$79 Cheap Flights from Pittsburgh (PIT) to Las Vegas (LAS)

Popular airlines from Pittsburgh Intl. Airport (PIT) to Harry Reid Intl. Airport (LAS)

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Find available prices by choosing your travel dates.

Cheap Flights from Pittsburgh to Las Vegas (PIT-LAS)

Prices were available within the past 7 days and start at $79 for one-way flights and $158 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Spirit Airlines
Spirit Airlines
Spirit Airlines
Frontier Airlines
Frontier Airlines
United
Frontier Airlines
JetBlue Airways
American Airlines
Flights from Pittsburgh (PIT) to Las Vegas (LAS)
Origin airport
Pittsburgh 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
$158
Distance
1903 mi

Pittsburgh to Las Vegas Flights

The cheapest times to fly from Pittsburgh 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 Pittsburgh to Las Vegas are during the month of June. You can find some of the cheapest flights from Pittsburgh to Las Vegas with Expedia's search tool and vast selection of airlines.

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

Sunday is one of the best days to book for cheap flights from Pittsburgh 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 Pittsburgh 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 Pittsburgh 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 Pittsburgh 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 Pittsburgh 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 long does it take to fly from PIT to Harry Reid Airport (formerly McCarran Airport)?
With Spirit Airlines, a direct flight takes approximately 4 hours and 49 minutes. Secure a seat on the 6:47PM flight from Pittsburgh Intl. Airport (PIT) and come in to land at LAS at 8:36PM. Walk away with an awesome deal on this route when you use Expedia to arrange your trip.
Is it cheaper to buy a plane ticket from Pittsburgh Airport to McCarran Airport last minute?
When it’s time to book your flights, it pays to be prepared. While it’s possible to pick up a deal on a Pittsburgh Airport to McCarran Airport flight at the last minute, fares usually don’t get cheaper as the departure date nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days ahead. For international flights it’s three to four months.
What airports do you fly into for Las Vegas from Pittsburgh?
McCarran Intl. Airport (LAS), Henderson Executive Airport (HSH) and North Las Vegas Airport (VGT) are your options when jetting off from Pittsburgh to Las Vegas. About 2 mi southeast of the heart of Las Vegas, McCarran Intl. Airport (LAS) is the city’s main gateway. Consider things such as flight schedules and the distance to your hotel before choosing an airport. Thomas and Mack Center and Fashion Show Mall are two amazing attractions to check out when you reach your destination.
What are the most popular departure times for flights from Pittsburgh Airport to Harry Reid Airport (formerly McCarran Airport)?
Between 6:00 PM - 7:00 PM is when you’ll find many Spirit Airlines flights jetting from PIT to LAS. Our suggestion? Choose a flight that departs earlier in the day. With air traffic yet to build up, your chances of hopping on a delay-free flight are better.
Can I change the date of my flight from Pittsburgh Intl. Airport (PIT) to McCarran Airport?
It’s so easy to make amendments to your Pittsburgh Intl. Airport (PIT) to McCarran Airport trip yourself. Access your itinerary via the Expedia Trips portal and click on “change flight.” Search for new flights and secure the one that better suits your plans. You’ll get an estimate of applicable flight change costs. You can also find your way to our Customer Service portal to connect with our Virtual Agent and quickly get answers to all your questions.

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