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$274+ Cheap flights from Louisville to Casper (SDF - CPR)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — CPR
ago. 26 — sep. 21
mar. 8/26
mar. 9/2
1 adult, Economy
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Cheap flight deals from Louisville to Casper

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Casper (CPR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 21, 2025.

Round-trip from

$274
(United Airlines)
From Louisville Intl to Casper Natrona County
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Find flight deals from Louisville to Casper

Cheapest flights from Louisville to Casper
Explore the most affordable flight options available from Louisville to Casper. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 21, 2025.

This United Airlines deal was found by Cheapflights users on 8/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/233:30 pmSDF - CPR
1 stop5h 17mUnited Airlines
lun. 10/271:25 pmCPR - SDF
1 stop7h 05mUnited Airlines
Deal found 8/20$274
This United Airlines deal was found by Cheapflights users on 8/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/103:30 pmSDF - CPR
1 stop5h 39mUnited Airlines
mié. 9/175:50 pmCPR - SDF
2 stops21h 25mUnited Airlines
Deal found 8/19$517

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated agosto 21, 2025.
Use the filters below to find and compare flights from Louisville to Casper that are best for you.

Fly from

Louisville

Fly to

Casper

Route

Depart

Return

Price

LouisvilleCasper

SDF - CPR

SDFCPR

Louisville Intl

jue. 10/23

3:30 pm-6:47 pm

1 stop5h 17m

Casper Natrona County

lun. 10/27

1:25 pm-10:30 pm

1 stop7h 05m

$274

LouisvilleCasper

SDF - CPR

SDFCPR

Louisville Intl

mié. 9/10

3:30 pm-7:09 pm

1 stop5h 39m

Casper Natrona County

mié. 9/17

5:50 pm-5:15 pm

2 stops21h 25m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/20

Best time to book a flight from Louisville to Casper

Have a flexible travel schedule? Discover the best time to fly to Casper from Louisville 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

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 agosto 21, 2025.
Read reviews from past customers who have flown United Airlines from Louisville 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
8,930 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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
8,930 reviews
United Airlines
7.4
Good
8,930 reviews

Food

6.6

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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

Find useful and relevant information for your journey from Louisville to Casper. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Louisville to Casper?

    For as low as $274, United Airlines can have you in Casper from Louisville in 5h 17m. Airlines will cover a distance of 1132 mi.

  • Can I find deals for flights from Louisville to Casper that include hotel bookings?

    Yes. In addition to deals on Louisville to Casper flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Casper?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Casper.

  • Can I find deals for business class flights from Louisville to Casper?

    Yes. Cheapflights offers flight deals from Louisville 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 Louisville to Casper?

    Currently, January is the cheapest month in which you can book a flight from Louisville to Casper (average of $348). Flying from Louisville to Casper in June is currently the most expensive (average of $504). 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

Traveling to a place near Casper?

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

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Top airline flying from Louisville to Casper

Discover the top airline that operate flights from Louisville to Casper. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$368Average$478FlexibilityNo cancel feeOn-time69%

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