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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 12/26. Fares are subject to change and may not be available on all flights or dates of travel.
BRO — SAT
Jan 7 — Jan 141
Wed 1/7
Wed 1/14
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 December 8, 2025.

This United Airlines deal was found by Cheapflights users on 12/6. 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 12/225:10 amBRO - SAT
1 stop3h 40mUnited Airlines
Fri 12/267:30 pmSAT - BRO
1 stop4h 07mUnited Airlines
Deal found 12/6$249
This United Airlines deal was found by Cheapflights users on 12/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:30 amBRO - SAT
1 stop4h 21mUnited Airlines
Sat 1/35:59 pmSAT - BRO
1 stop5h 38mUnited Airlines
Deal found 12/7$254
This United Airlines deal was found by Cheapflights users on 12/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:10 amBRO - SAT
1 stop3h 40mUnited Airlines
Mon 12/297:30 pmSAT - BRO
1 stop4h 07mUnited Airlines
Deal found 12/7$261
This American Airlines deal was found by Cheapflights users on 12/6. 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 12/115:27 amBRO - SAT
1 stop6h 36mAmerican Airlines
Thu 12/186:00 pmSAT - BRO
1 stop4h 46mAmerican Airlines
Deal found 12/6$279
This American Airlines deal was found by Cheapflights users on 12/8. 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.
Thu 12/115:27 amBRO - SAT
1 stop5h 28mAmerican Airlines
Thu 12/117:31 pmSAT - BRO
1 stop3h 53mAmerican Airlines
Deal found 12/8$307
This United Airlines deal was found by Cheapflights users on 12/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/235:10 amBRO - SAT
1 stop3h 40mUnited Airlines
Sat 12/277:04 pmSAT - BRO
1 stop4h 33mUnited Airlines
Deal found 12/7$326
This American Airlines deal was found by Cheapflights users on 12/6. 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 12/102:48 pmBRO - SAT
1 stop5h 19mAmerican Airlines
Fri 12/125:00 amSAT - BRO
1 stop5h 09mAmerican Airlines
Deal found 12/6$333
This United Airlines deal was found by Cheapflights users on 12/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1612:15 pmBRO - SAT
1 stop3h 15mUnited Airlines
Wed 12/1711:47 amSAT - BRO
1 stop4h 18mUnited Airlines
Deal found 12/8$367
This United Airlines deal was found by Cheapflights users on 12/6. 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 12/1012:15 pmBRO - SAT
2 stops8h 38mUnited Airlines
Fri 12/125:59 pmSAT - BRO
1 stop5h 37mUnited Airlines
Deal found 12/6$926

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 December 8, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$219
(United Airlines)

One-way from

$140
(United Airlines)

Popular in

July

Cheapest in

January

Average price

$246
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.
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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. 4% potential increase in price ($14 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 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 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 December 8, 2025.
Use the filters below to find and compare flights from Brownsville to San Antonio that are best for you.

Fly from

Brownsville

Fly to

San Antonio

Route

Depart

Return

Price

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Wed 1/7

7:15 am-1:19 pm

1 stop6h 04m

San Antonio

Wed 1/7

5:59 pm-9:31 pm

1 stop3h 32m

$219

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Thu 1/8

6:49 pm-10:58 pm

1 stop4h 09m

San Antonio

Wed 1/14

7:00 pm-11:33 pm

1 stop4h 33m

$219

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Wed 1/21

3:18 pm-7:23 pm

1 stop4h 05m

San Antonio

Wed 1/28

6:14 am-10:20 am

1 stop4h 06m

$219

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Mon 12/22

5:10 am-8:50 am

1 stop3h 40m

San Antonio

Fri 12/26

7:30 pm-11:37 pm

1 stop4h 07m

$249

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Mon 12/22

5:10 am-8:50 am

1 stop3h 40m

San Antonio

Mon 12/29

7:30 pm-11:37 pm

1 stop4h 07m

$261

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Wed 5/20

7:10 am-1:08 pm

1 stop5h 58m

San Antonio

Thu 5/21

7:00 pm-11:03 pm

1 stop4h 03m

$279

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Sun 3/22

5:15 am-8:38 am

1 stop3h 23m

San Antonio

Wed 3/25

2:20 pm-6:50 pm

1 stop4h 30m

$279

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Mon 5/18

9:30 am-1:08 pm

1 stop3h 38m

San Antonio

Wed 5/20

6:02 pm-9:36 pm

1 stop3h 34m

$279

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Tue 5/19

5:25 pm-9:02 pm

1 stop3h 37m

San Antonio

Thu 5/21

7:00 pm-11:03 pm

1 stop4h 03m

$279

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Mon 5/18

9:30 am-3:36 pm

1 stop6h 06m

San Antonio

Tue 5/19

4:17 pm-9:36 pm

1 stop5h 19m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/5

Showing 1-10 of 15 results
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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Brownsville-San Antonio flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

What is the cheapest month to book a flight from Brownsville to San Antonio?

Currently, September is the cheapest month in which you can book a flight from Brownsville to San Antonio (average of $88). Flying from Brownsville to San Antonio in July is currently the most expensive (average of $182). 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 BRO to SAT?

Find hourly flight availability from Brownsville to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 8, 2025.

One of the essential ways to save on airfare from Brownsville to San Antonio is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 66% on airfare.

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 December 8, 2025.
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
9,076 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

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
9,076 reviews
United Airlines
7.4
Good
9,076 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
American Airlines
7.2
Good
11,042 reviews
United Airlines
7.4
Good
9,076 reviews

Boarding

7.7

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Overall

7.4

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 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 $219, United Airlines can have you in San Antonio from Brownsville in 4h 09m. The distance between Brownsville and San Antonio is about 258 mi. This flight may include one or multiple stops.

  • 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 18% 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.

  • What is the cheapest month to book a flight from Brownsville to San Antonio?

    Currently, September is the cheapest month in which you can book a flight from Brownsville to San Antonio (average of $88). Flying from Brownsville to San Antonio in July is currently the most expensive (average of $182). 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

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 December 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$218Average$268FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$218Average$268FlexibilityNo cancel feeOn-time69%

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