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Cheap flights from Louisville to Casper from $408

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Louisville to Casper departing on 1/23. 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 Louisville to Casper

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:00 am - 5:04 pmSDF  Louisville Intl-CPR Casper Natrona County
10h 04m1 stop Denver Intl
United Airlines Logo
5:30 am - 2:27 pmCPR  Casper Natrona County-SDF Louisville Intl
6h 57m1 stop Denver Intl
$408United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
3:24 pm - 8:32 pmSDF  Louisville Intl-CPR Casper Natrona County
7h 08m1 stop Denver Intl
United Airlines Logo
1:29 pm - 10:24 pmCPR  Casper Natrona County-SDF Louisville Intl
6h 55m1 stop Denver Intl
$408United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
8:00 am - 12:35 pmSDF  Louisville Intl-CPR Casper Natrona County
6h 35m1 stop Denver Intl
United Airlines Logo
1:16 pm - 10:29 pmCPR  Casper Natrona County-SDF Louisville Intl
7h 13m1 stop Denver Intl
$408United Airlines
Sun, Sep 13 - Sun, Sep 20
United Airlines Logo
10:37 am - 9:59 pmSDF  Louisville Intl-CPR Casper Natrona County
13h 22m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
1:29 pm - 10:24 pmCPR  Casper Natrona County-SDF Louisville Intl
6h 55m1 stop Denver Intl
$414United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
8:00 am - 12:35 pmSDF  Louisville Intl-CPR Casper Natrona County
6h 35m1 stop Denver Intl
United Airlines Logo
6:00 pm - 12:22 pmCPR  Casper Natrona County-SDF Louisville Intl
16h 22m2 stops Denver Intl Newark
$414United Airlines
Sun, Sep 13 - Fri, Sep 18
United Airlines Logo
8:45 am - 6:37 pmSDF  Louisville Intl-CPR Casper Natrona County
11h 52m2 stops Newark Denver Intl
United Airlines Logo
3:15 pm - 9:57 pmCPR  Casper Natrona County-SDF Louisville Intl
4h 42m1 stop Denver Intl
$414United Airlines
Sat, Jan 23 - Wed, Jan 27
United Airlines Logo
8:00 am - 12:35 pmSDF  Louisville Intl-CPR Casper Natrona County
6h 35m1 stop Denver Intl
United Airlines Logo
6:00 pm - 10:18 amCPR  Casper Natrona County-SDF Louisville Intl
14h 18m2 stops Denver Intl Washington, D.C. Dulles Intl
$414United Airlines
Sun, Sep 13 - Sun, Sep 20

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United Airlines flights from Louisville to Casper

Our best United Airlines deals on Louisville to Casper flight tickets
United Airlines
Jan 23
SDF9:00 amLouisville Intl
10h 04m
1 stop
CPR5:04 pmCasper Natrona County
Jan 27
CPR5:30 amCasper Natrona County
6h 57m
1 stop
SDF2:27 pmLouisville Intl
$408
United Airlines
Jan 23
SDF9:00 amLouisville Intl
10h 04m
1 stop
CPR5:04 pmCasper Natrona County
Jan 27
CPR11:25 amCasper Natrona County
10h 30m
2 stops
SDF11:55 pmLouisville Intl
$414
United Airlines
Jan 23
SDF1:55 pmLouisville Intl
8h 22m
2 stops
CPR8:17 pmCasper Natrona County
Jan 27
CPR11:25 amCasper Natrona County
10h 30m
2 stops
SDF11:55 pmLouisville Intl
$419

momondo Fare Finder

 
Customize your flight search to find flights from Louisville 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 15, 2026.
Use the filters below to find and compare flights from Louisville to Casper that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleCasper

SDF Louisville Intl - CPR Casper Natrona County

SDFCPR

Louisville Intl

Sat 1/23

9:00 am-5:04 pm

1 stop10h 04m

Casper Natrona County

Wed 1/27

5:30 am-2:27 pm

1 stop6h 57m

$408

LouisvilleCasper

SDF Louisville Intl - CPR Casper Natrona County

SDFCPR

Louisville Intl

Tue 11/3

3:24 pm-8:32 pm

1 stop7h 08m

Casper Natrona County

Sat 11/7

1:29 pm-10:24 pm

1 stop6h 55m

$408
Quickest round-trip

LouisvilleCasper

SDF Louisville Intl - CPR Casper Natrona County

SDFCPR

Louisville Intl

Sun 9/13

8:00 am-12:35 pm

1 stop6h 35m

Casper Natrona County

Sun 9/20

1:16 pm-10:29 pm

1 stop7h 13m

$408

LouisvilleCasper

SDF Louisville Intl - CPR Casper Natrona County

SDFCPR

Louisville Intl

Tue 11/3

10:37 am-9:59 pm

2 stops13h 22m

Casper Natrona County

Sat 11/7

1:29 pm-10:24 pm

1 stop6h 55m

$414

LouisvilleCasper

SDF Louisville Intl - CPR Casper Natrona County

SDFCPR

Louisville Intl

Sun 9/13

8:00 am-12:35 pm

1 stop6h 35m

Casper Natrona County

Fri 9/18

6:00 pm-12:22 pm

2 stops16h 22m

$414

LouisvilleCasper

SDF Louisville Intl - CPR Casper Natrona County

SDFCPR

Louisville Intl

Sat 1/23

8:45 am-6:37 pm

2 stops11h 52m

Casper Natrona County

Wed 1/27

3:15 pm-9:57 pm

1 stop4h 42m

$414

LouisvilleCasper

SDF Louisville Intl - CPR Casper Natrona County

SDFCPR

Louisville Intl

Sun 9/13

8:00 am-12:35 pm

1 stop6h 35m

Casper Natrona County

Sun 9/20

6:00 pm-10:18 am

2 stops14h 18m

$414

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Louisville to Casper

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

Cheap Louisville to Casper (SDF to CPR) flight deals and tips

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

Fastest flight time

6h 35m

Direct flights

None
The fastest flight from Louisville to Casper takes 6h 35m
There are no direct flights from Louisville to Casper. There are no popular flight routes from Louisville to Casper.
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Frequently asked questions about flying from Louisville to Casper

  • How far is Louisville Intl to Casper Natrona County by plane?

    Casper Natrona County is 1121.8 mi away from Louisville Intl. By plane, this route typically takes 6h 35m.

  • When did momondo last update prices for flights from Louisville Intl Airport to Casper Natrona County Airport?

    Prices for flights from Louisville Intl Airport to Casper Natrona County Airport are updated daily.

  • How many operators does momondo search for flights from Louisville Intl Airport to Casper Natrona County Airport?

  • How old do you have to be to fly from Louisville Intl 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 Louisville Intl Airport to Casper Natrona County Airport.

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

    The necessary travel and health documents for your Casper Natrona County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Louisville to Casper

Compare and see reviews for airlines that fly from Louisville to Casper with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $318Free CancellationRating
7.4
10,108 reviews
Search United Airlines flights

Frequently asked questions about flying from Louisville to Casper

  • How do I get Price Alerts for flights from Louisville to Casper?

    Price Alerts will notify you by email when the price for flights to Casper from Louisville decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Louisville to Casper with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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 Louisville to Casper?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Louisville to Casper. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Louisville to Casper on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Louisville to Casper flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Louisville to Casper now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Casper and let you know when they change.

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