HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Siesta Key

$139+ Cheap flights from Austin (AUS) to Siesta Key, FL

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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — TPA
Mar 11 — Mar 181
Wed 3/11
Wed 3/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Austin to Siesta Key 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.
Cheapflights Tip: The best prices from Austin Bergstrom to Siesta Key are usually found in July or June, booked 72 days in advance, depart on a Wednesday or Friday and return on a Monday

Cheap flight deals from Austin to Siesta Key

Cheapest flights from Austin to Siesta Key
Explore the most affordable flight options available from Austin to Siesta Key. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 9, 2026.

This Delta deal was found by Cheapflights users on 2/8. 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 3/245:22 am
AUS
-
SRQ
1 stop5h 17m
Delta
Tue 3/3110:45 am
SRQ
-
AUS
1 stop6h 25m
Delta
Deal found 2/8$277
This American Airlines deal was found by Cheapflights users on 2/7. 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 3/243:29 pm
AUS
-
SRQ
2 stops7h 30m
American Airlines
Tue 3/314:53 pm
SRQ
-
AUS
1 stop6h 22m
American Airlines
Deal found 2/7$282
This American Airlines deal was found by Cheapflights users on 2/8. 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 4/19:15 am
AUS
-
SRQ
1 stop5h 48m
American Airlines
Wed 4/84:56 pm
SRQ
-
AUS
1 stop7h 51m
American Airlines
Deal found 2/8$284
This Delta deal was found by Cheapflights users on 2/8. 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 3/166:39 pm
AUS
-
SRQ
1 stop4h 57m
Delta
Wed 3/183:14 pm
SRQ
-
AUS
1 stop5h 52m
Delta
Deal found 2/8$309
This American Airlines deal was found by Cheapflights users on 2/8. 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 3/99:22 am
AUS
-
SRQ
1 stop8h 37m
American Airlines
Wed 3/116:00 am
SRQ
-
AUS
2 stops10h 34m
American Airlines
Deal found 2/8$314
This American Airlines deal was found by Cheapflights users on 2/8. 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 3/253:29 pm
AUS
-
SRQ
2 stops7h 30m
American Airlines
Sat 3/286:00 am
SRQ
-
AUS
1 stop5h 12m
American Airlines
Deal found 2/8$316
This American Airlines deal was found by Cheapflights users on 2/7. 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.
Thu 3/263:39 pm
AUS
-
SRQ
1 stop7h 20m
American Airlines
Tue 3/314:53 pm
SRQ
-
AUS
1 stop6h 22m
American Airlines
Deal found 2/7$328

Find flight deals from Austin to Siesta Key

Keep the following information in mind while searching for Austin to Siesta Key flight deals. Data was last updated February 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$277
(Delta)

One-way from

$139
(Delta)

Popular in

October

Cheapest in

July

Average price

$350
Provider with most accurate pricing for Austin Bergstrom-Sarasota Bradenton Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Sarasota Bradenton Intl flights.
Search Deals
From Austin Bergstrom to Siesta Key
Search Deals
One-way flight from Austin Bergstrom to Siesta Key
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Siesta Key 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 February 9, 2026.
Use the filters below to find and compare flights from Austin to Siesta Key that are best for you.

