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$87+ 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
BHM — SAT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Birmingham to San Antonio are usually found in July or January, booked 63 days in advance, depart on a Saturday or Tuesday and return on a Wednesday

Cheap 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 September 11, 2025.

Round-trip from

$181
(Southwest)

One-way from

$87
(Southwest)

Popular in

April

Cheapest in

July

Average price

$348
From Birmingham to San Antonio
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One-way flight from Birmingham to San Antonio
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Highest demand for flights based on searches. 11% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/211:50 pmBHM - SAT
1 stop9h 25mSouthwest
Sat 10/254:05 pmSAT - BHM
1 stop4h 05mSouthwest
Deal found 9/9$186
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/2112:05 pmBHM - SAT
1 stop7h 20mAmerican Airlines
Fri 10/246:12 pmSAT - BHM
1 stop5h 45mAmerican Airlines
Deal found 9/10$230
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/75:57 pmBHM - SAT
1 stop6h 23mDelta
Tue 11/116:30 amSAT - BHM
1 stop7h 13mDelta
Deal found 9/11$234
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/147:38 pmBHM - SAT
1 stop4h 55mDelta
Mon 11/174:51 pmSAT - BHM
1 stop6h 00mDelta
Deal found 9/11$239
This American Airlines deal was found by Cheapflights users on 9/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/34:50 pmBHM - SAT
1 stop7h 38mAmerican Airlines
Thu 11/65:00 amSAT - BHM
1 stop3h 51mAmerican Airlines
Deal found 9/11$265
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/105:05 amBHM - SAT
1 stop4h 00mSouthwest
Thu 11/1311:45 amSAT - BHM
1 stop5h 20mSouthwest
Deal found 9/9$287
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:03 amBHM - SAT
1 stop4h 38mAmerican Airlines
Mon 11/176:05 pmSAT - BHM
1 stop5h 17mAmerican Airlines
Deal found 9/9$290
This Southwest deal was found by Cheapflights users on 9/10. 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.
Fri 10/245:10 amBHM - SAT
1 stop3h 40mSouthwest
Mon 10/272:10 pmSAT - BHM
2 stops8h 20mSouthwest
Deal found 9/10$307
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 11/141:42 pmBHM - SAT
2 stops9h 14mUnited Airlines
Mon 11/174:24 pmSAT - BHM
1 stop5h 35mUnited Airlines
Deal found 9/10$327

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 September 11, 2025.
Use the filters below to find and compare flights from Birmingham to San Antonio that are best for you.

Fly from

Birmingham

Fly to

San Antonio

Route

Depart

Return

Price

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Tue 10/21

1:50 pm-11:15 pm

1 stop9h 25m

San Antonio

Sat 10/25

11:45 am-8:10 pm

2 stops8h 25m

$191

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Tue 10/21

12:05 pm-7:25 pm

1 stop7h 20m

San Antonio

Fri 10/24

6:12 pm-11:57 pm

1 stop5h 45m

$230

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Fri 11/7

9:04 am-4:11 pm

1 stop7h 07m

San Antonio

Tue 11/11

6:30 am-12:13 pm

1 stop5h 43m

$234

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Fri 10/17

4:20 pm-11:07 pm

1 stop6h 47m

San Antonio

Tue 10/21

2:55 pm-8:20 pm

1 stop5h 25m

$234

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Fri 10/24

7:33 pm-12:20 am

1 stop4h 47m

San Antonio

Mon 10/27

5:14 am-12:06 pm

1 stop6h 52m

$239

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Fri 11/14

7:38 pm-12:33 am

1 stop4h 55m

San Antonio

Mon 11/17

4:51 pm-10:51 pm

1 stop6h 00m

$239

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Mon 11/10

5:05 am-9:05 am

1 stop4h 00m

San Antonio

Thu 11/13

11:45 am-5:05 pm

1 stop5h 20m

$287

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Wed 10/8

5:50 am-9:40 am

1 stop3h 50m

$87

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Wed 12/3

5:50 pm-9:40 pm

1 stop3h 50m

$87

BirminghamSan Antonio

BHM - SAT

BHMSAT

Birmingham

Tue 11/18

4:45 pm-9:50 pm

1 stop5h 05m

$87

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 17 results
1
2

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

How far ahead should I book a flight from Birmingham, Alabama to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Birmingham to San Antonio. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Birmingham, Alabama to San Antonio, you should look to book at least 28 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $295). Flying from Birmingham, Alabama to San Antonio in March is currently the most expensive (average of $376). 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 BHM to SAT?

Find hourly flight availability from Birmingham 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 September 11, 2025.

One of the essential ways to save on airfare from Birmingham, Alabama to San Antonio is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 6% on airfare.

What is the cheapest day to fly from Birmingham, Alabama to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Birmingham to San Antonio. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Birmingham, Alabama to San Antonio flight should consider departing on Saturday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 11, 2025.
Read through reviews of airlines operating flights from Birmingham to San Antonio, such as Southwest, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,960 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Food

7.0

Overall

8.0

Boarding

8.1

Comfort

8.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 7h 20m. 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 $248, 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 35% below the average price you’ll pay for this route.

  • 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 $295). Flying from Birmingham, Alabama to San Antonio in March is currently the most expensive (average of $376). 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 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$248Average$378FlexibilityNo cancel feeOn-time63%
DeltaCheapest$248Average$343FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$265Average$400FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$286Average$406FlexibilityNo cancel feeOn-time71%

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