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$100+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — LAS
Mar 27 — Apr 31
Fri 3/27
Fri 4/3
1 adult, Economy
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Find cheap flights from Louisville to Las Vegas 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”

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Cheapflights Tip: The best prices from Louisville Intl to Las Vegas Harry Reid Intl are usually found in October or September, booked 71 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap 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 February 25, 2026.

This Southwest deal was found by Cheapflights users on 2/24. 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.
Wed 4/1512:10 pm
SDF
-
LAS
2 stops9h 00m
Southwest
Sat 4/188:10 am
LAS
-
SDF
2 stops10h 45m
Southwest
Deal found 2/24$296
This Delta deal was found by Cheapflights users on 2/23. 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.
Mon 3/165:35 pm
SDF
-
LAS
1 stop9h 00m
Delta
Mon 3/2310:20 pm
LAS
-
SDF
1 stop8h 08m
Delta
Deal found 2/23$298
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/123:33 pm
SDF
-
LAS
1 stop11h 16m
Multiple Airlines
Thu 4/1610:28 pm
LAS
-
SDF
2 stops10h 13m
Multiple Airlines
Deal found 2/23$299
This Southwest deal was found by Cheapflights users on 2/23. 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.
Tue 4/2112:10 pm
SDF
-
LAS
2 stops9h 00m
Southwest
Fri 4/2410:35 am
LAS
-
SDF
2 stops8h 10m
Southwest
Deal found 2/23$300
This Kiwi.com deal was found by Cheapflights users on 2/24. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1012:09 pm
SDF
-
LAS
1 stop13h 27m
Multiple Airlines
Wed 4/1511:59 pm
LAS
-
SDF
2 stops39h 59m
Multiple Airlines
Deal found 2/24$301
This American Airlines deal was found by Cheapflights users on 2/24. 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.
Fri 3/278:12 pm
SDF
-
LAS
1 stop6h 51m
American Airlines
Mon 3/3010:59 pm
LAS
-
SDF
1 stop7h 52m
American Airlines
Deal found 2/24$302
This Southwest deal was found by Cheapflights users on 2/24. 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.
Thu 3/265:55 pm
SDF
-
LAS
1 stop9h 00m
Southwest
Thu 4/26:30 am
LAS
-
SDF
1 stop6h 20m
Southwest
Deal found 2/24$303
This Southwest deal was found by Cheapflights users on 2/23. 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.
Tue 3/243:45 pm
SDF
-
LAS
Nonstop4h 15m
Southwest
Tue 3/316:00 am
LAS
-
SDF
1 stop7h 20m
Southwest
Deal found 2/23$304
This Southwest deal was found by Cheapflights users on 2/23. 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.
Tue 4/141:35 pm
SDF
-
LAS
1 stop6h 55m
Southwest
Sat 4/187:45 am
LAS
-
SDF
Nonstop3h 40m
Southwest
Deal found 2/23$305
This Mytrip deal was found by Cheapflights users on 2/22. 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 3/2412:42 pm
SDF
-
LAS
1 stop14h 07m
Spirit Airlines
Mon 3/301:01 am
LAS
-
SDF
3 stops31h 13m
Spirit Airlines
Deal found 2/22$306
This United Airlines deal was found by Cheapflights users on 2/21. 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 3/109:00 am
SDF
-
LAS
2 stops8h 42m
United Airlines
Thu 3/195:30 am
LAS
-
SDF
1 stop5h 49m
United Airlines
Deal found 2/21$307
This Kiwi.com deal was found by Cheapflights users on 2/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/103:33 pm
SDF
-
LAS
1 stop11h 11m
Multiple Airlines
Tue 3/1711:59 pm
LAS
-
SDF
2 stops29h 37m
Multiple Airlines
Deal found 2/23$308

Find 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 February 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$298
(Delta)

One-way from

$100
(Cheapflightsfares)

Popular in

March

Cheapest in

October

Average price

$378

Good round-trip deal

$412 or less

Good one-way deal

$259 or less
Provider with most accurate pricing for Louisville Intl-Las Vegas Harry Reid Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Las Vegas Harry Reid Intl flights.
Search Deals
From Louisville Intl to Las Vegas Harry Reid Intl
Search Deals
One-way flight from Louisville Intl to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Louisville Intl to Las Vegas Harry Reid Intl.
Search Deals
Price to beat on a one-way flight from Louisville Intl to Las Vegas Harry Reid Intl.
Search Deals

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 February 25, 2026.
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