Fly from

Austin

Fly to

Siesta Key

Route

Depart

Return

Price

AustinSarasota

AUS - SRQ

AUSSRQ

Austin Bergstrom

Tue 3/24

5:22 am-11:39 am

1 stop5h 17m

Sarasota Bradenton Intl

Tue 3/31

10:45 am-4:10 pm

1 stop6h 25m

$277

AustinSarasota

AUS - SRQ

AUSSRQ

Austin Bergstrom

Wed 4/1

5:22 am-11:39 am

1 stop5h 17m

Sarasota Bradenton Intl

Wed 4/8

7:05 am-2:39 pm

1 stop8h 34m

$277

AustinSarasota

AUS - SRQ

AUSSRQ

Austin Bergstrom

Wed 4/29

6:30 am-2:19 pm

1 stop6h 49m

Sarasota Bradenton Intl

Sat 5/2

6:25 pm-12:17 am

1 stop6h 52m

$277

AustinSarasota

AUS - SRQ

AUSSRQ

Austin Bergstrom

Mon 3/16

6:39 pm-12:36 am

1 stop4h 57m

Sarasota Bradenton Intl

Tue 3/17

10:45 am-4:10 pm

1 stop6h 25m

$309

AustinSarasota

AUS - SRQ

AUSSRQ

Austin Bergstrom

Mon 3/16

6:39 pm-12:36 am

1 stop4h 57m

Sarasota Bradenton Intl

Wed 3/18

3:14 pm-8:06 pm

1 stop5h 52m

$309

AustinSarasota

AUS - SRQ

AUSSRQ

Austin Bergstrom

Tue 3/17

1:24 pm-6:58 pm

1 stop4h 34m

Sarasota Bradenton Intl

Mon 3/23

8:03 pm-12:20 am

1 stop5h 17m

$309

AustinSarasota

AUS - SRQ

AUSSRQ

Austin Bergstrom

Fri 3/27

6:39 pm-12:36 am

1 stop4h 57m

Sarasota Bradenton Intl

Tue 3/31

10:45 am-5:34 pm

1 stop7h 49m

$332

AustinSarasota

AUS - SRQ

AUSSRQ

Austin Bergstrom

Mon 3/2

5:07 pm-10:48 pm

1 stop4h 41m

Sarasota Bradenton Intl

Thu 3/5

7:06 am-2:23 pm

1 stop8h 17m

$341

AustinSarasota

AUS - SRQ

AUSSRQ

Austin Bergstrom

Mon 3/2

5:07 pm-11:58 pm

1 stop5h 51m

Sarasota Bradenton Intl

Sat 3/7

1:29 pm-7:31 pm

1 stop7h 02m

$341

AustinSarasota

AUS - SRQ

AUSSRQ

Austin Bergstrom

Mon 3/16

6:39 pm-12:36 am

1 stop4h 57m

Sarasota Bradenton Intl

Mon 3/23

8:03 pm-12:20 am

1 stop5h 17m

$341

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/7

Showing 1-10 of 20 results
1
2

Best time to book a flight from Austin to Siesta Key

Have a flexible travel schedule? Discover the best time to fly to Siesta Key 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 Siesta Key

How far ahead should I book a flight from Austin to Siesta Key?

Use this chart to determine the optimal time to book a round-trip flight from Austin to Siesta Key. Price data was last updated on February 6, 2026.

The price you pay for your flight from Austin to Siesta Key may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Austin to Siesta Key?

Currently, July is the cheapest month in which you can book a flight from Austin to Siesta Key (average of $63). Flying from Austin to Siesta Key in March is currently the most expensive (average of $192). 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.

What is the cheapest time of day to fly from AUS to S1E?

Find hourly flight availability from Austin to Siesta Key. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 9, 2026.

A simple way to save on the total cost of your ticket is to fly from Austin to Siesta Key in the evening. If you’re flexible enough to do this you can expect to save up to 30% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Austin to Siesta Key?

Use this chart to determine the cheapest time to fly round-trip from Austin to Siesta Key. Price data was last updated on February 7, 2026.

Travelers seeking maximum savings on their Austin to Siesta Key flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Siesta Key

Get insights into the airlines that provide service to Siesta Key. 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 Siesta Key. Reviews last updated February 9, 2026.
Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from Austin to Siesta Key by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,281 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

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
4,281 reviews
Southwest
8.0
Very good
4,281 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

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
8,174 reviews
Southwest
8.0
Very good
4,281 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

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
11,255 reviews
Southwest
8.0
Very good
4,281 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

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.
Allegiant Air
7.2
Good
711 reviews
Southwest
8.0
Very good
4,281 reviews

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Overall

8.0

Crew

8.6

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 Siesta Key. 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 Siesta Key?

    If you book a flight to Siesta Key from Austin, you will be flying from Austin Bergstrom, which is the city’s only airport. Austin Bergstrom (AUS) is located 7.5 mi from the center of Austin. There are 0 flights from Austin Bergstrom to Siesta Key per day from 7 different airlines.

  • How popular is this Austin to Siesta Key flight route?

    The Austin Bergstrom to Siesta Key flight path was viewed by 20 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Austin to Siesta Key?

    Departing from Austin to Siesta Key will take you 5h 17m. The distance from Austin to Siesta Key is about 934 mi.

  • What are the cheapest airlines to fly from Austin to Siesta Key one-way?

    The cheapest airline one-way is Allegiant Air, with whom users have recently found tickets for as low as $44. However, be on the lookout for offers from Southwest and American Airlines, as they are both options that can get you from Austin to Siesta Key for a low price.

  • What are the most reliable airlines from Austin to Siesta Key?

    No one likes to see their flight delayed. When booking a flight from Austin to Siesta Key consider choosing Air France (100%), Korean Air (100%) or Virgin Atlantic (100%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Austin to Siesta Key?

    Looking for the cheapest flight from Austin to Siesta Key? While on average our users pay $306, our data indicates the cheapest price to be $128. The most popular route (Austin Bergstrom - Sarasota Bradenton Intl), is priced around $277.

  • Can I find deals for flights from Austin to Siesta Key that include hotel bookings?

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

  • How can I find direct flights from Austin to Siesta Key?

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

  • Can I find deals for business class flights from Austin to Siesta Key?

    Yes. Cheapflights offers flight deals from Austin to Siesta Key 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 Siesta Key?

    Currently, July is the cheapest month in which you can book a flight from Austin to Siesta Key (average of $63). Flying from Austin to Siesta Key in March is currently the most expensive (average of $192). 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 Siesta Key

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

Top 7 airlines flying from Austin to Siesta Key

Discover the top 7 airlines that operate flights from Austin to Siesta Key. 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 February 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$59Average$125FlexibilityNo cancel feeOn-time88%
Spirit AirlinesCheapest$94Average$164FlexibilityNo cancel feeOn-time65%
DeltaCheapest$128Average$337FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$142Average$411FlexibilityNo cancel feeOn-time63%
FrontierCheapest$147Average$249FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$176Average$346FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$246Average$413FlexibilityNo 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.