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$49+ Cheap flights from Atlanta to San Antonio (ATL - 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
ATL — SAT
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to San Antonio are usually found in May or June, booked 55 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Atlanta to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Atlanta (ATL) 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 17, 2025.

Round-trip from

$141
(CheapOair)

One-way from

$49
(Cheapflightsfares)

Popular in

December

Cheapest in

May

Average price

$273

Good round-trip deal

$197 or less

Good one-way deal

$101 or less
From Atlanta Hartsfield-Jackson to San Antonio
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One-way flight from Atlanta Hartsfield-Jackson to San Antonio
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Highest demand for flights based on searches. 19% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to San Antonio.
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Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to San Antonio.
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Find flight deals from Atlanta to San Antonio

Cheapest flights from Atlanta to San Antonio
Explore the most affordable flight options available from Atlanta to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This CheapOair deal was found by Cheapflights users on 9/16. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/27:30 amATL - SAT
1 stop13h 00mFrontier
Mon 11/35:35 pmSAT - ATL
Nonstop2h 34mFrontier
Deal found 9/16$141
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/292:59 pmATL - SAT
Nonstop2h 31mFrontier
Fri 10/35:40 pmSAT - ATL
Nonstop2h 36mFrontier
Deal found 9/14$143
This CheapOair deal was found by Cheapflights users on 9/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/173:06 pmATL - SAT
Nonstop2h 44mFrontier
Sun 10/195:47 pmSAT - ATL
Nonstop2h 34mFrontier
Deal found 9/17$144
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/247:30 amATL - SAT
1 stop13h 11mFrontier
Sun 10/265:47 pmSAT - ATL
Nonstop2h 34mFrontier
Deal found 9/15$145
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/217:30 amATL - SAT
1 stop8h 44mFrontier
Fri 10/245:45 pmSAT - ATL
Nonstop2h 34mFrontier
Deal found 9/15$146
This Gotogate deal was found by Cheapflights users on 9/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:00 pmATL - SAT
1 stop19h 17mFrontier
Mon 11/108:25 pmSAT - ATL
1 stop22h 30mFrontier
Deal found 9/16$151
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/133:06 pmATL - SAT
Nonstop2h 44mFrontier
Mon 10/205:45 pmSAT - ATL
Nonstop2h 34mFrontier
Deal found 9/15$154
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/67:34 amATL - SAT
1 stop12h 41mFrontier
Mon 10/135:45 pmSAT - ATL
Nonstop2h 34mFrontier
Deal found 9/15$155
This Priceline deal was found by Cheapflights users on 9/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/87:30 amATL - SAT
1 stop8h 44mFrontier
Sun 10/195:47 pmSAT - ATL
Nonstop2h 34mFrontier
Deal found 9/16$156

Cheapflights Fare Finder

 
Customize your flight search to find flights from Atlanta 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 17, 2025.
Use the filters below to find and compare flights from Atlanta to San Antonio that are best for you.

