$139 Cheap American Airlines flights Las Vegas (LAS) to Pittsburgh (PIT)

Finding cheap one-way American Airlines flights from LAS to PIT from $139 on Expedia is a cinch — just filter by “Price (lowest to highest).” Or check out our budget-friendly return fares from $237 for your next exciting vacation.**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.

January is one of the least expensive months to jet off to Pittsburgh with American Airlines. You could also find excellent prices on return and one-way fares in February.

Start searching one to three months ahead of your travel date to get cheaper fares on American Airlines flights from Harry Reid Intl. Airport (LAS) to Pittsburgh Intl. Airport (PIT). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also cut 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 journeys.*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.

Fill in your dates, hit search and select the “Nonstop” filter on Expedia to browse any direct flights from LAS to PIT with American Airlines or another airline.

Search American Airlines’s earliest flights from LAS to PIT by checking our “Morning” and “Early Morning” filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**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.

American Airlines flights from Harry Reid Intl. Airport (LAS) to Pittsburgh land at Pittsburgh Intl. Airport (PIT). This is the main gateway here.

Depending on the ticket type you purchased, a fee may apply if you modify or cancel your flight more than 24 hours after it’s been confirmed. To find plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when you search for flights. For more details on canceling or modifying your reservation, visit “Trips,” select your flight and click on “Manage Booking.”