$46 Cheap Frontier Airlines flights San Antonio (SAT) to Las Vegas (LAS)

You can find affordable round-trip Frontier Airlines flights from $92 from SAT to LAS by organizing your results from “Price (lowest to highest)” on Expedia. Or look for options from $46 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.

Look for one-way or round-trip flights to Las Vegas in January or June. You could find cheaper fares with Frontier Airlines during these off-season months.

To find cheap Frontier Airlines fares from San Antonio Intl. Airport (SAT) to Harry Reid Intl. Airport (LAS), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact the cost. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**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.

Yes, you can travel from San Antonio Intl. Airport (SAT) to Harry Reid Intl. Airport (LAS) on any of Frontier Airlines’s 4 weekly direct flights. Apply Expedia’s “Nonstop” and “Airline” filters to find the Frontier Airlines flight that’ll get you to LAS at your preferred time.

Depart San Antonio Intl. Airport (SAT) for Harry Reid Intl. Airport (LAS) on a direct Frontier Airlines flight, and you’ll be in the skies for about 3h 6m.

The first Frontier Airlines flight from SAT to LAS departs at 8:20PM UTC-6, landing at 9:26PM UTC-8. If you prefer to jet off later, the last Frontier Airlines flight leaves SAT at 8:35PM UTC-6 and touches down at LAS at 9:41PM UTC-8. Flying earlier is generally a smart option as morning and mid-morning flights are 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.

Harry Reid Intl. Airport (LAS) is the primary Las Vegas hub for Frontier Airlines flights from San Antonio Intl. Airport (SAT).

With a rewarding loyalty program, Frontier Airlines is a favorite of many travelers heading from SAT to LAS. Plus, as a Frontier Miles and One Key™ member booking through Expedia, you can 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.

For the San Antonio Intl. Airport (SAT) to Harry Reid Intl. Airport (LAS) route, Frontier Airlines typically flies Airbus A320neo and Airbus A321neo planes. Don’t forget that last-minute changes can occur for operational reasons, so your flight could be on a different aircraft.

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