HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Florida Keys

$64+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — EYW
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Austin to Florida Keys with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 2, 2025.

Round-trip from

$115
(Kiwi.com)

One-way from

$64
(Frontier)

Popular in

March

Cheapest in

September

Average price

$249
From Austin Bergstrom to Florida Keys
Search Deals
One-way flight from Austin Bergstrom to Florida Keys
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

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 August 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com 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 8/1$115
This American Airlines deal was found by Cheapflights users on 8/2. 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 9/56:20 pmAUS - MIA
Nonstop2h 49mAmerican Airlines
Sat 9/138:29 amMIA - AUS
Nonstop3h 02mAmerican Airlines
Deal found 8/2$145
This Southwest deal was found by Cheapflights users on 7/31. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/211:35 pmAUS - MIA
Nonstop2h 50mSouthwest
Mon 8/258:00 amMIA - AUS
Nonstop2h 55mSouthwest
Deal found 7/31$159
This FlightHub deal was found by Cheapflights users on 7/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:51 pmAUS - MIA
Nonstop2h 40mMultiple Airlines
Sun 11/1611:07 amMIA - AUS
1 stop9h 36mMultiple Airlines
Deal found 7/31$172
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 9/39:55 amAUS - EYW
1 stop6h 51mAmerican Airlines
Tue 9/912:00 pmEYW - AUS
1 stop8h 43mAmerican Airlines
Deal found 7/30$191
This Delta deal was found by Cheapflights users on 7/31. 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.
Wed 11/261:40 pmAUS - EYW
1 stop5h 04mDelta
Wed 12/36:00 pmEYW - AUS
1 stop7h 27mDelta
Deal found 7/31$197
This Mytrip deal was found by Cheapflights users on 7/31. 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 8/217:15 amAUS - EYW
3 stops32h 36mMultiple Airlines
Sun 8/244:36 pmEYW - AUS
3 stops33h 23mMultiple Airlines
Deal found 7/31$411

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 August 2, 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

Sun 9/21

7:03 pm-11:00 pm

Nonstop2h 57m

Miami

Thu 9/25

3:59 pm-6:03 pm

Nonstop3h 04m

$115

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Fri 9/5

6:20 pm-10:09 pm

Nonstop2h 49m

Miami

Sat 9/13

8:29 am-10:31 am

Nonstop3h 02m

$145

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Thu 8/21

1:35 pm-5:25 pm

Nonstop2h 50m

Miami

Mon 8/25

8:00 am-9:55 am

Nonstop2h 55m

$159

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Wed 9/3

9:55 am-5:46 pm

1 stop6h 51m

Key West

Tue 9/9

12:00 pm-7:43 pm

1 stop8h 43m

$191

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Fri 8/22

1:28 pm-8:12 pm

1 stop5h 44m

Key West

Mon 8/25

6:20 pm-12:18 am

1 stop6h 58m

$259

AustinKey West

AUS - EYW

AUSEYW

Austin Bergstrom

Thu 8/21

7:15 am-4:51 pm

3 stops32h 36m

Key West

Sun 8/24

4:36 pm-12:59 am

3 stops33h 23m

$411

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Thu 8/21

5:55 pm-9:50 pm

Nonstop2h 55m

$64

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Fri 9/26

1:35 pm-5:25 pm

Nonstop2h 50m

$73

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Fri 9/5

6:20 pm-10:09 pm

Nonstop2h 49m

$74

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Wed 9/3

7:15 am-11:05 pm

2 stops14h 50m

$104

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

Showing 1-10 of 16 results
1
2

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 $492). 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 August 2, 2025.
See what other customers who have flown with Southwest, Delta, and United 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
4,246 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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
7,985 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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.
United Airlines
7.4
Good
8,905 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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
4,246 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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
8,054 reviews
Southwest
8.0
Very good
4,246 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Food

7.0

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.

  • What are the cheapest airlines to fly from Austin to Florida Keys one-way?

    The cheapest airlines for a one-way flight from Austin to Florida Keys are Frontier ($64), Southwest ($73), and American Airlines ($74).

  • 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 $492). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Austin to Florida Keys

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Fort Lauderdale flights
Dallas/Fort Worth to Miami flights
Dallas/Fort Worth to Orlando flights
Hobby to Miami flights
Love Field to Miami flights
Hobby to Orlando flights
Hobby to Fort Lauderdale flights
George Bush Intcntl to Miami flights
Austin to Orlando flights
George Bush Intcntl to Orlando flights
George Bush Intcntl to Fort Lauderdale flights
Love Field to Orlando flights
Austin to Fort Lauderdale flights
Dallas/Fort Worth to Tampa flights
Austin to Miami flights
Dallas/Fort Worth to West Palm Beach flights
Dallas/Fort Worth to Pensacola flights
Austin to Tampa flights
Hobby to Tampa flights
Love Field to Fort Lauderdale flights
San Antonio to Miami flights
Dallas/Fort Worth to Fort Myers flights
San Antonio to Orlando flights
Dallas/Fort Worth to Key West flights
Love Field to Tampa flights
San Antonio to Fort Lauderdale flights
George Bush Intcntl to Tampa flights
Hobby to Pensacola flights
Dallas/Fort Worth to Valparaiso flights
Hobby to Fort Myers flights
Hobby to West Palm Beach flights
George Bush Intcntl to Pensacola flights
Love Field to Pensacola flights
Dallas/Fort Worth to Sarasota flights
George Bush Intcntl to Fort Myers flights
Hobby to Jacksonville flights
Austin to Pensacola flights
Dallas/Fort Worth to Panama City flights
Dallas/Fort Worth to Jacksonville flights
Hobby to Panama City flights
George Bush Intcntl to West Palm Beach flights
George Bush Intcntl to Jacksonville flights
Love Field to West Palm Beach flights
Austin to West Palm Beach flights
Hobby to Key West flights
George Bush Intcntl to Panama City flights
Austin to Jacksonville flights
Love Field to Panama City flights
Love Field to Key West flights
McAllen to Orlando flights

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 August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$198Average$369FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$208Average$401FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$585FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.