$51 Cheap Flights from Miami (MIA) to Austin (AUS)

View $51 flight on Mon, Oct 6, 2025Opens in a new window

Popular airlines from Miami Intl. Airport (MIA) to Austin-Bergstrom Intl. Airport (AUS)

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Cheap Flights from Miami to Austin (MIA-AUS)

Prices were available within the past 7 days and start at $51 for one-way flights and $108 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sun, Aug 24 - Sun, Aug 31
MIA
Miami
AUS
Austin
$108 Roundtrip, found 18 hours ago
$108
Roundtrip
found 18 hours ago
Select Frontier Airlines flight, departing Sun, Aug 24 from Miami to Austin, returning Sun, Aug 31, priced at $108 found 18 hours ago
Frontier Airlines
Thu, Sep 11 - Sun, Sep 14
MIA
Miami
AUS
Austin
$112 Roundtrip, just found
$112
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 11 from Miami to Austin, returning Sun, Sep 14, priced at $112 just found
Frontier Airlines
Sun, Oct 26 - Thu, Oct 30
MIA
Miami
AUS
Austin
$113 Roundtrip, found 2 hours ago
$113
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Sun, Oct 26 from Miami to Austin, returning Thu, Oct 30, priced at $113 found 2 hours ago
Frontier Airlines
Thu, Aug 21 - Sun, Aug 31
MIA
Miami
AUS
Austin
$119 Roundtrip, found 13 hours ago
$119
Roundtrip
found 13 hours ago
Select Frontier Airlines flight, departing Thu, Aug 21 from Miami to Austin, returning Sun, Aug 31, priced at $119 found 13 hours ago
Southwest Airlines
Fri, Sep 5 - Sun, Sep 7
MIA
Miami
AUS
Austin
$124 Roundtrip, just found
$124
Roundtrip
just found
Select Southwest Airlines flight, departing Fri, Sep 5 from Miami to Austin, returning Sun, Sep 7, priced at $124 just found
Frontier Airlines
Thu, Aug 21 - Mon, Sep 1
MIA
Miami
AUS
Austin
$126 Roundtrip, found 4 days ago
$126
Roundtrip
found 4 days ago
Select Frontier Airlines flight, departing Thu, Aug 21 from Miami to Austin, returning Mon, Sep 1, priced at $126 found 4 days ago
Southwest Airlines
Sun, Oct 5 - Fri, Oct 10
MIA
Miami
AUS
Austin
$129 Roundtrip, just found
$129
Roundtrip
just found
Select Southwest Airlines flight, departing Sun, Oct 5 from Miami to Austin, returning Fri, Oct 10, priced at $129 just found
American Airlines
Sun, Aug 24 - Sun, Aug 31
MIA
Miami
AUS
Austin
$134 Roundtrip, found 18 hours ago
$134
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Sun, Aug 24 from Miami to Austin, returning Sun, Aug 31, priced at $134 found 18 hours ago
Spirit Airlines
Mon, Aug 11 - Thu, Aug 21
MIA
Miami
AUS
Austin
$147 Roundtrip, found 13 hours ago
$147
Roundtrip
found 13 hours ago
Select Spirit Airlines flight, departing Mon, Aug 11 from Miami to Austin, returning Thu, Aug 21, priced at $147 found 13 hours ago
Delta
Thu, Oct 23 - Tue, Oct 28
MIA
Miami
AUS
Austin
$217 Roundtrip, just found
$217
Roundtrip
just found
Select Delta flight, departing Thu, Oct 23 from Miami to Austin, returning Tue, Oct 28, priced at $217 just found

Find the cheapest month to fly from Miami (MIA) to Austin (AUS)

September is typically the cheapest month to fly

From $103 - $208 per traveler.