Mon 5/25

8:10 pm-11:35 pm

1 stop6h 25m

Las Vegas Harry Reid Intl

Sun 5/31

5:30 am-4:05 pm

1 stop7h 35m

$327

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Tue 5/26

5:46 pm-11:53 pm

1 stop9h 07m

Las Vegas Harry Reid Intl

Mon 6/1

9:10 pm-9:02 am

2 stops8h 52m

$332

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Wed 4/8

10:00 am-6:23 pm

2 stops11h 23m

Las Vegas Harry Reid Intl

Wed 4/8

11:59 pm-9:25 am

1 stop6h 26m

$332

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Sat 5/9

4:50 pm-8:20 pm

1 stop6h 30m

Las Vegas Harry Reid Intl

Sun 5/17

11:55 pm-9:55 am

1 stop7h 00m

$347

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Sat 3/21

6:15 pm-9:40 pm

1 stop6h 25m

Las Vegas Harry Reid Intl

Wed 3/25

6:10 am-10:15 pm

2 stops13h 05m

$365

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Tue 3/24

3:45 pm-5:00 pm

Nonstop4h 15m

Las Vegas Harry Reid Intl

Fri 3/27

5:10 am-4:40 pm

1 stop8h 30m

$386

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Mon 3/23

3:15 pm-11:55 pm

2 stops11h 40m

Las Vegas Harry Reid Intl

Thu 3/26

12:36 am-1:17 pm

2 stops9h 41m

$402

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Sat 2/28

7:05 am-1:45 pm

2 stops9h 40m

Las Vegas Harry Reid Intl

Mon 3/2

5:05 am-4:15 pm

1 stop8h 10m

$414

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Sat 3/7

8:55 am-3:52 pm

1 stop9h 57m

Las Vegas Harry Reid Intl

Sat 3/14

12:50 am-11:51 am

1 stop8h 01m

$458

LouisvilleLas Vegas

SDF - LAS

SDFLAS

Louisville Intl

Fri 3/6

2:07 pm-10:18 pm

1 stop11h 11m

Las Vegas Harry Reid Intl

Mon 3/9

7:47 am-9:59 pm

2 stops11h 12m

$462

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 23 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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice 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-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Louisville-Las Vegas flight deals on Cheapflights vs. FlightHub >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 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-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 February 20, 2026.

The best time to book flights from Louisville to Las Vegas is 71 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, April is the cheapest month in which you can book a flight from Louisville to Las Vegas (average of $84). Flying from Louisville to Las Vegas in September is currently the most expensive (average of $123). 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 February 25, 2026.

Unlike in the morning, when flights are generally more expensive, you can save up to 74% 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 February 21, 2026.

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

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 February 25, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Louisville to Las Vegas. 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.
Southwest
8.0
Very good
4,300 reviews

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,300 reviews
Southwest
8.0
Very good
4,300 reviews

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,237 reviews
Southwest
8.0
Very good
4,300 reviews

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,345 reviews
Southwest
8.0
Very good
4,300 reviews

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,345 reviews
Southwest
8.0
Very good
4,300 reviews

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,489 reviews
Southwest
8.0
Very good
4,300 reviews

Food

7.0

Crew

8.6

Boarding

8.1

Overall

8.0

Entertainment

7.5

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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.

  • 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.

  • How long is the flight from Louisville to Las Vegas?

    Southwest and United Airlines can get you from Louisville to Las Vegas in just under 6h 25m. Your travel time can differ by up to 2h 42m. Louisville and Las Vegas are separated by a distance of 1619 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Spirit Airlines, at $84, was found to be the cheapest airline from Louisville to Las Vegas.Alternate airlines to your destination round-trip include Delta and American Airlines. You may be able to fly from Louisville to Las Vegas for 76% 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 $62. Users have also found prices from $129 and $138 on United Airlines and Southwest, respectively.

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

    Looking at all options, your cheapest flight can be booked for $224. While the most popular route (Louisville Intl - Las Vegas Harry Reid Intl) can be booked for $201 on average, our data indicates $409 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, April is the cheapest month in which you can book a flight from Louisville to Las Vegas (average of $84). Flying from Louisville to Las Vegas in September is currently the most expensive (average of $123). 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 Las Vegas?

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

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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 February 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$84Average$183FlexibilityNo cancel feeOn-time65%
DeltaCheapest$142Average$298FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$236Average$393FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$363FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$284Average$446FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$314Average$314FlexibilityNo cancel feeOn-time62%

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