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$64+ Cheap flights from Louisville to Las Vegas (SDF - LAS)

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 6/13. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LAS
May 18 — May 251
Sun 5/18
Sun 5/25
1 adult, Economy
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Cheapflights Tip: The best prices from Louisville Intl to Las Vegas Harry Reid Intl are usually found in August or July, booked 31 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from Louisville to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Las Vegas (LAS). 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 May 13, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$234
(Mytrip)

One-way from

$64
(Cheapflightsfares)

Popular in

March

Cheapest in

August

Average price

$365

Good round-trip deal

$371 or less

Good one-way deal

$171 or less
Provider with most accurate pricing for Louisville Intl-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Las Vegas Harry Reid Intl flights.
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From Louisville Intl to Las Vegas Harry Reid Intl
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One-way flight from Louisville Intl to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 16% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Louisville Intl to Las Vegas Harry Reid Intl.
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Price to beat on a one-way flight from Louisville Intl to Las Vegas Harry Reid Intl.
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Find flight deals from Louisville to Las Vegas

Cheapest flights from Louisville to Las Vegas
Explore the most affordable flight options available from Louisville to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2025.

This Mytrip deal was found by Cheapflights users on 5/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2712:58 pmSDF - LAS
3 stops45h 21mSpirit Airlines
Tue 6/312:42 pmLAS - SDF
1 stop23h 14mSpirit Airlines
Deal found 5/10$237
This Mytrip deal was found by Cheapflights users on 5/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/89:57 amSDF - LAS
2 stops39h 12mMultiple Airlines
Wed 7/912:17 amLAS - SDF
1 stop9h 55mMultiple Airlines
Deal found 5/12$292
This Delta deal was found by Cheapflights users on 5/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/21:44 pmSDF - LAS
1 stop8h 29mDelta
Fri 7/412:50 amLAS - SDF
1 stop8h 14mDelta
Deal found 5/11$305
This Southwest deal was found by Cheapflights users on 5/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/55:15 pmSDF - LAS
Nonstop4h 00mSouthwest
Tue 7/86:15 pmLAS - SDF
Nonstop3h 45mSouthwest
Deal found 5/11$314
This American Airlines deal was found by Cheapflights users on 5/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1612:02 pmSDF - LAS
1 stop7h 53mAmerican Airlines
Sun 12/211:38 amLAS - SDF
1 stop5h 29mAmerican Airlines
Deal found 5/12$394
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Sun 8/317:15 amSDF - LAS
1 stop6h 48mUnited Airlines
Fri 9/512:30 pmLAS - SDF
1 stop6h 54mUnited Airlines
Deal found 5/12$422

Cheapflights Fare Finder

Customize your flight search to find flights from Louisville to Las Vegas 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 May 13, 2025.
Use the filters below to find and compare flights from Louisville to Las Vegas that are best for you.

Fly from

Louisville

Fly to

Las Vegas

Route

Depart

Return

Price

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Fri 5/30

3:51 pm-11:28 pm

1 stop10h 37m

Las Vegas Harry Reid Intl

Sun 6/1

5:35 am-1:12 pm

3 stops28h 37m

$234

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Thu 6/12

5:44 pm-11:39 pm

2 stops32h 55m

Las Vegas Harry Reid Intl

Wed 6/18

12:56 pm-1:35 pm

2 stops21h 39m

$271

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Wed 7/2

1:44 pm-7:13 pm

1 stop8h 29m

Las Vegas Harry Reid Intl

Fri 7/4

12:50 am-12:04 pm

1 stop8h 14m

$305

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Sat 7/5

5:15 pm-6:15 pm

Nonstop4h 00m

Las Vegas Harry Reid Intl

Tue 7/8

6:15 pm-1:00 am

Nonstop3h 45m

$314

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Wed 7/2

3:25 pm-11:57 pm

2 stops11h 32m

Las Vegas Harry Reid Intl

Sun 7/6

11:43 pm-9:57 am

1 stop7h 14m

$427

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Mon 5/19

6:00 am-9:10 am

1 stop6h 10m

Las Vegas Harry Reid Intl

Sun 5/25

12:59 am-10:25 am

1 stop6h 26m

$439

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Fri 6/13

4:17 pm-6:42 am

1 stop17h 25m

$64

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Thu 8/7

5:43 pm-11:39 pm

2 stops32h 56m

$129

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Thu 7/3

5:55 am-6:55 am

Nonstop4h 00m

$148

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Fri 5/30

6:48 pm-5:22 pm

1 stop25h 34m

$158

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/11

Showing 1-10 of 14 results
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Compare providers for flights from Louisville to Las Vegas

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 Las Vegas in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 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-Las Vegas flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Louisville-Las Vegas flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Louisville-Las Vegas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Louisville-Las Vegas flights, Cheapflights users trust CheapOair the most. CheapOair 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-Las Vegas 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 Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas 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.

