$62 Cheap Flights from Las Vegas (LAS) to Louisville (SDF)

View $62 flight on Wed, Sep 3, 2025Opens in a new window

Popular airlines from Harry Reid Intl. Airport (LAS) to Louisville Intl. Airport (SDF)

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Cheap Flights from Las Vegas to Louisville (LAS-SDF)

Prices were available within the past 7 days and start at $62 for one-way flights and $127 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Fri, Sep 5 - Mon, Sep 8
LAS
Las Vegas
SDF
Louisville
$127 Roundtrip, just found
$127
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, Sep 5 from Las Vegas to Louisville, returning Mon, Sep 8, priced at $127 just found
Spirit Airlines
Mon, Aug 18 - Sun, Aug 24
LAS
Las Vegas
SDF
Louisville
$142 Roundtrip, found 2 days ago
$142
Roundtrip
found 2 days ago
Select Spirit Airlines flight, departing Mon, Aug 18 from Las Vegas to Louisville, returning Sun, Aug 24, priced at $142 found 2 days ago
Spirit Airlines
Thu, Oct 16 - Sun, Oct 19
LAS
Las Vegas
SDF
Louisville
$147 Roundtrip, just found
$147
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Oct 16 from Las Vegas to Louisville, returning Sun, Oct 19, priced at $147 just found
Spirit Airlines
Mon, Aug 18 - Tue, Aug 19
LAS
Las Vegas
SDF
Louisville
$147 Roundtrip, found 3 days ago
$147
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Mon, Aug 18 from Las Vegas to Louisville, returning Tue, Aug 19, priced at $147 found 3 days ago
Spirit Airlines
Sat, Sep 20 - Mon, Sep 22
LAS
Las Vegas
SDF
Louisville
$148 Roundtrip, found 2 hours ago
$148
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Sat, Sep 20 from Las Vegas to Louisville, returning Mon, Sep 22, priced at $148 found 2 hours ago
Spirit Airlines
Fri, Sep 5 - Mon, Sep 8
LAS
Las Vegas
SDF
Louisville
$153 Roundtrip, just found
$153
Roundtrip
just found
Select Spirit Airlines flight, departing Fri, Sep 5 from Las Vegas to Louisville, returning Mon, Sep 8, priced at $153 just found
Southwest Airlines
Fri, Sep 12 - Sun, Sep 14
LAS
Las Vegas
SDF
Louisville
$179 Roundtrip, just found
$179
Roundtrip
just found
Select Southwest Airlines flight, departing Fri, Sep 12 from Las Vegas to Louisville, returning Sun, Sep 14, priced at $179 just found
American Airlines
Mon, Sep 29 - Sun, Oct 5
LAS
Las Vegas
SDF
Louisville
$194 Roundtrip, found 10 hours ago
$194
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Mon, Sep 29 from Las Vegas to Louisville, returning Sun, Oct 5, priced at $194 found 10 hours ago
United
Tue, Oct 28 - Wed, Oct 29
LAS
Las Vegas
SDF
Louisville
$318 Roundtrip, found 2 days ago
$318
Roundtrip
found 2 days ago
Select United flight, departing Tue, Oct 28 from Las Vegas to Louisville, returning Wed, Oct 29, priced at $318 found 2 days ago
Breeze Airways
Wed, Apr 29 - Sun, May 3
LAS
Las Vegas
SDF
Louisville
$734 Roundtrip, found 2 days ago
$734
Roundtrip
found 2 days ago
Select Breeze Airways flight, departing Wed, Apr 29 from Las Vegas to Louisville, returning Sun, May 3, priced at $734 found 2 days ago

Find the cheapest month to fly from Las Vegas (LAS) to Louisville (SDF)

July is typically the cheapest month to fly

From $115 - $255 per traveler.

