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Cheap flights from Louisville to Casper from $389

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 3/6. 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
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
9:00 am - 10:12 pmSDF-CPR
15h 12m2 stops
United Airlines Logo
1:25 pm - 9:59 pmCPR-SDF
6h 34m1 stop
$389United Airlines
Find Deal
Fri, Mar 6 - Tue, Mar 10
United Airlines Logo
9:00 am - 10:12 pmSDF-CPR
15h 12m2 stops
United Airlines Logo
11:30 am - 10:18 pmCPR-SDF
8h 48m2 stops
$394United Airlines
Find Deal
Fri, Mar 6 - Tue, Mar 10
United Airlines Logo
3:20 pm - 10:12 pmSDF-CPR
8h 52m1 stop
United Airlines Logo
3:15 pm - 9:59 pmCPR-SDF
4h 44m1 stop
$498United Airlines
Find Deal
Fri, Mar 6 - Tue, Mar 10

United Airlines flights from Louisville to Casper

Our best United Airlines deals on Louisville to Casper flight tickets
United Airlines
Mar 6
SDF9:00 amLouisville Intl
15h 12m
2 stops
CPR10:12 pmCasper Natrona County
Mar 10
CPR1:25 pmCasper Natrona County
6h 34m
1 stop
SDF9:59 pmLouisville Intl
$389
Find similar
United Airlines
Mar 6
SDF9:00 amLouisville Intl
15h 12m
2 stops
CPR10:12 pmCasper Natrona County
Mar 10
CPR11:30 amCasper Natrona County
8h 48m
2 stops
SDF10:18 pmLouisville Intl
$394
Find similar
United Airlines
Mar 6
SDF3:20 pmLouisville Intl
8h 52m
1 stop
CPR10:12 pmCasper Natrona County
Mar 10
CPR3:15 pmCasper Natrona County
4h 44m
1 stop
SDF9:59 pmLouisville Intl
$498
Find similar

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 November 3, 2025.
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

LouisvilleCasper

SDF - CPR

SDFCPR

Louisville Intl

Fri 3/6

9:00 am-10:12 pm

2 stops15h 12m

Casper Natrona County

Tue 3/10

1:25 pm-9:59 pm

1 stop6h 34m

$389

LouisvilleCasper

SDF - CPR

SDFCPR

Louisville Intl

Fri 3/6

9:00 am-10:12 pm

2 stops15h 12m

Casper Natrona County

Tue 3/10

11:30 am-10:18 pm

2 stops8h 48m

$394

LouisvilleCasper

SDF - CPR

SDFCPR

Louisville Intl

Fri 3/6

3:20 pm-10:12 pm

1 stop8h 52m

Casper Natrona County

Tue 3/10

3:15 pm-9:59 pm

1 stop4h 44m

$498

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Louisville 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 day to depart on your flight to Casper?

The cheapest day to depart from Louisville to Casper is on a Wednesday when prices can be found for as low as $423. The most expensive day to fly to Casper is Saturday, with ticket prices averaging around $538.

What is the cheapest time of day to depart on your flight to Casper?

The cheapest time of day to fly to Casper is in the afternoon when flights can be purchased for as low as $478. Flights to Casper are more costly in the morning, with an average ticket price of $517. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Direct flights

None
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 8h 52m.

  • 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
8,997 reviews
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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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