Cheapflights Insights

Everything you need to know about your flight from Louisville to Las Vegas

How far ahead should I book a flight from Louisville to Las Vegas?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Las Vegas. Price data was last updated on May 9, 2025.

The best time to book flights from Louisville to Las Vegas is 31 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Louisville to Las Vegas?

Currently, August is the cheapest month in which you can book a flight from Louisville to Las Vegas (average of $198). Flying from Louisville to Las Vegas in March is currently the most expensive (average of $269). 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.

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

Find hourly flight availability from Louisville to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 13, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 58% on flights from Louisville to Las Vegas by exploring options for tickets in the evening.

What is the cheapest day to fly from Louisville to Las Vegas?

Use this chart to determine the cheapest time to fly round-trip from Louisville to Las Vegas. Price data was last updated on May 11, 2025.

Travelers seeking maximum savings on their Louisville to Las Vegas flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, 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 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated May 13, 2025.
See what other customers who have flown with Southwest, Delta and United Airlines from Louisville to Las Vegas have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,290 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,290 reviews
Southwest
8.0
Very good
4,290 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Delta
8.0
Very good
7,950 reviews
Southwest
8.0
Very good
4,290 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
United Airlines
7.4
Good
8,724 reviews
Southwest
8.0
Very good
4,290 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Allegiant Air
7.3
Good
734 reviews
Southwest
8.0
Very good
4,290 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,290 reviews

Boarding

8.2

Crew

8.6

Entertainment

7.6

Comfort

8.0

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

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

  • What airports do I use to fly from Louisville to Las Vegas?

    You will need to book a flight from Louisville Intl to Las Vegas Harry Reid Intl if you want to fly from Louisville to Las Vegas. At least 6 different airlines have flights from Louisville Intl (SDF) to Harry Reid Intl (LAS) on a regular basis. There is 1 flight to Las Vegas from the Louisville airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SDF to LAS to be around 3h 59m.

  • How popular is this Louisville to Las Vegas flight route?

    The Louisville Intl to Las Vegas Harry Reid Intl flight path was viewed by 26 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Louisville to Las Vegas round-trip?

    Spirit Airlines, at $234, was found to be the cheapest airline from Louisville to Las Vegas.Alternate airlines to your destination round-trip include Delta and Southwest. You may be able to fly from Louisville to Las Vegas for 32% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Louisville to Las Vegas one-way?

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $64. Users have also found prices from $129 and $148 on Allegiant Air and Southwest, respectively.

  • What are the cheapest flights from Louisville to Las Vegas?

    Looking at all options, your cheapest flight can be booked for $118. While the most popular route (Louisville Intl - Las Vegas Harry Reid Intl) can be booked for $142 on average our data indicates $350 when flying from Louisville to Las Vegas.

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

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

  • How can I find direct flights from Louisville to Las Vegas?

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

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

    Yes. Cheapflights offers flight deals from Louisville to Las Vegas 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 Las Vegas?

    Currently, August is the cheapest month in which you can book a flight from Louisville to Las Vegas (average of $198). Flying from Louisville to Las Vegas in March is currently the most expensive (average of $269). 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 Louisville?

Book flights to Louisville if you plan to visit one of these locations
Henderson
Paradise
North Las Vegas
Sunrise Manor
Winchester
Primm
Mount Charleston
Kingman
Mesquite
Needles
Boulder City

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Top 6 airlines flying from Louisville to Las Vegas

Discover the top 6 airlines that operate flights from Louisville to Las Vegas. 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 May 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$109Average$190FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$127Average$175FlexibilityNo cancel feeOn-time88%
DeltaCheapest$236Average$277FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$243Average$373FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$263Average$399FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$328Average$487FlexibilityNo cancel feeOn-time63%

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