Cheap flights from Louisville to Las Vegas from $119

The month of October is, on average, the cheapest month to fly to Las Vegas from Louisville, with most prices found around $320. The month of January is another great option to travel to Las Vegas, with average flight prices from Louisville averaging around $333.

Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $431. Flights from Louisville to Las Vegas on a Sunday will generally be more expensive and average around $558. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Las Vegas is in the afternoon when flights can be purchased for as low as $481. Flights to Las Vegas are more costly in the evening, with an average ticket price of $526. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Louisville Intl to Las Vegas Harry Reid Intl for the best Louisville Intl - Las Vegas Harry Reid Intl flight prices

You are more likely to see cheaper flights to Las Vegas from Louisville when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $382 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Louisville for as low as $319 on momondo.

There are 2 cabin classes available to choose from on Louisville to Las Vegas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Louisville to Las Vegas.

As of August 2026, prices for Louisville to Las Vegas flights are approximately 46% more expensive when compared to flights at the same time last year.

United Airlines, Delta, and Southwest are the most popular carriers operating from Louisville Intl to Las Vegas Harry Reid Intl

Frontier, Delta and Allegiant Air are the top three most popular airlines that fly to Las Vegas from Louisville according to our data. Frontier is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 7 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

Chicago (MDW) was the most common stop: 20% of momondo users choosing 1-stop flights on this route connected there.

Flights via Atlanta (ATL) offer the lowest average round-trip price of $287.

Flights connecting via Denver (DEN) have the shortest average one-way travel time: 5h 55m.

Denver (DEN) has the shortest average layover time for this route: 1h 35m.