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$140+ Cheap flights from Brownsville to San Antonio (BRO - SAT)

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
BRO — SAT
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
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Cheap flight deals from Brownsville to San Antonio

Cheapest flights from Brownsville to San Antonio
Explore the most affordable flight options available from Brownsville to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.

This United Airlines deal was found by Cheapflights users on 4/23. 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 5/89:25 am
BRO
-
SAT
1 stop3h 51m
United Airlines
Tue 5/127:35 am
SAT
-
BRO
1 stop3h 49m
United Airlines
Deal found 4/23$279
This United Airlines deal was found by Cheapflights users on 4/24. 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 5/239:20 am
BRO
-
SAT
1 stop3h 57m
United Airlines
Sat 5/235:57 pm
SAT
-
BRO
1 stop3h 55m
United Airlines
Deal found 4/24$304
This United Airlines deal was found by Cheapflights users on 4/28. 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 7/84:44 pm
BRO
-
SAT
1 stop4h 29m
United Airlines
Sun 7/125:57 pm
SAT
-
BRO
1 stop3h 55m
United Airlines
Deal found 4/28$306
This United Airlines deal was found by Cheapflights users on 4/23. 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 5/137:20 am
BRO
-
SAT
1 stop5h 56m
United Airlines
Sat 5/162:25 pm
SAT
-
BRO
1 stop4h 03m
United Airlines
Deal found 4/23$329
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/147:41 pm
BRO
-
SAT
1 stop4h 15m
American Airlines
Sun 5/176:00 am
SAT
-
BRO
1 stop4h 14m
American Airlines
Deal found 4/23$345
This United Airlines deal was found by Cheapflights users on 4/27. 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 5/65:17 pm
BRO
-
SAT
1 stop5h 42m
United Airlines
Sat 5/95:30 am
SAT
-
BRO
1 stop5h 54m
United Airlines
Deal found 4/27$347
This American Airlines deal was found by Cheapflights users on 4/23. 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 5/25:40 am
BRO
-
SAT
1 stop3h 56m
American Airlines
Sun 5/38:15 am
SAT
-
BRO
1 stop6h 05m
American Airlines
Deal found 4/23$348
This American Airlines deal was found by Cheapflights users on 4/23. 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 4/237:41 pm
BRO
-
SAT
1 stop4h 15m
American Airlines
Sat 4/256:00 am
SAT
-
BRO
1 stop4h 12m
American Airlines
Deal found 4/23$358
This American Airlines deal was found by Cheapflights users on 4/23. 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 4/245:40 am
BRO
-
SAT
1 stop3h 56m
American Airlines
Mon 4/273:11 pm
SAT
-
BRO
1 stop4h 00m
American Airlines
Deal found 4/23$369

Find flight deals from Brownsville to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Brownsville (BRO) to San Antonio (SAT). 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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$279
(United Airlines)

One-way from

$140
(United Airlines)

Popular in

March

Cheapest in

April

Average price

$235
Provider with most accurate pricing for Brownsville South Padre Is. Intl-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Brownsville South Padre Is. Intl-San Antonio flights.
Search Deals
From Brownsville South Padre Is. Intl to San Antonio
Search Deals
One-way flight from Brownsville South Padre Is. Intl to San Antonio
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($58 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 April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Brownsville to San Antonio 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 April 28, 2026.
Use the filters below to find and compare flights from Brownsville to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Fri 5/8

9:25 am-3:39 pm

1 stop6h 14m

San Antonio

Tue 5/12

4:10 pm-9:59 pm

1 stop5h 49m

$279

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Sun 5/10

7:20 am-10:47 am

1 stop3h 27m

San Antonio

Thu 5/14

11:45 am-4:24 pm

1 stop4h 39m

$279
Quickest round-trip

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Sat 5/23

9:20 am-1:17 pm

1 stop3h 57m

San Antonio

Sat 5/23

5:57 pm-9:52 pm

1 stop3h 55m

$304

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Fri 5/29

6:42 pm-11:06 pm

1 stop4h 24m

San Antonio

Sun 5/31

8:23 pm-12:23 am

1 stop4h 00m

$305

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Wed 7/8

4:44 pm-9:13 pm

1 stop4h 29m

San Antonio

Sun 7/12

5:57 pm-9:52 pm

1 stop3h 55m

$306

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Wed 5/13

7:20 am-1:16 pm

1 stop5h 56m

San Antonio

Sat 5/16

2:25 pm-6:28 pm

1 stop4h 03m

$329

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Thu 5/14

7:41 pm-11:56 pm

1 stop4h 15m

San Antonio

Sun 5/17

6:00 am-10:14 am

1 stop4h 14m

$345
Cheapest one-way
Quickest one-way

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Sun 5/10

7:20 am-10:47 am

1 stop3h 27m

$140

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Mon 5/11

7:41 pm-11:56 pm

1 stop4h 15m

$175

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Wed 6/24

12:10 pm-3:39 pm

1 stop3h 29m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Compare providers for flights from Brownsville to San Antonio

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 Brownsville to San Antonio in April.
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 Brownsville-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Brownsville-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Brownsville-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Brownsville-San Antonio 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 Brownsville-San Antonio 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 Brownsville to San Antonio

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

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

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. 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 San Antonio. Reviews last updated April 28, 2026.
Get a feel of what it's like to fly with United Airlines and American Airlines from Brownsville to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,672 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,672 reviews
United Airlines
7.4
Good
9,672 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
American Airlines
7.1
Good
11,677 reviews
United Airlines
7.4
Good
9,672 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

Related info for your journey

Find useful and relevant information for your journey from Brownsville to San Antonio. 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 Brownsville to San Antonio?

    For as low as $279, United Airlines can have you in San Antonio from Brownsville in 3h 51m. The distance between Brownsville and San Antonio is about 258 mi.

  • What are the cheapest airlines flying from Brownsville to San Antonio round-trip?

    American Airlines, at $218, was found to be the cheapest airline from Brownsville to San Antonio. An alternate airline flying to your destination would be United Airlines. American Airlines is currently priced 25% below the average price you’ll pay for this route.

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

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

  • How can I find direct flights from Brownsville to San Antonio?

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

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

    Yes. Cheapflights offers flight deals from Brownsville to San Antonio 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

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Top 2 airlines flying from Brownsville to San Antonio

Discover the top 2 airlines that operate flights from Brownsville to San Antonio. 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 April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$218Average$274FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$218Average$268FlexibilityNo cancel feeOn-time69%

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