$74 Cheap Frontier Airlines flights Las Vegas (LAS) to San Antonio (SAT)

Set the “Price (lowest to highest)” filter on Expedia to search for cheap Frontier Airlines round-trip flights from $124 from LAS to SAT. Affordable one-way tickets from $74 are available too.**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 return flights to San Antonio in January or September. You could find a cheap fare with Frontier Airlines during these off-season months.

Begin your search one to three months before your departure to score cheaper fares on Frontier Airlines flights from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT). You can save 25% by booking your domestic flight 34 to 86 days in advance versus 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.* Time it well, 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.

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

From takeoff till touchdown, a direct Frontier Airlines flight from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT) takes around 2h 42m.

Setting off from LAS at 2:48PM UTC-8, the first Frontier Airlines flight to SAT lands at 7:30PM UTC-6. Flying early means you’re less likely to encounter delays or cancellations.* Not an early riser? The last Frontier Airlines flight from LAS to SAT departs at 2:53PM UTC-8 and touches down at 7:35PM UTC-6.*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.

San Antonio Intl. Airport (SAT) is the main San Antonio gateway for Frontier Airlines flights from Harry Reid Intl. Airport (LAS).

With a rewarding loyalty program, Frontier Airlines is a popular choice for many travelers journeying from LAS to SAT. 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.

Frontier Airlines typically uses Airbus A320neo planes for flights from Harry Reid Intl. Airport (LAS) to San Antonio Intl. Airport (SAT). This carrier also operates the Airbus A321neo on this route. Remember that aircraft type can change depending on operational requirements, so the plane you catch could be different when you travel.

Depending on your fare type, a fee typically applies if you cancel or change your booking more than 24 hours after it’s confirmed. To find plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when searching for flights. To learn more about canceling or changing your reservation, visit “Trips,” select your flight and tick “Manage Booking.”