How long is the flight from Louisville to Casper?

For as low as $328, United Airlines can have you in Casper from Louisville in 5h 35m. Airlines will cover a distance of 1132 mi.

What is the cheapest airline to fly from Louisville to Casper round-trip?

United Airlines, at $318, was found to be the cheapest airline from Louisville to Casper..

In terms of precipitation, rainfall in Casper ranges from 0.5 - 2.0 inches per month. May is typically the wettest month, when rainfall can reach 2.0 in. January is typically the driest time to visit Casper when rainfall is around 0.5 in.

If weather is an important factor for your trip to Casper, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 23.0 F).

What is the cheapest time of day to fly from SDF to CPR?

When flying from Louisville to Casper, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Louisville-Casper flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Casper flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

$328+ Flights from Louisville to Casper

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Cheap flight deals from Louisville to Casper

Best flights from Louisville to Casper
Discover carefully curated flight deals from Louisville to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Sat 1/319:00 amSDF - CPR

1 stop5h 35mUnited Airlines

Tue 2/35:30 amCPR - SDF

1 stop6h 56mUnited Airlines

Deal found 12/9

$328

Last-minute flights from Louisville to Casper
Discover last-minute flight deals from Louisville to Casper. Data last updated December 12, 2025 and is based on user searches.

Sat 1/319:00 amSDF - CPR

1 stop5h 35mUnited Airlines

Tue 2/35:30 amCPR - SDF

1 stop6h 56mUnited Airlines

Deal found 12/9

$328

Find flight deals from Louisville to Casper

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$328 (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.

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From Louisville Intl to Casper Natrona County

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleCasper

SDF - CPR

SDFCPR

Louisville Intl

Sat 1/31

9:00 am-12:35 pm

1 stop5h 35m

Casper Natrona County

Tue 2/3

5:30 am-2:26 pm

1 stop6h 56m

$328

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Louisville to Casper

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Louisville to Casper in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Louisville-Casper flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

Reviews of airlines servicing Casper

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

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

United Airlines

7.4

Good

9,095 reviews

United Airlines

7.4

Good

9,095 reviews

Reviews

1 / 20

10.0

Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

How long is the flight from Louisville to Casper?
For as low as $328, United Airlines can have you in Casper from Louisville in 5h 35m. Airlines will cover a distance of 1132 mi.
What is the cheapest airline to fly from Louisville to Casper round-trip?
United Airlines, at $318, was found to be the cheapest airline from Louisville to Casper..
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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Louisville to Casper

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$318	Average$403	FlexibilityNo cancel fee	On-time69%

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$328+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Louisville to Casper with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Louisville to Casper

Best flights from Louisville to CasperDiscover carefully curated flight deals from Louisville to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Discover carefully curated flight deals from Louisville to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Find flight deals from Louisville to Casper

Most accurate provider

Most trusted provider

Round-trip from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Louisville to Casper that are best for you.

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 December.

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.

Reviews of airlines servicing Casper

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.

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?

What is the cheapest airline to fly from Louisville to Casper round-trip?

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

How can I find direct flights from Louisville to Casper?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisville to Casper

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Louisville to Casper

100% Free

Book with Flexibility

Travel Smart

Best flights from Louisville to Casper
Discover carefully curated flight deals from Louisville to Casper that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.