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Florida Keys

$54+ Cheap flights from Austin (AUS) to Florida Keys

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — EYW
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Austin to Florida Keys

Keep the following information in mind while searching for Austin to Florida Keys flight deals. Data was last updated September 16, 2025.

Round-trip from

$92
(Cheapflightsfares)

One-way from

$54
(Frontier)

Popular in

March

Cheapest in

August

Average price

$248
From Austin Bergstrom to Florida Keys
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One-way flight from Austin Bergstrom to Florida Keys
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Highest demand for flights based on searches. 15% potential increase in price ($62 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Austin to Florida Keys

Cheapest flights from Austin to Florida Keys
Explore the most affordable flight options available from Austin to Florida Keys. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:03 pmAUS - MIA
Nonstop2h 57mFrontier
Thu 9/253:59 pmMIA - AUS
Nonstop3h 04mFrontier
Deal found 9/14$92
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/237:43 pmAUS - MIA
Nonstop2h 59mFrontier
Thu 10/307:40 amMIA - AUS
Nonstop3h 09mFrontier
Deal found 9/14$93
This Frontier deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:48 amAUS - MIA
Nonstop2h 43mFrontier
Sun 12/77:35 amMIA - AUS
Nonstop3h 18mFrontier
Deal found 9/14$94
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:17 pmAUS - MIA
Nonstop2h 57mFrontier
Thu 10/94:49 pmMIA - AUS
Nonstop3h 09mFrontier
Deal found 9/15$101
This Frontier deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/267:43 pmAUS - MIA
Nonstop2h 59mFrontier
Sun 11/27:30 amMIA - AUS
Nonstop3h 09mFrontier
Deal found 9/15$102
This Mytrip deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:44 amAUS - MIA
Nonstop2h 40mFrontier
Thu 11/67:30 amMIA - AUS
Nonstop3h 09mFrontier
Deal found 9/15$103
This Cheapflightsfares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/610:34 amAUS - MIA
Nonstop2h 40mFrontier
Sun 11/97:30 amMIA - AUS
Nonstop3h 09mFrontier
Deal found 9/16$118
This Cheapflightsfares deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:03 pmAUS - MIA
Nonstop2h 57mFrontier
Thu 10/94:49 pmMIA - AUS
Nonstop3h 09mFrontier
Deal found 9/15$120
This Priceline deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:02 pmAUS - MIA
1 stop5h 32mFrontier
Sun 11/27:30 amMIA - AUS
Nonstop3h 09mFrontier
Deal found 9/15$122
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/112:10 pmAUS - EYW
1 stop8h 46mAmerican Airlines
Tue 11/42:39 pmEYW - AUS
1 stop7h 06mAmerican Airlines
Deal found 9/15$191
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1710:54 amAUS - EYW
1 stop7h 28mAmerican Airlines
Tue 10/285:47 pmEYW - AUS
1 stop7h 12mAmerican Airlines
Deal found 9/14$225
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1810:59 amAUS - EYW
1 stop5h 24mDelta
Tue 12/26:05 pmEYW - AUS
1 stop7h 30mDelta
Deal found 9/15$228

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Florida Keys that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Austin to Florida Keys that are best for you.

Fly from

Austin

Fly to

Florida Keys

Route

Depart

Return

Price

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Wed 10/15

5:50 am-3:55 pm

1 stop9h 05m

Miami

Wed 10/22

1:15 pm-3:25 pm

Nonstop3h 10m

$167

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Tue 10/14

1:10 pm-4:50 pm

Nonstop2h 40m

Miami

Tue 10/21

3:15 pm-10:10 pm

2 stops7h 55m

$172

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Fri 12/5

9:00 am-12:43 pm

Nonstop2h 43m

Miami

Sat 12/6

7:15 pm-9:41 pm

Nonstop3h 26m

$173

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Fri 12/5

9:00 am-12:43 pm

Nonstop2h 43m

Miami

Tue 12/9

7:15 pm-9:41 pm

Nonstop3h 26m

$173

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Mon 10/6

6:27 pm-12:29 am

1 stop5h 02m

Miami

Wed 10/8

8:11 am-2:15 pm

1 stop7h 04m

$177

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Sat 10/18

5:00 pm-12:29 am

1 stop6h 29m

Miami

Tue 10/21

7:10 am-12:35 pm

1 stop6h 25m

$177

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Tue 10/28

5:40 am-1:11 pm

1 stop6h 31m

Miami

Tue 11/4

6:15 pm-12:22 am

1 stop7h 07m

$177

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Sat 12/6

5:00 pm-12:46 am

1 stop6h 46m

Miami

Wed 12/10

12:00 pm-6:32 pm

1 stop7h 32m

$179

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Mon 10/27

2:55 pm-10:50 pm

2 stops6h 55m

Miami

Sat 11/1

5:45 am-1:40 pm

2 stops8h 55m

$187

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Sat 11/1

12:10 pm-9:56 pm

1 stop8h 46m

Key West

Tue 11/4

2:39 pm-8:45 pm

1 stop7h 06m

$191

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 30 results
1
2
3

Best time to book a flight from Austin to Florida Keys

Have a flexible travel schedule? Discover the best time to fly to Florida Keys from Austin with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Austin to Florida Keys

What is the cheapest month to book a flight from Austin to Florida Keys?

Currently, August is the cheapest month in which you can book a flight from Austin to Florida Keys (average of $328). Flying from Austin to Florida Keys in March is currently the most expensive (average of $491). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Florida Keys

Get insights into the airlines that provide service to Florida Keys. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Florida Keys. Reviews last updated September 16, 2025.
See what other customers who have flown with Southwest, Delta, and American Airlines from Austin to Florida Keys have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.0
Very good
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,957 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Spirit Airlines
6.3
Okay
8,019 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Frontier
5.8
Fair
3,174 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from Austin to Florida Keys. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Austin to Florida Keys?

    Located just 7.5 mi from the city center, Austin Bergstrom (AUS) is the airport most travelers will use when flying to Florida Keys from Austin.

  • How long is the flight from Austin to Florida Keys?

    There are many flights that can get you from Austin to Florida Keys in 2h 43m. Fly via Southwest, Delta, or American Airlines to get the fastest option. The distance from Austin to Florida Keys is about 1101 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Austin to Florida Keys that include hotel bookings?

    Yes. In addition to deals on Austin to Florida Keys flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Austin to Florida Keys?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Austin to Florida Keys.

  • Can I find deals for business class flights from Austin to Florida Keys?

    Yes. Cheapflights offers flight deals from Austin to Florida Keys by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Austin to Florida Keys?

    Currently, August is the cheapest month in which you can book a flight from Austin to Florida Keys (average of $328). Flying from Austin to Florida Keys in March is currently the most expensive (average of $491). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 3 airlines flying from Austin to Florida Keys

Discover the top 3 airlines that operate flights from Austin to Florida Keys. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$361FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$218Average$407FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$585FlexibilityNo cancel feeOn-time69%

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