$129 Cheap American Airlines flights Buffalo (BUF) to Las Vegas (LAS)

Finding cheap one-way American Airlines flights from BUF to LAS from $129 on Expedia is a breeze — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly return fares from $257 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.

American Airlines flights to Las Vegas tend to be more affordable in the off-peak months of January and June. Whether you’re searching for a one-way or a return ticket, you could score a better deal then.

Search for cheap American Airlines flights from Buffalo Niagara Intl. Airport (BUF) to Harry Reid Intl. Airport (LAS) one to three months ahead of your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the best day to book a domestic flight is generally Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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.

Enter your dates, press search and check the “Nonstop” filter on Expedia to browse any direct flights from BUF to LAS with American Airlines or another carrier.

Filter your results by “Morning” and “Early Morning” to see the earliest flights from BUF to LAS. Heading off early means you’re 20% less likely to experience cancellations.**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.

Get on an American Airlines flight from Buffalo Niagara Intl. Airport (BUF) to Las Vegas, and you’ll most likely touch down at Harry Reid Intl. Airport (LAS). This is the airline’s main hub in this city.

Depending on the type of ticket you purchased, a fee may apply if you modify or cancel your flight more than 24 hours after confirmation. To secure flexible fares, select our “No cancel fee” or “Changes included” filter when looking for flights. For more information on modifying or canceling your reservation, visit “Trips,” select your flight and tick “Manage Booking.”