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$120+ 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 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
BRO — SAT
Apr 5 — Apr 121
Sun 4/5
Sun 4/12
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 March 6, 2026.

This American Airlines deal was found by Cheapflights users on 3/4. 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 4/187:41 pm
BRO
-
SAT
1 stop4h 15m
American Airlines
Sat 4/256:00 am
SAT
-
BRO
1 stop4h 12m
American Airlines
Deal found 3/4$237
This United Airlines deal was found by Cheapflights users on 3/4. 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 3/235:15 am
BRO
-
SAT
1 stop3h 23m
United Airlines
Sat 4/116:02 pm
SAT
-
BRO
1 stop3h 45m
United Airlines
Deal found 3/4$254
This American Airlines deal was found by Cheapflights users on 3/3. 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 3/278:05 pm
BRO
-
SAT
1 stop3h 54m
American Airlines
Mon 3/306:00 am
SAT
-
BRO
1 stop4h 17m
American Airlines
Deal found 3/3$257
This United Airlines deal was found by Cheapflights users on 3/5. 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 3/205:15 am
BRO
-
SAT
1 stop3h 23m
United Airlines
Tue 3/247:38 am
SAT
-
BRO
1 stop3h 56m
United Airlines
Deal found 3/5$269
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/312:00 pm
BRO
-
SAT
1 stop3h 46m
United Airlines
Sat 4/42:14 pm
SAT
-
BRO
1 stop4h 14m
United Airlines
Deal found 3/5$277
This United Airlines deal was found by Cheapflights users on 3/1. 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 3/285:15 am
BRO
-
SAT
1 stop3h 23m
United Airlines
Tue 3/312:14 pm
SAT
-
BRO
1 stop4h 14m
United Airlines
Deal found 3/1$288
This American Airlines deal was found by Cheapflights users on 3/5. 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 3/316:44 pm
BRO
-
SAT
1 stop4h 10m
American Airlines
Wed 4/15:00 am
SAT
-
BRO
1 stop5h 17m
American Airlines
Deal found 3/5$299
This American Airlines deal was found by Cheapflights users on 3/4. 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 4/18:05 pm
BRO
-
SAT
1 stop3h 54m
American Airlines
Wed 4/85:00 am
SAT
-
BRO
1 stop5h 12m
American Airlines
Deal found 3/4$303
This American Airlines deal was found by Cheapflights users on 3/4. 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.
Sun 4/197:41 pm
BRO
-
SAT
1 stop4h 15m
American Airlines
Sun 4/265:00 am
SAT
-
BRO
1 stop5h 12m
American Airlines
Deal found 3/4$304
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/28:05 pm
BRO
-
SAT
1 stop3h 54m
American Airlines
Tue 4/79:36 am
SAT
-
BRO
1 stop4h 44m
American Airlines
Deal found 3/5$308
This American Airlines deal was found by Cheapflights users on 3/1. 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 9/36:57 pm
BRO
-
SAT
1 stop4h 43m
American Airlines
Sun 9/65:00 am
SAT
-
BRO
1 stop5h 03m
American Airlines
Deal found 3/1$309
This American Airlines deal was found by Cheapflights users on 3/5. 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 4/28:05 pm
BRO
-
SAT
1 stop3h 54m
American Airlines
Mon 4/65:00 am
SAT
-
BRO
1 stop5h 17m
American Airlines
Deal found 3/5$317

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 March 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(American Airlines)

One-way from

$120
(United Airlines)

Popular in

February

Cheapest in

October

Average price

$278
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. 8% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 6, 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
Quickest round-trip

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Sat 3/28

5:15 am-8:38 am

1 stop3h 23m

San Antonio

Tue 3/31

2:14 pm-6:28 pm

1 stop4h 14m

$288

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Wed 4/1

9:15 am-1:08 pm

1 stop3h 53m

San Antonio

Wed 4/1

6:02 pm-9:47 pm

1 stop3h 45m

$299

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Sat 4/11

12:00 pm-5:43 pm

1 stop5h 43m

San Antonio

Tue 4/14

2:14 pm-6:28 pm

1 stop4h 14m

$299

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Thu 3/19

5:15 am-8:38 am

1 stop3h 23m

San Antonio

Mon 3/23

2:20 pm-6:50 pm

1 stop4h 30m

$299

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Fri 3/20

5:15 am-8:38 am

1 stop3h 23m

San Antonio

Mon 3/23

2:20 pm-6:50 pm

1 stop4h 30m

$299

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Wed 4/1

9:15 am-1:08 pm

1 stop3h 53m

San Antonio

Fri 4/3

2:14 pm-6:28 pm

1 stop4h 14m

$328

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Tue 3/31

7:15 am-1:08 pm

1 stop5h 53m

San Antonio

Fri 4/3

2:14 pm-6:28 pm

1 stop4h 14m

$357

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Mon 3/16

5:15 am-8:38 am

1 stop3h 23m

San Antonio

Fri 3/20

11:44 am-4:22 pm

1 stop4h 38m

$359

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Mon 3/16

5:15 am-8:38 am

1 stop3h 23m

San Antonio

Thu 3/19

9:52 am-4:22 pm

1 stop6h 30m

$367

BrownsvilleSan Antonio

BRO - SAT

BROSAT

Brownsville South Padre Is. Intl

Sun 3/29

9:25 am-3:46 pm

1 stop6h 21m

San Antonio

Mon 3/30

6:02 pm-9:47 pm

1 stop3h 45m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

Showing 1-10 of 17 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 March.
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

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.

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 March 6, 2026.
Get a feel of what it's like to fly with United 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
9,403 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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
9,403 reviews
United Airlines
7.4
Good
9,403 reviews

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

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 $288, United Airlines can have you in San Antonio from Brownsville in 3h 23m. The distance between Brownsville and San Antonio is about 258 mi.

  • What is the cheapest airline to fly from Brownsville to San Antonio round-trip?

    United Airlines, at $218, was found to be the cheapest airline from Brownsville to San Antonio.. United Airlines is currently priced 21% 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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Alternative routes for Brownsville to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Brownsville to San Antonio

Discover the top airline 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 March 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$218Average$273FlexibilityNo cancel feeOn-time69%

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