$79 Cheap Flights from Philadelphia (PHL) to Las Vegas (LAS)

View $79 flight on Fri, Aug 22, 2025Opens in a new window

Popular airlines from Philadelphia Intl. Airport (PHL) to Harry Reid Intl. Airport (LAS)

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Cheap Flights from Philadelphia to Las Vegas (PHL-LAS)

Prices were available within the past 7 days and start at $79 for one-way flights and $149 for roundtrip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Frontier Airlines
Sat, Jul 12 - Sun, Jul 13
PHL
Philadelphia
LAS
Las Vegas
$149
Roundtrip
Just found
Select Frontier Airlines flight, departing Sat, Jul 12 from Philadelphia to Las Vegas, returning Sun, Jul 13, priced at $149 Just found
Spirit Airlines
Tue, Jul 1 - Tue, Jul 8
PHL
Philadelphia
LAS
Las Vegas
$153
Roundtrip
Just found
Select Spirit Airlines flight, departing Tue, Jul 1 from Philadelphia to Las Vegas, returning Tue, Jul 8, priced at $153 Just found
Spirit Airlines
Sat, Jun 28 - Tue, Jul 8
PHL
Philadelphia
LAS
Las Vegas
$155
Roundtrip
Found 19 hours ago
Select Spirit Airlines flight, departing Sat, Jun 28 from Philadelphia to Las Vegas, returning Tue, Jul 8, priced at $155 Found 19 hours ago
Spirit Airlines
Fri, Aug 22 - Mon, Aug 25
PHL
Philadelphia
LAS
Las Vegas
$158
Roundtrip
Just found
Select Spirit Airlines flight, departing Fri, Aug 22 from Philadelphia to Las Vegas, returning Mon, Aug 25, priced at $158 Just found
American Airlines
Sat, Jul 19 - Tue, Jul 22
PHL
Philadelphia
LAS
Las Vegas
$161
Roundtrip
Just found
Select American Airlines flight, departing Sat, Jul 19 from Philadelphia to Las Vegas, returning Tue, Jul 22, priced at $161 Just found
Frontier Airlines
Fri, Aug 15 - Fri, Aug 22
PHL
Philadelphia
LAS
Las Vegas
$167
Roundtrip
Found 2 hours ago
Select Frontier Airlines flight, departing Fri, Aug 15 from Philadelphia to Las Vegas, returning Fri, Aug 22, priced at $167 Found 2 hours ago
Frontier Airlines
Sat, Jul 5 - Tue, Jul 8
PHL
Philadelphia
LAS
Las Vegas
$167
Roundtrip
Just found
Select Frontier Airlines flight, departing Sat, Jul 5 from Philadelphia to Las Vegas, returning Tue, Jul 8, priced at $167 Just found
Spirit Airlines
Sat, Jun 28 - Tue, Jul 1
PHL
Philadelphia
LAS
Las Vegas
$169
Roundtrip
Just found
Select Spirit Airlines flight, departing Sat, Jun 28 from Philadelphia to Las Vegas, returning Tue, Jul 1, priced at $169 Just found
Southwest Airlines
Sat, Sep 20 - Tue, Sep 23
PHL
Philadelphia
LAS
Las Vegas
$216
Roundtrip
Just found
Select Southwest Airlines flight, departing Sat, Sep 20 from Philadelphia to Las Vegas, returning Tue, Sep 23, priced at $216 Just found
JetBlue Airways
Sat, Aug 30 - Tue, Sep 9
PHL
Philadelphia
LAS
Las Vegas
$233
Roundtrip
Found 19 hours ago
Select JetBlue Airways flight, departing Sat, Aug 30 from Philadelphia to Las Vegas, returning Tue, Sep 9, priced at $233 Found 19 hours ago
Flights from Philadelphia (PHL) to Las Vegas (LAS)
Origin airport
Philadelphia Intl.
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$148
Distance
2170 mi
Average flight time
4 hours 1 min

Philadelphia to Las Vegas Flights

The cheapest times to fly from Philadelphia to Las Vegas

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 Philadelphia to Las Vegas are during the month of July. You can find some of the cheapest flights from Philadelphia to Las Vegas with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Philadelphia to Las Vegas: 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 Philadelphia to Las Vegas

