$144 Cheap United flights New York (LGA) to Las Vegas (LAS)

Finding cheap one-way United Airlines flights from LGA to LAS from $144 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $230 for your next exciting adventure.**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 most affordable months to get away to Las Vegas with United Airlines. You could also find excellent prices on one-way and round-trip tickets in June.

Start searching one to three months before your departure to score cheap fares on United Airlines flights from LaGuardia Airport (LGA) to Harry Reid Intl. Airport (LAS). 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 reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Nail your timing, and you can enjoy significant savings on domestic flights.*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 use the “Nonstop” filter on Expedia to browse any direct flights from LGA to LAS with United Airlines or another airline.

Browse United Airlines’s earliest flights from LGA to LAS by checking the “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures also experience 20% fewer 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.

Harry Reid Intl. Airport (LAS) is the main Las Vegas gateway for United Airlines flights from LaGuardia Airport (LGA).

Offering a rewarding loyalty program, United Airlines is a popular choice for many passengers journeying from LGA to LAS. Plus, if you’re a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You can usually cancel or change your flight, although additional fees may apply if your booking was made more than 24 hours ago. Prefer to keep your options open? Make use of our “Changes included” or “No cancel fee” filter to find flights that won’t penalize you if you need to alter your plans. To make changes, visit “Trips,” select your flight and click on “Manage Booking” for more details.