Graph displaying average flight prices per month

Flights from Las Vegas (LAS) to Louisville (SDF)
Origin airport
Harry Reid Intl.
Destination airport
Louisville Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$126
Distance
1619 mi
Average flight time
7 hours 20 mins

Las Vegas to Louisville Flights

The cheapest times to fly from Las Vegas to Louisville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Las Vegas to Louisville are during the month of September. You can find some of the cheapest flights from Las Vegas to Louisville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Las Vegas to Louisville

Sunday is one of the best days to book for cheap flights from Las Vegas to Louisville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Las Vegas to Louisville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Las Vegas to Louisville in 2025. You can also book with separate airlines for your outbound and return journeys, from $62 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Las Vegas to Louisville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Las Vegas to Louisville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Louisville Intl. Airport (SDF) cost?
Cheap return flights from Harry Reid Intl. Airport (LAS) to Louisville Intl. Airport (SDF) start from $127. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Spirit Airlines flight leaving LAS on August 19 2025 and touching down at SDF. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from LAS to SDF?
The cheapest flights from LAS to SDF are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Harry Reid Intl. Airport (LAS) to Louisville Intl. Airport (SDF)?
When setting off from Harry Reid Intl. Airport (LAS), you can board a direct flight to Louisville Intl. Airport (SDF) with Southwest Airlines.
What is the cheapest airline that flies from LAS to SDF?
Currently, the cheapest carrier operating one-way flights from LAS to SDF is Spirit Airlines. You can book a seat on this route from $64. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LAS on October 17 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Harry Reid Intl. Airport (LAS) to Louisville Intl. Airport (SDF)?
On average, there is just 1 nonstop flight operating from Harry Reid Intl. Airport (LAS) to Louisville Intl. Airport (SDF) each day. If this doesn't fit your plans, consider flights with layovers. Just filter your search on Expedia to include one or more stops to find the next best option.
What are the most popular departure times for flights from Harry Reid Intl. Airport (LAS) to Louisville Intl. Airport (SDF)?
More people fly between LAS and SDF at 9 AM than at any other time of day. Looking for a quieter experience? Travel outside of rush hours and there's a chance you'll save on your fare as well.
What day of the week has the most flights from LAS to SDF?
Tuesday offers the most flights from Harry Reid Intl. Airport (LAS) to Louisville Intl. Airport (SDF). Consider taking off on this day and you'll have the best chance of finding a schedule that works for you.
What is the earliest flight from Harry Reid Intl. Airport (LAS) to Louisville Intl. Airport (SDF)?
The first flight of the day departing from Harry Reid Intl. Airport (LAS) is at around 8:20AM UTC-8. Hop on this flight and you'll touch down at Louisville Intl. Airport (SDF) at approximately 2:55PM UTC-5. The total flight duration is 3h 35m.
How long does it take to fly from Harry Reid Intl. Airport (LAS) to Louisville Intl. Airport (SDF)?
Flights from LAS to SDF have an average travel time of 3 hours and 35 minutes. The distance between these two airports is 1,600 mi.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Louisville Intl. Airport (SDF)?
Choose a flight from Harry Reid Intl. Airport (LAS) to Louisville Intl. Airport (SDF) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Louisville from Harry Reid Intl. Airport (LAS)?
Explore your flight options from Harry Reid Intl. Airport (LAS) to Louisville Intl. Airport (SDF). This is the only airport in Louisville you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Louisville Intl. Airport (SDF) last-minute?
Booking your ticket from LAS to SDF just before your getaway is typically more expensive. But if there's some wiggle room with your schedule, you could land a cheap last-minute fare.
Is it cheaper to book a LAS to SDF flight and hotel package?
Compared with arranging flights and hotels separately, booking a LAS to SDF flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the hassle out of travel planning. Simply pick your flights and select from our wide range of stays, then tailor your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Louisville Intl. Airport (SDF)?
In most cases, you can cancel or modify your LAS to SDF flight. However, additional charges may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need further information, go to our Customer Service portal.

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*Available to One Key members.