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 Philadelphia to Las Vegas in 2025. You can also book with separate airlines for your outbound and return journeys, from $79 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 Philadelphia to Las Vegas 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 Philadelphia to Las Vegas 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 Philadelphia Intl. Airport (PHL) to Harry Reid Intl. Airport (LAS) cost?
Cheap return fares from Philadelphia Intl. Airport (PHL) to Harry Reid Intl. Airport (LAS) start from $158. 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 PHL on July 8 2025 and touching down at LAS. The price was last updated on June 12 2025 and has not changed since.
What is the cheapest month to fly from PHL to LAS?
The cheapest flights from PHL to LAS 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 Philadelphia Intl. Airport (PHL) to Harry Reid Intl. Airport (LAS)?
You can fly straight from Philadelphia Intl. Airport (PHL) to Harry Reid Intl. Airport (LAS) on an American Airlines flight.
What is the cheapest airline that flies from PHL to LAS?
Right now, the cheapest airline operating one-way flights from PHL to LAS is Spirit Airlines. You can book a seat on this route from $79. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PHL on September 7 2025. Prices were last updated on June 12 2025 and have not changed since.
How many flights per day from Philadelphia Intl. Airport (PHL) to Harry Reid Intl. Airport (LAS)?
With, on average, 3 direct flights departing from Philadelphia Intl. Airport (PHL) to Harry Reid Intl. Airport (LAS) every day, you’ll be on your way in no time.
What are the most popular departure times for flights from Philadelphia Intl. Airport (PHL) to Harry Reid Intl. Airport (LAS)?
More travelers fly between PHL and LAS at 4 PM than at any other time of day. Looking for a quieter experience? Pick a flight outside the busiest times and it’s possible you’ll save on your fare as well.
What day of the week has the most flights from PHL to LAS?
If you travel on a Friday, you’ll get the widest range of options for flights from Philadelphia Intl. Airport (PHL) to Harry Reid Intl. Airport (LAS).
What is the earliest flight from Philadelphia Intl. Airport (PHL) to Harry Reid Intl. Airport (LAS)?
The earliest flight taking off from Philadelphia Intl. Airport (PHL) is at around 6:15AM UTC-5. Catch this flight and you’ll reach Harry Reid Intl. Airport (LAS) at approximately 8:56AM UTC-8. The total travel time is 5h 41m.
How long does it take to fly from Philadelphia Intl. Airport (PHL) to Harry Reid Intl. Airport (LAS)?
Flights from PHL to LAS have an average travel time of 5 hours and 35 minutes. The total distance between the two airports is 2,200 mi.
What airline has the least delays from PHL to LAS?
With 84% of flights usually arriving as scheduled, American Airlines has the best on-time performance for direct flights from Philadelphia Intl. Airport (PHL) to Harry Reid Intl. Airport (LAS). To check your flight status and receive notifications if anything changes, head to the Expedia App.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Harry Reid Intl. Airport (LAS)?
Select a flight from Philadelphia Intl. Airport (PHL) to Harry Reid Intl. Airport (LAS) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this 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 Las Vegas from Philadelphia Intl. Airport (PHL)?
If you’re boarding a direct flight from Philadelphia Intl. Airport (PHL) to Las Vegas, Harry Reid Intl. Airport (LAS) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Philadelphia Intl. Airport (PHL) to Harry Reid Intl. Airport (LAS) last-minute?
Last-minute fares from PHL to LAS are typically more expensive. For the lowest rates, start looking for flights well ahead of time. That said, if you can play around with your travel dates, it’s possible to land a cheap ticket right before your journey.
Is it cheaper to book a PHL to LAS flight and hotel package?
Securing a PHL to LAS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Select from our extensive range of accommodations and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Philadelphia Intl. Airport (PHL) to Harry Reid Intl. Airport (LAS)?
Generally, it’s possible to cancel or reschedule your PHL to LAS flight. However, if it’s been more than 24 hours since booking, additional fees may apply. Check your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more information on our Customer Service portal.

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