Cheap Frontier Airlines flights Louisville (SDF) to Las Vegas (LAS)

Set the “Price (lowest to highest)” filter on Expedia to look for cheap Frontier Airlines round-trip flights from SDF to LAS. Affordable one-way options are available as well.**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.

Frontier Airlines flights to Las Vegas are typically more affordable in the low-season months of January and June. Whether you’re after a return or one-way ticket, you could land a better deal then.

Begin your search one to three months ahead of your travel date to score cheap fares on Frontier 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 versus last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, 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.

Simply enter your dates, hit search and select the “Nonstop” filter on Expedia to browse any direct flights from SDF to LAS with Frontier Airlines or another carrier.

To find the earliest departures from SDF to LAS with Frontier Airlines, sort your results by “Morning” and “Early Morning.” Choosing an early flight usually means you’re less likely to experience cancellations.**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.

Frontier Airlines flights from Louisville Intl. Airport (SDF) to Las Vegas land at Harry Reid Intl. Airport (LAS). This is the main entry point here.

A rewarding loyalty program and the chance to rack up points through Frontier Miles are the start of the reasons to jet off from SDF to LAS with Frontier Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* on top of Frontier Airlines’s loyalty program earnings. It’s yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s generally possible to cancel or modify your flight, although additional fees may apply if your booking was made over 24 hours ago. Need flexible options? Apply the “Changes included” or “No cancel fee” filter to find flights that won’t charge extra if you need to alter your plans. To update your itinerary, visit “Trips,” select your flight and click on “Manage Booking” for more information.