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$298+ Cheap flights from Louisville to Casper (SDF - CPR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — CPR
Apr 13 — Apr 201
Mon 4/13
Mon 4/20
1 adult, Economy
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Cheap 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 March 14, 2026.

This United Airlines deal was found by Cheapflights users on 3/9. 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.
Tue 4/143:36 pm
SDF
-
CPR
1 stop5h 23m
United Airlines
Sat 4/181:21 pm
CPR
-
SDF
1 stop7h 18m
United Airlines
Deal found 3/9$388
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Tue 4/213:36 pm
SDF
-
CPR
1 stop8h 31m
United Airlines
Sat 4/2511:22 am
CPR
-
SDF
1 stop9h 17m
United Airlines
Deal found 3/13$408
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Sat 6/136:30 am
SDF
-
CPR
2 stops12h 59m
United Airlines
Sat 6/203:15 pm
CPR
-
SDF
1 stop5h 44m
United Airlines
Deal found 3/10$475
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Fri 6/263:25 pm
SDF
-
CPR
1 stop5h 50m
United Airlines
Tue 7/711:21 am
CPR
-
SDF
2 stops10h 44m
United Airlines
Deal found 3/12$482
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Sat 6/133:25 pm
SDF
-
CPR
1 stop7h 01m
United Airlines
Fri 6/196:13 pm
CPR
-
SDF
2 stops14h 10m
United Airlines
Deal found 3/12$514
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Thu 5/285:20 am
SDF
-
CPR
2 stops7h 26m
United Airlines
Sun 5/316:13 pm
CPR
-
SDF
2 stops14h 10m
United Airlines
Deal found 3/10$519

Find 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 March 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$388
(United Airlines)

One-way from

$298
(United Airlines)
Provider with most accurate pricing for Louisville Intl-Casper Natrona County flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Casper Natrona County flights.
Search Deals
From Louisville Intl to Casper Natrona County
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One-way flight from Louisville Intl to Casper Natrona County
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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 March 14, 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 - CPR

SDFCPR

Louisville Intl

Tue 4/21

3:36 pm-10:07 pm

1 stop8h 31m

Casper Natrona County

Sat 4/25

1:21 pm-10:39 pm

1 stop7h 18m

$388
Quickest round-trip

LouisvilleCasper

SDF - CPR

SDFCPR

Louisville Intl

Tue 4/14

3:36 pm-6:59 pm

1 stop5h 23m

Casper Natrona County

Sat 4/18

1:21 pm-10:39 pm

1 stop7h 18m

$388
Cheapest one-way
Quickest one-way

LouisvilleCasper

SDF - CPR

SDFCPR

Louisville Intl

Sat 4/18

3:36 pm-6:59 pm

1 stop5h 23m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/9

Sorted by cheapest first

Compare providers for flights from Louisville to Casper

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Casper in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Louisville-Casper flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Casper flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Louisville-Casper flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Casper flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Louisville-Casper flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 $388, United Airlines can have you in Casper from Louisville in 8h 31m. 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.

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