Cheap Frontier Airlines flights Harlingen (HRL) to Las Vegas (LAS)

You’ll discover cheap return Frontier Airlines flights from HRL to LAS by sorting your results from “Price (lowest to highest)” on Expedia. Or search for bargains for a one-way journey.**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.

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

Begin your search one to three months ahead of your departure date to get cheaper fares on Frontier Airlines flights from Valley Intl. Airport (HRL) 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.* Get your timing right, 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.

To figure out if there’s a direct journey from HRL to LAS with Frontier Airlines or other carriers, check the “Nonstop” box when searching for tickets.

Browse Frontier Airlines’s earliest flights from HRL to LAS by checking our “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures are also 20% less likely to be 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.

Frontier Airlines flights from Valley Intl. Airport (HRL) to Las Vegas arrive at Harry Reid Intl. Airport (LAS). This is the main entry point here.

With a rewarding loyalty program, Frontier Airlines is a favorite of many travelers heading from HRL to LAS. Plus, as a Frontier Miles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of making your booking, but your airline may charge a fee after that time. For more information about altering your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to change your itinerary without additional costs, apply the “Changes included” and “No cancel fee” filters when planning your next adventure.