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Cheap flights from Louisville to Casper from $418

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 5/6. 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

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Find the cheapest flights from Louisville to Casper

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:37 pm - 10:10 pm
SDF
-
CPR
8h 33m
1 stop
United Airlines Logo
5:25 am - 2:41 pm
CPR
-
SDF
7h 16m
1 stop
$418United Airlines
Wed, May 6 - Sat, May 9
United Airlines Logo
3:37 pm - 6:57 pm
SDF
-
CPR
5h 20m
1 stop
United Airlines Logo
5:25 am - 7:42 pm
CPR
-
SDF
12h 17m
2 stops
$424United Airlines
Wed, May 6 - Sat, May 9
United Airlines Logo
9:55 am - 8:17 pm
SDF
-
CPR
12h 22m
2 stops
United Airlines Logo
9:00 am - 11:56 pm
CPR
-
SDF
12h 56m
2 stops
$429United Airlines
Wed, May 6 - Sat, May 9

United Airlines flights from Louisville to Casper

Our best United Airlines deals on Louisville to Casper flight tickets
United Airlines
May 6
SDF3:37 pmLouisville Intl
8h 33m
1 stop
CPR10:10 pmCasper Natrona County
May 9
CPR5:25 amCasper Natrona County
7h 16m
1 stop
SDF2:41 pmLouisville Intl
$418
United Airlines
May 6
SDF3:37 pmLouisville Intl
5h 20m
1 stop
CPR6:57 pmCasper Natrona County
May 9
CPR5:25 amCasper Natrona County
12h 17m
2 stops
SDF7:42 pmLouisville Intl
$424
United Airlines
May 6
SDF9:55 amLouisville Intl
12h 22m
2 stops
CPR8:17 pmCasper Natrona County
May 9
CPR9:00 amCasper Natrona County
12h 56m
2 stops
SDF11:56 pmLouisville Intl
$429

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 March 26, 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
Quickest round-trip

LouisvilleCasper

SDF - CPR

SDFCPR

Louisville Intl

Wed 5/6

3:37 pm-10:10 pm

1 stop8h 33m

Casper Natrona County

Sat 5/9

5:25 am-2:41 pm

1 stop7h 16m

$418

LouisvilleCasper

SDF - CPR

SDFCPR

Louisville Intl

Wed 5/6

3:37 pm-6:57 pm

1 stop5h 20m

Casper Natrona County

Sat 5/9

5:25 am-7:42 pm

2 stops12h 17m

$424

LouisvilleCasper

SDF - CPR

SDFCPR

Louisville Intl

Wed 5/6

9:55 am-8:17 pm

2 stops12h 22m

Casper Natrona County

Sat 5/9

9:00 am-11:56 pm

2 stops12h 56m

$429

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

5h 56m

Direct flights

None
The fastest flight from Louisville to Casper takes 5h 56m
There are no direct flights from Louisville to Casper. There are no popular flight routes from Louisville to Casper.
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  • 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 5h 56m.

  • 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 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.

  • 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
Evansville
Douglas

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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