400United Airlines
Sa, Sep 5 - Fr, Sep 11
United Airlines Logo
11:08 am - 5:18 pmATL  Atlanta Hartsfield-Jackson-CPR Casper Natrona County
8h 10m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
11:24 am - 9:20 pmCPR  Casper Natrona County-ATL Atlanta Hartsfield-Jackson
7h 56m2 stops Denver Intl Houston George Bush Intcntl
$400United Airlines
Sa, Sep 5 - Fr, Sep 11

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United Airlines flights from Atlanta to Casper

Our best United Airlines deals on Atlanta to Casper flight tickets
United Airlines
Sep 5
ATL4:30 pmAtlanta Hartsfield-Jackson
5h 57m
1 stop
CPR8:27 pmCasper Natrona County
Sep 11
CPR11:24 amCasper Natrona County
5h 17m
1 stop
ATL6:41 pmAtlanta Hartsfield-Jackson
$328
United Airlines
Sep 5
ATL3:40 pmAtlanta Hartsfield-Jackson
8h 19m
2 stops
CPR9:59 pmCasper Natrona County
Sep 11
CPR10:01 amCasper Natrona County
6h 40m
1 stop
ATL6:41 pmAtlanta Hartsfield-Jackson
$334
United Airlines
Oct 22
ATL11:24 amAtlanta Hartsfield-Jackson
7h 39m
1 stop
CPR5:03 pmCasper Natrona County
Oct 27
CPR3:13 pmCasper Natrona County
5h 37m
1 stop
ATL10:50 pmAtlanta Hartsfield-Jackson
$353

momondo 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, momondo users made 832,500 searches. Data last updated August 11, 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

Price

Cheapest round-trip
Quickest round-trip

AtlantaCasper

ATL Atlanta Hartsfield-Jackson - CPR Casper Natrona County

ATLCPR

Atlanta Hartsfield-Jackson

Sa 9/5

4:30 pm-8:27 pm

1 stop5h 57m

Casper Natrona County

Fr 9/11

11:24 am-6:41 pm

1 stop5h 17m

$328

AtlantaCasper

ATL Atlanta Hartsfield-Jackson - CPR Casper Natrona County

ATLCPR

Atlanta Hartsfield-Jackson

Sa 9/5

3:40 pm-9:59 pm

2 stops8h 19m

Casper Natrona County

Fr 9/11

10:01 am-6:41 pm

1 stop6h 40m

$334

AtlantaCasper

ATL Atlanta Hartsfield-Jackson - CPR Casper Natrona County

ATLCPR

Atlanta Hartsfield-Jackson

Do 10/22

11:24 am-5:03 pm

1 stop7h 39m

Casper Natrona County

Di 10/27

3:13 pm-10:50 pm

1 stop5h 37m

$353

AtlantaCasper

ATL Atlanta Hartsfield-Jackson - CPR Casper Natrona County

ATLCPR

Atlanta Hartsfield-Jackson

Sa 9/5

3:40 pm-9:59 pm

2 stops8h 19m

Casper Natrona County

Fr 9/11

11:24 am-9:20 pm

2 stops7h 56m

$399

AtlantaCasper

ATL Atlanta Hartsfield-Jackson - CPR Casper Natrona County

ATLCPR

Atlanta Hartsfield-Jackson

Sa 9/5

3:40 pm-9:59 pm

2 stops8h 19m

Casper Natrona County

Fr 9/11

11:24 am-9:20 pm

2 stops7h 56m

$400

AtlantaCasper

ATL Atlanta Hartsfield-Jackson - CPR Casper Natrona County

ATLCPR

Atlanta Hartsfield-Jackson

Sa 9/5

11:08 am-5:18 pm

2 stops8h 10m

Casper Natrona County

Fr 9/11

11:24 am-9:20 pm

2 stops7h 56m

$400
Cheapest one-way
Quickest one-way

AtlantaCasper

ATL Atlanta Hartsfield-Jackson - CPR Casper Natrona County

ATLCPR

Atlanta Hartsfield-Jackson

So 8/23

4:30 pm-9:59 pm

1 stop7h 29m

$423

AtlantaCasper

ATL Atlanta Hartsfield-Jackson - CPR Casper Natrona County

ATLCPR

Atlanta Hartsfield-Jackson

So 8/23

10:05 am-7:09 pm

2 stops11h 04m

$429

AtlantaCasper

ATL Atlanta Hartsfield-Jackson - CPR Casper Natrona County

ATLCPR

Atlanta Hartsfield-Jackson

So 8/23

10:05 am-8:50 am

3 stops24h 45m

$713

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Casper from

How to get the cheapest flight ticket from Atlanta to Casper

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Casper?

In general, December is the cheapest month to fly from Atlanta to Casper. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel during the month of December, then book flights to Casper from Atlanta during June instead. Flights to Casper in June, while not as cheap as those in December, still average around $408.

When to book flights from Atlanta to Casper

Are you open to changing your travel dates? Check out the ideal times to fly from Atlanta to Casper according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Atlanta to Casper (ATL to CPR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to Casper

Fastest flight time

5h 24m

Direct flights

None
The fastest flight from Atlanta to Casper takes 5h 24m
There are no direct flights from Atlanta to Casper. There are no popular flight routes from Atlanta to Casper.
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Frequently asked questions about flying from Atlanta to Casper

  • How far is Atlanta Hartsfield-Jackson to Casper Natrona County by plane?

    Atlanta Hartsfield-Jackson and Casper Natrona County are 1338.6 mi apart from one another. A reasonable flight in good conditions will take 5h 24m.

  • When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to Casper Natrona County Airport?

    Prices for flights from Atlanta Hartsfield-Jackson Airport to Casper Natrona County Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to Casper Natrona County Airport?

  • How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to Casper Natrona County Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Atlanta Hartsfield-Jackson Airport to Casper Natrona County Airport.

  • What documentation or ID do you need to fly to Casper Natrona County Airport?

    The travel and health documents you'll need for your trip to Casper Natrona County Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Casper Natrona County Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Atlanta to Casper?

Best airlines flying from Atlanta to Casper

Compare and see reviews for airlines that fly from Atlanta to Casper with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $313Free CancellationRating
7.4
10,104 reviews
Search United Airlines flights

Traveling to a place near Casper?

Book flights to Casper if you plan to visit one of these locations
Rawlins
Douglas
Evansville

Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to Casper?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Atlanta to Casper for you.

Can I find flights from Atlanta to Casper with flexible booking policies on momondo?

momondo does allow users to show only those flights to Casper from Atlanta which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Atlanta to Casper?

momondo provides multiple filters to help you find the best flight to Casper from Atlanta. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Atlanta to Casper right now. Can momondo alert me if prices change?

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