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$176+ Cheap flights from Austin to Brownsville (AUS - BRO)

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — BRO
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Cheap flight deals from Austin to Brownsville

Cheapest flights from Austin to Brownsville
Explore the most affordable flight options available from Austin to Brownsville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2026.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/122:24 pm
AUS
-
BRO
1 stop3h 49m
United Airlines
Sat 9/194:38 pm
BRO
-
AUS
1 stop4h 29m
United Airlines
Deal found 7/31$289
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.
Thu 8/205:00 am
AUS
-
BRO
1 stop5h 13m
American Airlines
Mon 8/246:37 pm
BRO
-
AUS
1 stop3h 58m
American Airlines
Deal found 7/30$290
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:00 am
AUS
-
BRO
1 stop5h 07m
American Airlines
Sun 8/236:37 pm
BRO
-
AUS
1 stop5h 21m
American Airlines
Deal found 7/31$309
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:00 am
AUS
-
BRO
1 stop5h 09m
American Airlines
Mon 9/215:49 am
BRO
-
AUS
1 stop3h 57m
American Airlines
Deal found 7/31$311
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/1412:12 pm
AUS
-
BRO
1 stop6h 01m
United Airlines
Sun 8/167:15 am
BRO
-
AUS
1 stop3h 51m
United Airlines
Deal found 7/30$319
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 8/122:24 pm
AUS
-
BRO
1 stop3h 49m
United Airlines
Sun 8/167:15 am
BRO
-
AUS
1 stop3h 51m
United Airlines
Deal found 7/29$339
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/55:30 am
AUS
-
BRO
1 stop5h 53m
United Airlines
Wed 9/94:38 pm
BRO
-
AUS
1 stop3h 19m
United Airlines
Deal found 7/30$359
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 8/34:10 pm
AUS
-
BRO
1 stop5h 42m
United Airlines
Mon 8/109:20 am
BRO
-
AUS
1 stop3h 52m
United Airlines
Deal found 7/29$369
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:44 pm
AUS
-
BRO
1 stop4h 15m
United Airlines
Thu 8/2012:05 pm
BRO
-
AUS
1 stop3h 21m
United Airlines
Deal found 7/30$374
This American Airlines deal was found by Cheapflights users on 7/26. 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 9/55:41 pm
AUS
-
BRO
1 stop5h 42m
American Airlines
Mon 9/75:43 am
BRO
-
AUS
1 stop4h 00m
American Airlines
Deal found 7/26$394

Find flight deals from Austin to Brownsville

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Brownsville (BRO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$289
(United Airlines)

One-way from

$176
(Kiwi.com)

Popular in

March

Cheapest in

February

Average price

$308
Provider with most accurate pricing for Austin Bergstrom-Brownsville South Padre Is. Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Austin Bergstrom-Brownsville South Padre Is. Intl flights.
Search Deals
From Austin Bergstrom to Brownsville South Padre Is. Intl
Search Deals
One-way flight from Austin Bergstrom to Brownsville South Padre Is. Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($55 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($23 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Brownsville 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 1, 2026.
Use the filters below to find and compare flights from Austin to Brownsville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinBrownsville

AUS - BRO

AUSBRO

Austin Bergstrom

Fri 1/15

12:20 pm-5:53 pm

1 stop5h 33m

Brownsville South Padre Is. Intl

Sun 1/17

7:10 am-10:53 am

1 stop3h 43m

$289

AustinBrownsville

AUS - BRO

AUSBRO

Austin Bergstrom

Fri 9/18

5:35 pm-11:32 pm

1 stop5h 57m

Brownsville South Padre Is. Intl

Mon 9/21

5:49 am-10:44 am

1 stop4h 55m

$289

AustinBrownsville

AUS - BRO

AUSBRO

Austin Bergstrom

Sat 9/12

2:24 pm-6:13 pm

1 stop3h 49m

Brownsville South Padre Is. Intl

Sat 9/19

4:38 pm-9:07 pm

1 stop4h 29m

$289

AustinBrownsville

AUS - BRO

AUSBRO

Austin Bergstrom

Thu 9/24

7:50 pm-11:32 pm

1 stop3h 42m

Brownsville South Padre Is. Intl

Mon 9/28

5:49 am-10:44 am

1 stop4h 55m

$289

AustinBrownsville

AUS - BRO

AUSBRO

Austin Bergstrom

Mon 1/18

5:15 am-11:22 am

1 stop6h 07m

Brownsville South Padre Is. Intl

Mon 2/1

9:30 am-1:09 pm

1 stop3h 39m

$289

AustinBrownsville

AUS - BRO

AUSBRO

Austin Bergstrom

Thu 8/27

12:42 pm-6:07 pm

1 stop5h 25m

Brownsville South Padre Is. Intl

Thu 9/3

5:43 am-10:38 am

1 stop4h 55m

$289

AustinBrownsville

AUS - BRO

AUSBRO

Austin Bergstrom

Fri 8/28

12:12 pm-6:13 pm

1 stop6h 01m

Brownsville South Padre Is. Intl

Fri 9/4

4:38 pm-7:57 pm

1 stop3h 19m

$289

AustinBrownsville

AUS - BRO

AUSBRO

Austin Bergstrom

Fri 8/21

9:00 am-2:07 pm

1 stop5h 07m

Brownsville South Padre Is. Intl

Sun 8/23

6:37 pm-11:58 pm

1 stop5h 21m

$309

AustinBrownsville

AUS - BRO

AUSBRO

Austin Bergstrom

Sat 8/15

5:30 am-11:23 am

1 stop5h 53m

Brownsville South Padre Is. Intl

Sun 8/16

7:15 am-11:06 am

1 stop3h 51m

$319

AustinBrownsville

AUS - BRO

AUSBRO

Austin Bergstrom

Fri 8/14

12:12 pm-6:13 pm

1 stop6h 01m

Brownsville South Padre Is. Intl

Sun 8/16

7:15 am-11:06 am

1 stop3h 51m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

Compare providers for flights from Austin to Brownsville

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Brownsville in August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Austin-Brownsville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Brownsville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Austin-Brownsville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Brownsville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Brownsville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Austin to Brownsville

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

How much does it cost to fly round-trip from Austin to Brownsville?

Airfare is typical for this route at the moment.

Austin to Brownsville flights typically cost between $288 and $620 in September.
The cheapest round-trip price found within the last 5 days was $289 on United Airlines (Sep 12-Sep 19).

Reviews of airlines servicing Brownsville

Get insights into the airlines that provide service to Brownsville. 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 Brownsville. Reviews last updated August 1, 2026.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Austin to Brownsville to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,062 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
10,062 reviews
United Airlines
7.4
Good
10,062 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.1
Good
11,845 reviews
United Airlines
7.4
Good
10,062 reviews

Crew

8.1

Overall

7.4

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Food

6.7

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

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

  • How long is the flight from Austin to Brownsville?

    There are many flights that can get you from Austin to Brownsville in 5h 33m. Fly via United Airlines or American Airlines to get the fastest option. Austin and Brownsville are separated by a distance of 296 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 flying from Austin to Brownsville round-trip?

    Currently priced at $258, United Airlines will fly you from Austin to Brownsville and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $268. These flights start at 20% lower than the current average price 3 months from now.

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

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

  • How can I find direct flights from Austin to Brownsville?

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

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

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Austin to Brownsville

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Top 2 airlines flying from Austin to Brownsville

Discover the top 2 airlines that operate flights from Austin to Brownsville. 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 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$258Average$288FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$328FlexibilityNo cancel feeOn-time71%

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