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Florida Keys

$46+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — EYW
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap 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 December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Wed 12/315:51 pmAUS - MIA
1 stop5h 56mMultiple Airlines
Tue 1/69:59 pmMIA - AUS
2 stops27h 59mMultiple Airlines
Deal found 12/17$170
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/295:16 amAUS - MIA
Nonstop2h 54mAmerican Airlines
Sat 1/108:30 amMIA - AUS
Nonstop3h 25mAmerican Airlines
Deal found 12/16$179
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Tue 12/305:16 amAUS - MIA
Nonstop2h 54mAmerican Airlines
Tue 1/2010:11 pmMIA - AUS
Nonstop3h 27mAmerican Airlines
Deal found 12/15$199
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/3010:50 amAUS - MIA
2 stops25h 16mMultiple Airlines
Tue 1/206:00 amMIA - AUS
1 stop18h 24mMultiple Airlines
Deal found 12/15$200
This American Airlines deal was found by Cheapflights users on 12/15. 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.
Mon 12/226:00 pmAUS - MIA
1 stop5h 37mAmerican Airlines
Tue 1/272:52 pmMIA - AUS
Nonstop3h 22mAmerican Airlines
Deal found 12/15$209
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:27 pmAUS - MIA
1 stop5h 21mDelta
Sat 1/107:15 pmMIA - AUS
Nonstop3h 20mDelta
Deal found 12/16$212
This Travelocity deal was found by Cheapflights users on 12/15. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:22 pmAUS - MIA
1 stop9h 13mMultiple Airlines
Tue 1/277:00 amMIA - AUS
2 stops15h 35mMultiple Airlines
Deal found 12/15$226
This Delta deal was found by Cheapflights users on 12/15. 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 12/236:27 pmAUS - MIA
1 stop5h 21mDelta
Thu 12/257:21 pmMIA - AUS
Nonstop3h 25mDelta
Deal found 12/15$232
This Priceline deal was found by Cheapflights users on 12/17. 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.
Wed 12/315:51 pmAUS - MIA
1 stop5h 56mFrontier
Tue 1/67:05 amMIA - AUS
1 stop9h 43mFrontier
Deal found 12/17$233
This United Airlines deal was found by Cheapflights users on 12/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:45 amAUS - EYW
1 stop7h 29mUnited Airlines
Tue 12/304:29 pmEYW - AUS
1 stop5h 26mUnited Airlines
Deal found 12/16$324
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:24 amAUS - EYW
1 stop10h 31mAllegiant Air
Sat 1/310:35 pmEYW - AUS
2 stops39h 21mAllegiant Air
Deal found 12/16$348
This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/248:24 amAUS - EYW
1 stop10h 31mMultiple Airlines
Thu 12/2510:59 amEYW - AUS
2 stops14h 59mMultiple Airlines
Deal found 12/16$355

Find 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 December 18, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$101
(Southwest)

One-way from

$46
(American Airlines)

Popular in

March

Cheapest in

September

Average price

$292
Provider with most accurate pricing for Austin Bergstrom-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Miami flights.
Search Deals
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. 20% potential increase in price ($76 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Sat 1/31

8:45 am-12:40 pm

Nonstop2h 55m

Miami

Tue 2/3

7:15 pm-9:35 pm

Nonstop3h 20m

$137

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Mon 1/26

8:45 am-12:40 pm

Nonstop2h 55m

Miami

Wed 2/4

7:15 pm-9:35 pm

Nonstop3h 20m

$137

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Sun 2/1

8:45 am-12:40 pm

Nonstop2h 55m

Miami

Fri 2/6

7:15 pm-9:35 pm

Nonstop3h 20m

$137

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Sat 1/31

8:45 am-12:40 pm

Nonstop2h 55m

Miami

Sat 2/7

7:15 pm-9:35 pm

Nonstop3h 20m

$137

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Sat 1/31

8:45 am-12:40 pm

Nonstop2h 55m

Miami

Mon 2/2

7:15 pm-9:35 pm

Nonstop3h 20m

$137

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Wed 1/28

8:45 am-12:40 pm

Nonstop2h 55m

Miami

Wed 2/4

7:15 pm-9:35 pm

Nonstop3h 20m

$137

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Sun 1/11

8:45 am-12:40 pm

Nonstop2h 55m

Miami

Mon 1/12

7:15 pm-9:35 pm

Nonstop3h 20m

$137

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Sun 2/1

8:45 am-12:40 pm

Nonstop2h 55m

Miami

Wed 2/4

7:15 pm-9:35 pm

Nonstop3h 20m

$137

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Fri 1/30

8:45 am-12:40 pm

Nonstop2h 55m

Miami

Tue 2/3

7:15 pm-9:35 pm

Nonstop3h 20m

$137

AustinMiami

AUS - MIA

AUSMIA

Austin Bergstrom

Thu 1/15

8:45 am-12:40 pm

Nonstop2h 55m

Miami

Wed 1/21

7:15 pm-9:35 pm

Nonstop3h 20m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 36 results
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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 $191). Flying from Austin to Florida Keys in March is currently the most expensive (average of $328). 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 December 18, 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
7.9
Good
4,250 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

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
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

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
7.9
Good
8,005 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

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
11,054 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

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
8,190 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

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
3,081 reviews
Southwest
7.9
Good
4,250 reviews

Overall

7.9

Crew

8.6

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Food

7.0

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 55m. Fly via Southwest, Delta, or Spirit 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.

  • 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 ($29), Spirit Airlines ($49), and Delta ($78).

  • 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 $191). Flying from Austin to Florida Keys in March is currently the most expensive (average of $328). 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$358FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$224Average$435FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$258Average$464FlexibilityNo cancel feeOn-time69%

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