$49 Cheap Frontier Airlines flights Austin (AUS) to Miami (MIA)

Scoring cheap one-way Frontier Airlines flights from AUS to MIA from $49 on Expedia is a cinch — just filter by “Price (lowest to highest).” Alternatively, check out our affordable round-trip fares from $98 for your next getaway.**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.

September is one of the least expensive months to jet away to Miami with Frontier Airlines. You could also find fantastic deals on return and one-way fares in October.

For cheap Frontier Airlines fares from Austin-Bergstrom Intl. Airport (AUS) to Miami Intl. Airport (MIA), start searching one to three months before your intended 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 influence the cost. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your trip 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.

Fill in your dates, press search and check “Nonstop” on Expedia to browse any direct flights from AUS to MIA with Frontier Airlines or another carrier.

Search Frontier Airlines’s earliest flights from AUS to MIA by using the “Morning” and “Early Morning” filters. Not only will you get to where you’re going sooner, early departures also have a 20% less chance of being 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.

Jump on a Frontier Airlines flight from Austin-Bergstrom Intl. Airport (AUS) to Miami, and you’re most likely to arrive at Miami Intl. Airport (MIA). This is the airline’s primary hub in this city.

Offering a rewarding loyalty program, Frontier Airlines is a popular choice for many travelers flying from AUS to MIA. Plus, as a Frontier Miles and One Key™ member booking through Expedia, you can 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 usually free within 24 hours of making your booking, but your airline may add a charge after that time. For further information about modifying your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to change your plans without extra charges, tick the “Changes included” and “No cancel fee” filters when planning your next break.