$116 Cheap Southwest Airlines flights Louisville (SDF) to Las Vegas (LAS)

Set the "Price (lowest to highest)" filter on Expedia to look for cheap Southwest Airlines return flights from $194 from SDF to LAS. Affordable one-way tickets from $116 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Begin your search one to three months ahead of your departure date to get cheap fares on Southwest Airlines flights from Louisville Intl. Airport (SDF) to Harry Reid Intl. Airport (LAS). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get the timing right, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The earliest flight from SDF to LAS with Southwest Airlines departs at 8:05AM UTC-5. You'll land at 9:35AM UTC-8. The final Southwest Airlines flight of the day takes off at 1:55PM UTC-5 and arrives at 3:15PM UTC-8. With approximately 20% fewer cancellations for morning departures, heading out early is often the wisest option.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.