Fly from

Atlanta

Fly to

San Antonio

Route

Depart

Return

Price

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Fri 11/14

2:58 pm-4:40 pm

Nonstop2h 42m

San Antonio

Sat 11/15

3:12 pm-6:50 pm

1 stop26h 38m

$141

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Tue 10/21

7:30 am-3:14 pm

1 stop8h 44m

San Antonio

Fri 10/24

8:26 pm-6:02 am

1 stop8h 36m

$150

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Mon 10/6

2:59 pm-4:30 pm

Nonstop2h 31m

San Antonio

Thu 10/16

8:26 pm-6:50 pm

1 stop21h 24m

$165

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Thu 10/2

9:15 am-10:48 am

Nonstop2h 33m

San Antonio

Fri 10/3

7:25 pm-6:04 am

1 stop9h 39m

$178

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Thu 10/2

12:17 pm-6:12 pm

1 stop6h 55m

San Antonio

Fri 10/3

7:25 pm-6:04 am

1 stop9h 39m

$195

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Fri 10/24

8:45 pm-12:10 am

1 stop4h 25m

San Antonio

Mon 10/27

2:10 pm-9:45 pm

2 stops6h 35m

$212

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Thu 11/13

4:30 pm-11:45 pm

2 stops8h 15m

San Antonio

Sun 11/16

6:10 am-12:55 pm

1 stop5h 45m

$212

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Tue 11/4

4:05 pm-5:50 pm

Nonstop2h 45m

San Antonio

Fri 11/7

4:25 pm-7:40 pm

Nonstop2h 15m

$229

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Fri 10/24

8:45 pm-12:30 am

1 stop4h 45m

San Antonio

Tue 10/28

8:05 am-5:25 pm

2 stops8h 20m

$238

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Tue 10/21

10:50 pm-12:20 am

Nonstop2h 30m

San Antonio

Fri 10/24

6:41 am-10:00 am

Nonstop2h 19m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 21 results
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The best insider tips for Atlanta to San Antonio flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Atlanta to San Antonio trip
Airports
ATL

Consider using the international terminal for shorter security lines if you're not checking bags and can check in online.

Read more about ATLby Chris Dong
SAT

Use Route 5 from SAT to reach downtown San Antonio in about 30 minutes, with several stops along the way.

Read more about SATby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on SAT

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Chris Dong

Chris Dong

Expert on ATL

Chris Dong

Chris Dong

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Read more

Best time to book a flight from Atlanta to San Antonio

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

How far ahead should I book a flight from Atlanta to San Antonio?

Use this chart to determine the optimal time to book a round-trip flight from Atlanta to San Antonio. Price data was last updated on September 12, 2025.

The price you pay for your flight from Atlanta to San Antonio may vary depending on when you book. For the best chance of a lower fare, look to book 55 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Atlanta to San Antonio (average of $295). Flying from Atlanta 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 ATL to SAT?

Find hourly flight availability from Atlanta 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 17, 2025.

When flying from Atlanta to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 27% versus a flight in the evening.

What is the cheapest day to fly from Atlanta to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Atlanta to San Antonio. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Atlanta to San Antonio flight should consider departing on Friday afternoons when fares are most often at their lowest. Saturday at noon 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 17, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta, and American Airlines from Atlanta to San Antonio to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

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
7,961 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

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
4,242 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

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
Spirit Airlines
6.3
Okay
8,023 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

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
Frontier
5.8
Fair
3,173 reviews
Southwest
8.0
Very good
4,242 reviews

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

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 Atlanta to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Atlanta to San Antonio?

    Booking a flight from Atlanta Hartsfield-Jackson (ATL) to San Antonio (SAT) is your only option if you wish to fly from Atlanta to San Antonio. On a typical day, there are 26 flights from Hartsfield-Jackson to San Antonio, all of which are around 2h 22m for a nonstop flight. You can also purchase a plane ticket from 6 airlines when you book a flight from Hartsfield-Jackson to San Antonio.

  • How popular is this Atlanta to San Antonio flight route?

    This flight path from Atlanta Hartsfield-Jackson to San Antonio was viewed by 38 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Atlanta to San Antonio?

    Frontier can get you from Atlanta to San Antonio in just under 2h 42m. Your travel time will be generally consistent. Atlanta and San Antonio are separated by a distance of 873 mi. Generally, flights for this route are nonstop.

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

    Frontier, at $76, was found to be the cheapest airline from Atlanta to San Antonio.Alternate airlines to your destination round-trip include Spirit Airlines and Delta. Users have found that Frontier is 73% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Atlanta to San Antonio one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $90. Southwest flights start at $94 while deals on Spirit Airlines start at $97 one-way.

  • What are the most reliable airlines from Atlanta to San Antonio?

    Consider Aeromexico (98%), LATAM Airlines (84%) or Delta (82%) when booking your flight. These represent the most reliable airlines when flying from Atlanta to San Antonio.

  • What are the cheapest flights from Atlanta to San Antonio?

    On average you can expect to pay $215 for a flight from Atlanta to San Antonio. The cheapest flight overall is $51 while the most popular route, (Atlanta Hartsfield-Jackson - San Antonio) is currently priced at $161.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Atlanta 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 Atlanta to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Atlanta to San Antonio (average of $295). Flying from Atlanta 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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Alternative routes for Atlanta to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Atlanta to San Antonio

Discover the top 6 airlines that operate flights from Atlanta 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 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$76Average$170FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$78Average$134FlexibilityNo cancel feeOn-time65%
DeltaCheapest$177Average$323FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$200Average$355FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$206Average$348FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$233Average$374FlexibilityNo cancel feeOn-time69%

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