San Antonio

$152+ Cheap flights from Birmingham, AL to San Antonio (BHM - 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 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — SAT
Apr 11 — Apr 181
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Birmingham to San Antonio 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.

Cheap flight deals from Birmingham to San Antonio

Cheapest flights from Birmingham to San Antonio
Explore the most affordable flight options available from Birmingham to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 12, 2026.

This United Airlines deal was found by Cheapflights users on 3/11. 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 4/811:00 am
BHM
-
SAT
1 stop6h 43m
United Airlines
Wed 4/1511:46 am
SAT
-
BHM
1 stop4h 28m
United Airlines
Deal found 3/11$303
This American Airlines deal was found by Cheapflights users on 3/10. 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 5/129:43 am
BHM
-
SAT
1 stop5h 55m
American Airlines
Sat 5/166:10 am
SAT
-
BHM
1 stop5h 59m
American Airlines
Deal found 3/10$310
This Southwest deal was found by Cheapflights users on 3/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/83:40 pm
BHM
-
SAT
2 stops7h 35m
Southwest
Wed 4/153:50 pm
SAT
-
BHM
2 stops6h 10m
Southwest
Deal found 3/11$313
This Delta deal was found by Cheapflights users on 3/9. 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 5/125:15 am
BHM
-
SAT
1 stop5h 48m
Delta
Sat 5/166:50 am
SAT
-
BHM
1 stop6h 47m
Delta
Deal found 3/9$317
This Southwest deal was found by Cheapflights users on 3/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/275:15 am
BHM
-
SAT
1 stop6h 25m
Southwest
Wed 4/293:50 pm
SAT
-
BHM
2 stops6h 10m
Southwest
Deal found 3/11$322
This Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:45 pm
BHM
-
SAT
1 stop6h 30m
Southwest
Mon 4/133:20 pm
SAT
-
BHM
1 stop7h 10m
Southwest
Deal found 3/10$331
This United Airlines deal was found by Cheapflights users on 3/10. 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 4/211:21 pm
BHM
-
SAT
2 stops9h 38m
United Airlines
Thu 4/235:30 am
SAT
-
BHM
1 stop4h 53m
United Airlines
Deal found 3/10$332
This Southwest deal was found by Cheapflights users on 3/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/73:40 pm
BHM
-
SAT
1 stop7h 35m
Southwest
Fri 4/104:25 pm
SAT
-
BHM
1 stop6h 25m
Southwest
Deal found 3/10$335
This Southwest deal was found by Cheapflights users on 3/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/64:00 pm
BHM
-
SAT
2 stops7h 40m
Southwest
Mon 4/137:45 pm
SAT
-
BHM
1 stop3h 40m
Southwest
Deal found 3/7$336

Find flight deals from Birmingham to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Birmingham (BHM) 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 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$303
(United Airlines)

One-way from

$152
(Delta)

Popular in

April

Cheapest in

August

Average price

$401
Provider with most accurate pricing for Birmingham-San Antonio flight deals.
Provider most trusted by Cheapflights users for Birmingham-San Antonio flights.
From Birmingham to San Antonio
One-way flight from Birmingham to San Antonio
Highest demand for flights based on searches. 13% potential increase in price ($57 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Birmingham 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 12, 2026.
Use the filters below to find and compare flights from Birmingham to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Wed 4/15

12:00 pm-3:50 pm

1 stop3h 50m

San Antonio

Wed 4/22

6:20 am-2:25 pm

1 stop8h 05m

$303

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Mon 4/6

4:55 pm-9:03 pm

1 stop4h 08m

San Antonio

Mon 4/13

2:14 pm-8:31 pm

1 stop6h 17m

$331

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Mon 4/6

4:00 pm-11:40 pm

2 stops7h 40m

San Antonio

Mon 4/13

7:45 pm-11:25 pm

1 stop3h 40m

$336

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Tue 4/7

4:55 pm-9:03 pm

1 stop4h 08m

San Antonio

Fri 4/10

2:14 pm-8:31 pm

1 stop6h 17m

$345
Quickest round-trip

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Mon 6/1

5:08 pm-9:13 pm

1 stop4h 05m

San Antonio

Sun 6/7

5:30 am-9:31 am

1 stop4h 01m

$349

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Thu 4/16

6:30 am-3:50 pm

2 stops9h 20m

San Antonio

Sun 4/19

6:20 am-2:25 pm

1 stop8h 05m

$354

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Mon 6/1

5:40 am-12:25 pm

2 stops6h 45m

San Antonio

Sun 6/7

6:15 pm-10:25 pm

1 stop4h 10m

$372

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Tue 4/7

4:55 pm-10:59 pm

1 stop6h 04m

San Antonio

Wed 4/8

2:02 pm-10:04 pm

1 stop8h 02m

$373
Cheapest one-way

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Tue 4/7

6:20 am-12:10 pm

1 stop5h 50m

$152

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Sat 4/11

8:00 am-11:45 am

1 stop3h 45m

$161

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

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

What is the cheapest month to book a flight from Birmingham, Alabama to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Birmingham, Alabama to San Antonio (average of $91). Flying from Birmingham, Alabama to San Antonio in March is currently the most expensive (average of $273). 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 12, 2026.
Read through reviews of airlines operating flights from Birmingham to San Antonio, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Comfort

8.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

Crew

8.6

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Related info for your journey

Find useful and relevant information for your journey from Birmingham 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 Birmingham, Alabama to San Antonio?

    Departing from Birmingham, Alabama to San Antonio will take you 3h 50m. There are 743 mi between Birmingham, Alabama and San Antonio. 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 Birmingham, Alabama to San Antonio round-trip?

    Southwest, at $247, was found to be the cheapest airline from Birmingham, Alabama to San Antonio.Alternate airlines to your destination round-trip include Delta and United Airlines. Southwest is currently priced 33% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Birmingham, Alabama to San Antonio one-way?

    $127 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $135 and $173, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Birmingham 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 Birmingham, Alabama to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Birmingham, Alabama to San Antonio (average of $91). Flying from Birmingham, Alabama to San Antonio in March is currently the most expensive (average of $273). 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

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 Birmingham to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Birmingham to San Antonio

Discover the top 4 airlines that operate flights from Birmingham 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 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$247Average$388FlexibilityNo cancel feeOn-time63%
DeltaCheapest$248Average$316FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$265Average$366FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$266Average$439FlexibilityNo cancel feeOn-time71%

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.