$408+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — CPR
Oct 8 — Oct 151
Round-trip
1 adult, Economy
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Find cheap flights from Louisville to Casper with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Louisville to Casper
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Cheapest flights from Louisville to CasperExplore 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 September 8, 2026.
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 September 8, 2026.
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 12/93:20 pm -
1 stop5h 32m
Sat 12/123:14 pm -
1 stop4h 43m
Deal found 9/3![United Airlines logo]()
$408
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/33:36 pm -
1 stop6h 41m
Fri 10/231:20 pm -
1 stop7h 12m
Deal found 9/5![United Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/33:36 pm -
1 stop5h 18m
Tue 10/2010:06 am -
2 stops11h 35m
Deal found 9/5![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 10/75:15 am -
2 stops7h 33m
Thu 10/226:00 pm -
2 stops14h 18m
Deal found 9/5![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/63:36 pm -
1 stop6h 41m
Thu 10/221:20 pm -
1 stop7h 12m
Deal found 9/5![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 10/73:36 pm -
1 stop8h 28m
Mon 10/1911:23 am -
1 stop9h 09m
Deal found 9/5![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 10/59:04 am -
2 stops15h 00m
Tue 10/2011:23 am -
1 stop9h 09m
Deal found 9/5![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 10/59:04 am -
2 stops15h 00m
Thu 10/227:15 am -
2 stops14h 26m
Deal found 9/5![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/98:00 am -
1 stop8h 36m
Tue 10/2011:23 am -
1 stop9h 09m
Deal found 9/5![United Airlines logo]()
$508
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 September 8, 2026.
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 September 8, 2026.
This United Airlines deal was found by Cheapflights users on 9/3. 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.
Wed 12/98:45 am -
2 stops13h 57m
Sat 12/121:21 pm -
1 stop6h 36m
Deal found 9/3![United Airlines logo]()
$414
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 10/75:15 am -
2 stops7h 33m
Sun 10/2511:24 am -
1 stop9h 00m
Deal found 9/5![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/5. 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 11/63:24 pm -
1 stop8h 35m
Mon 11/95:15 am -
2 stops9h 47m
Deal found 9/5![United Airlines logo]()
$434
Last-minute flights from Louisville to CasperDiscover last-minute flight deals from Louisville to Casper. Data last updated September 8, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Casper. Data last updated September 8, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/33:36 pm -
1 stop6h 41m
Fri 10/231:20 pm -
1 stop7h 12m
Deal found 9/5![United Airlines logo]()
$428
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/33:36 pm -
1 stop5h 18m
Tue 10/2010:06 am -
2 stops11h 35m
Deal found 9/5![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 10/59:04 am -
2 stops15h 00m
Tue 10/2011:23 am -
1 stop9h 09m
Deal found 9/5![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 10/59:04 am -
2 stops15h 00m
Thu 10/227:15 am -
2 stops14h 26m
Deal found 9/5![United Airlines logo]()
$494
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Mon 10/59:04 am -
2 stops15h 00m
Mon 10/195:15 am -
2 stops11h 56m
Deal found 9/5![United Airlines logo]()
$550
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/63:36 pm -
1 stop6h 41m
Thu 10/221:20 pm -
1 stop7h 12m
Deal found 9/5![United Airlines logo]()
$478
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 10/75:15 am -
2 stops7h 33m
Thu 10/226:00 pm -
2 stops14h 18m
Deal found 9/5![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 9/5. 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.
Wed 10/73:36 pm -
1 stop8h 28m
Mon 10/1911:23 am -
1 stop9h 09m
Deal found 9/5![United Airlines logo]()
$484
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/98:00 am -
1 stop8h 36m
Tue 10/2011:23 am -
1 stop9h 09m
Deal found 9/5![United Airlines logo]()
$508
This United Airlines deal was found by Cheapflights users on 9/5. 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 10/98:00 am -
1 stop8h 36m
Thu 10/225:15 am -
2 stops16h 26m
Deal found 9/5![United Airlines logo]()
$514
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 September 8, 2026.
Most accurate provider | Expedia 1 star |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $408 (United Airlines) |
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 7,457,451 searches. Data last updated September 8, 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
Cheapest round-trip
LouisvilleCasper
SDF Louisville Intl - CPR Casper Natrona County
SDFCPR
Louisville Intl
Wed 12/9
8:45 am-8:42 pm
2 stops13h 57m
Casper Natrona County
Sat 12/12
1:21 pm-9:57 pm
1 stop6h 36m
$414
Quickest round-trip
LouisvilleCasper
SDF Louisville Intl - CPR Casper Natrona County
SDFCPR
Louisville Intl
Wed 10/7
5:15 am-10:48 am
2 stops7h 33m
Casper Natrona County
Sun 10/25
11:24 am-10:24 pm
1 stop9h 00m
$434
LouisvilleCasper
SDF Louisville Intl - CPR Casper Natrona County
SDFCPR
Louisville Intl
Fri 11/6
3:24 pm-9:59 pm
1 stop8h 35m
Casper Natrona County
Mon 11/9
5:15 am-5:02 pm
2 stops9h 47m
$434
Sorted by cheapest first
- Most accurate provider: When it comes to deals on Louisville-Casper flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Louisville-Casper flight deals on Cheapflights vs. Expedia <90% 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 Expedia the most. Expedia 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.
SDF-CPR
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 September 8, 2026.
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.
Comfort
7.3
Crew
8.1
Boarding
7.7
Overall
7.4
Food
6.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
Comfort
7.3
Crew
8.1
Boarding
7.7
Overall
7.4
Food
6.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkayChris,Aug 2026
MIA - ORD
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.
Traveling to a place near Casper?
Book flights to Casper if you plan to visit one of these locationsRawlins
Douglas
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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 7,457,451 searches. Data last updated September 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$318 | Average$554 | FlexibilityNo cancel fee | On-time69% |