Graph displaying average flight prices per month

Alternative airports near Austin

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Austin-Bergstrom Intl. AUS. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $234
AUS
Austin-Bergstrom Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $234
Flights from Miami (MIA) to Austin (AUS)
Origin airport
Miami Intl.
Destination airport
Austin-Bergstrom Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$106
Distance
1102 mi

Miami to Austin Flights

The cheapest times to fly from Miami to Austin

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Miami to Austin are during the month of August. You can find some of the cheapest flights from Miami to Austin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Miami to Austin

Sunday is one of the best days to book for cheap flights from Miami to Austin: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Miami to Austin

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Miami to Austin in 2025. You can also book with separate airlines for your outbound and return journeys, from $51 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Miami to Austin flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Miami to Austin airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Miami Intl. Airport (MIA) to Austin-Bergstrom Intl. Airport (AUS) cost?
Cheap return fares from Miami Intl. Airport (MIA) to Austin-Bergstrom Intl. Airport (AUS) start at $79. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving MIA on August 17 2025 and touching down at AUS. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from MIA to AUS?
The cheapest flights from MIA to AUS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Miami Intl. Airport (MIA) to Austin-Bergstrom Intl. Airport (AUS)?
Fly directly from Miami Intl. Airport (MIA) to Austin-Bergstrom Intl. Airport (AUS) on an American Airlines flight.
What is the cheapest airline that flies from MIA to AUS?
Jet off from MIA to AUS with Frontier Airlines. This airline currently offers the cheapest one-way ticket on this route, starting from $46. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from MIA on October 10 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Miami Intl. Airport (MIA) to Austin-Bergstrom Intl. Airport (AUS)?
With an average of 5 nonstop flights departing from Miami Intl. Airport (MIA) to Austin-Bergstrom Intl. Airport (AUS) each day, you'll be off on your next adventure in no time.
What are the most popular departure times for flights from Miami Intl. Airport (MIA) to Austin-Bergstrom Intl. Airport (AUS)?
The 8 AM departures from MIA to AUS see the highest demand. These flights can come with a higher price due to their popularity. If you're hoping to save money, book during off-peak hours.
What day of the week has the most flights from MIA to AUS?
Friday has the most flights from Miami Intl. Airport (MIA) to Austin-Bergstrom Intl. Airport (AUS). Consider traveling on this day and you'll have the best chance of finding a departure that fits your schedule.
What is the earliest flight from Miami Intl. Airport (MIA) to Austin-Bergstrom Intl. Airport (AUS)?
The earliest flight departing from Miami Intl. Airport (MIA) is at around 8:20AM UTC-5. Board this plane and you'll arrive at Austin-Bergstrom Intl. Airport (AUS) at approximately 10:47AM UTC-6. The total time in the air is 3h 27m.
How long does it take to fly from Miami Intl. Airport (MIA) to Austin-Bergstrom Intl. Airport (AUS)?
The average flight time from MIA to AUS is 3 hours and 27 minutes, covering a distance of 1,100 mi.
What is the best time to fly from Miami Intl. Airport (MIA) to Austin-Bergstrom Intl. Airport (AUS)?
Book a flight from Miami Intl. Airport (MIA) to Austin-Bergstrom Intl. Airport (AUS) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Austin from Miami Intl. Airport (MIA)?
Check out your flight options from Miami Intl. Airport (MIA) to Austin-Bergstrom Intl. Airport (AUS). This is the only Austin airport you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Miami Intl. Airport (MIA) to Austin-Bergstrom Intl. Airport (AUS) last-minute?
Waiting until just before your trip to book a ticket from MIA to AUS often results in higher prices. Although you may find some last-minute offers, they're not always guaranteed. Be flexible with your travel plans to boost your chances of landing a bargain.
Is it cheaper to book a MIA to AUS flight and hotel package?
Securing a MIA to AUS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our extensive range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Miami Intl. Airport (MIA) to Austin-Bergstrom Intl. Airport (AUS)?
In most instances, you're able to reschedule or cancel your MIA to AUS flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you need more information, head to our Customer Service portal.

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