Cheap flights from Philadelphia to Las Vegas from $132

The month of August is, on average, the cheapest month to fly to Las Vegas from Philadelphia, with most prices found around $289. The month of June is another great option to travel to Las Vegas, with average flight prices from Philadelphia averaging around $349.

Our data shows that Saturday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $344. Flights from Philadelphia to Las Vegas on a Thursday will generally be more expensive and average around $460. 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 morning when flights can be purchased for as low as $401. Flights to Las Vegas are more costly at noon, with an average ticket price of $536. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Las Vegas from Philadelphia when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $414 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from Philadelphia for as low as $349 on momondo.

There are 4 cabin classes available to choose from on Philadelphia to Las Vegas flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Southwest and Alaska Airlines are the most popular carriers operating from Philadelphia to Las Vegas Harry Reid Intl

United Airlines, American Airlines and JetBlue are the top three most popular airlines that fly to Las Vegas from Philadelphia according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Las Vegas. Keep in mind that there are 8 different airlines that fly to Las Vegas on a routine basis, so you have a few additional options to choose from.

Historically, on average around 20% of flights between Philadelphia and Las Vegas have experienced a delay on any given week. The average delay length over the past 12 months has been 177 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Spirit Airlines have had the least number of delays on this route over the last 12 months; with about 17% of their flights experiencing any sort of delay.

Detroit (DTW) was the most common stop: 18% of momondo users choosing 1-stop flights on this route connected there.

Flights via Denver (DEN) offer the lowest average round-trip price of $190.

Flights connecting via St. Louis (STL) have the shortest average one-way travel time: 7h 05m.

Chicago (MDW) has the shortest average layover time for this route: 0h 50m.

As of April 2026, 10 flights take off from Philadelphia and land in Las Vegas each day. The most common flight departure time for this route is 7:00PM, with 46% of daily flights taking off in the evening.

As of April 2026, there are 75 flights per week flying from Philadelphia to Las Vegas. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.