$109 Cheap United flights Austin (AUS) to Miami (MIA)

View $109 flight on Sun, Oct 5, 2025Opens in a new window

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$109 Cheap United flights Austin (AUS) to Miami (MIA)

Prices were available within the past 7 days and start at $109 for one-way flights and $212 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Sep 8 - Tue, Sep 9
AUS
Austin
MIA
Miami
$212 Roundtrip, found 3 hours ago
$212
Roundtrip
found 3 hours ago
Select United flight, departing Mon, Sep 8 from Austin to Miami, returning Tue, Sep 9, priced at $212 found 3 hours ago
Flights from Austin (AUS) to Miami (MIA)
Origin airport
Austin-Bergstrom Intl.
Destination airport
Miami Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Popular airline
American Airlines
Distance
1102 mi
Average flight time
3 hours 51 mins

Frequently asked questions

How much is a United Airlines flight from Austin-Bergstrom Intl. Airport (AUS) to Miami Intl. Airport (MIA)?
Scoring cheap one-way United Airlines flights from AUS to MIA from $109 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $212 for your next break.**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.
What is the cheapest month to fly from AUS to MIA with United Airlines?
Browse for round-trip or one-way flights to Miami in September or October. You could find a cheap fare with United Airlines during these off-peak months.
What is the cheapest time to book flights from Austin-Bergstrom Intl. Airport (AUS) to Miami Intl. Airport (MIA) with United Airlines?
Start searching one to three months before your departure to find cheaper fares on United Airlines flights from Austin-Bergstrom Intl. Airport (AUS) to Miami Intl. Airport (MIA). 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 cut 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 journeys.*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.
Does United Airlines fly nonstop from Austin-Bergstrom Intl. Airport (AUS) to Miami Intl. Airport (MIA)?
Select our "Nonstop" filter when browsing for direct United Airlines flights from AUS to MIA. You can also compare other carriers servicing the same direct route.
What is the earliest United Airlines flight from AUS to MIA?
Sort your results by "Early Morning" and "Morning" to see the earliest departures from AUS to MIA. Taking off early means you're 20% less likely to experience 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.
What airports does United Airlines fly into in Miami?
Jump on a United Airlines flight from Austin-Bergstrom Intl. Airport (AUS) to Miami, and you'll probably touch down at Miami Intl. Airport (MIA). This is the airline's primary hub in this destination.
Why fly with United Airlines from AUS to MIA?
A rewarding loyalty program and the opportunity to collect points through United Mileage Plus are the start of the reasons to depart from AUS to MIA with United Airlines. Plus, when you sign up to our One Key™ program, you can receive OneKeyCash™* in addition to United Airlines's loyalty program earnings. It's yours to spend on future bookings.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Austin-Bergstrom Intl. Airport (AUS) to Miami Intl. Airport (MIA)?
Changes are usually free within 24 hours of making your booking, but your airline may charge you after that time. For further details about altering your reservation, go to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to change your plans without additional charges, check the "Changes included" or "No cancel fee" filter when planning your next adventure.

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