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Cheap flights from Atlanta to San Antonio from $38

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Atlanta to San Antonio departing on 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Atlanta to San Antonio

Cheap round-trip flights

Frontier Logo
3:06 pm - 4:50 pmATL-SAT
2h 44mnonstop
Frontier Logo
12:09 pm - 6:02 amSAT-ATL
16h 53m1 stop
$129Frontier
Find Deal
Fri, Oct 24 - Sun, Oct 26
Frontier Logo
9:15 am - 10:48 amATL-SAT
2h 33mnonstop
Frontier Logo
8:20 pm - 6:04 amSAT-ATL
8h 44m1 stop
$130Frontier
Find Deal
Thu, Sep 18 - Sun, Sep 21
Frontier Logo
3:06 pm - 4:50 pmATL-SAT
2h 44mnonstop
Frontier Logo
5:45 pm - 9:19 pmSAT-ATL
2h 34mnonstop
$132Frontier
Find Deal
Fri, Oct 24 - Sun, Oct 26
Frontier Logo
9:15 am - 10:48 amATL-SAT
2h 33mnonstop
Frontier Logo
3:22 pm - 6:04 amSAT-ATL
13h 42m1 stop
$134Frontier
Find Deal
Thu, Oct 2 - Sat, Oct 4
Frontier Logo
9:15 am - 10:48 amATL-SAT
2h 33mnonstop
Frontier Logo
5:40 pm - 9:16 pmSAT-ATL
2h 36mnonstop
$135Frontier
Find Deal
Thu, Sep 18 - Mon, Sep 22
Logo
2:58 pm - 4:40 pmATL-SAT
2h 42mnonstop
Logo
6:00 am - 12:47 pmSAT-ATL
5h 47m1 stop
$141
Find Deal
Mon, Nov 10 - Tue, Nov 11
Southwest Logo
11:40 am - 1:15 pmATL-SAT
2h 35mnonstop
Southwest Logo
2:50 pm - 6:05 pmSAT-ATL
2h 15mnonstop
$167Southwest
Find Deal
Fri, Oct 3 - Sun, Oct 5
Southwest Logo
11:40 am - 1:15 pmATL-SAT
2h 35mnonstop
Southwest Logo
2:50 pm - 6:05 pmSAT-ATL
2h 15mnonstop
$177Southwest
Find Deal
Thu, Oct 2 - Sun, Oct 5
Southwest Logo
4:40 pm - 6:05 pmATL-SAT
2h 25mnonstop
Southwest Logo
3:55 pm - 7:10 pmSAT-ATL
2h 15mnonstop
$182Southwest
Find Deal
Tue, Sep 30 - Fri, Oct 3
Southwest Logo
2:50 pm - 4:15 pmATL-SAT
2h 25mnonstop
Southwest Logo
4:00 pm - 7:25 pmSAT-ATL
2h 25mnonstop
$183Southwest
Find Deal
Thu, Sep 25 - Sun, Sep 28

Frontier flights from Atlanta to San Antonio

Our best Frontier deals on Atlanta to San Antonio flight tickets
Frontier
Oct 24
ATL3:06 pmAtlanta Hartsfield-Jackson
2h 44m
SAT4:50 pmSan Antonio
Oct 26
SAT12:09 pmSan Antonio
16h 53m
1 stop
ATL6:02 amAtlanta Hartsfield-Jackson
$129
Find similar
Frontier
Sep 18
ATL9:15 amAtlanta Hartsfield-Jackson
2h 33m
SAT10:48 amSan Antonio
Sep 21
SAT8:20 pmSan Antonio
8h 44m
1 stop
ATL6:04 amAtlanta Hartsfield-Jackson
$130
Find similar
Frontier
Oct 24
ATL3:06 pmAtlanta Hartsfield-Jackson
2h 44m
SAT4:50 pmSan Antonio
Oct 26
SAT5:45 pmSan Antonio
2h 34m
ATL9:19 pmAtlanta Hartsfield-Jackson
$132
Find similar

Southwest flights from Atlanta to San Antonio

Our best Southwest deals on Atlanta to San Antonio flight tickets
Southwest
Oct 3
ATL11:40 amAtlanta Hartsfield-Jackson
2h 35m
SAT1:15 pmSan Antonio
Oct 5
SAT2:50 pmSan Antonio
2h 15m
ATL6:05 pmAtlanta Hartsfield-Jackson
$167
Find similar
Southwest
Oct 2
ATL11:40 amAtlanta Hartsfield-Jackson
2h 35m
SAT1:15 pmSan Antonio
Oct 5
SAT2:50 pmSan Antonio
2h 15m
ATL6:05 pmAtlanta Hartsfield-Jackson
$177
Find similar
Southwest
Sep 30
ATL4:40 pmAtlanta Hartsfield-Jackson
2h 25m
SAT6:05 pmSan Antonio
Oct 3
SAT3:55 pmSan Antonio
2h 15m
ATL7:10 pmAtlanta Hartsfield-Jackson
$182
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 21, 2025.
Use the filters below to find and compare flights from Atlanta to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Fri 10/24

3:06 pm-4:50 pm

Nonstop2h 44m

San Antonio

Sun 10/26

12:09 pm-6:02 am

1 stop16h 53m

$129

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Thu 9/18

9:15 am-10:48 am

Nonstop2h 33m

San Antonio

Sun 9/21

8:20 pm-6:04 am

1 stop8h 44m

$130

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Fri 10/24

3:06 pm-4:50 pm

Nonstop2h 44m

San Antonio

Sun 10/26

5:45 pm-9:19 pm

Nonstop2h 34m

$132

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Thu 10/2

9:15 am-10:48 am

Nonstop2h 33m

San Antonio

Sat 10/4

3:22 pm-6:04 am

1 stop13h 42m

$134

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Thu 9/18

9:15 am-10:48 am

Nonstop2h 33m

San Antonio

Mon 9/22

5:40 pm-9:16 pm

Nonstop2h 36m

$135

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Mon 11/10

2:58 pm-4:40 pm

Nonstop2h 42m

San Antonio

Tue 11/11

6:00 am-12:47 pm

1 stop5h 47m

$141

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Fri 10/3

11:40 am-1:15 pm

Nonstop2h 35m

San Antonio

Sun 10/5

2:50 pm-6:05 pm

Nonstop2h 15m

$167

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Thu 10/2

11:40 am-1:15 pm

Nonstop2h 35m

San Antonio

Sun 10/5

2:50 pm-6:05 pm

Nonstop2h 15m

$177

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Tue 9/30

4:40 pm-6:05 pm

Nonstop2h 25m

San Antonio

Fri 10/3

3:55 pm-7:10 pm

Nonstop2h 15m

$182

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Thu 9/25

2:50 pm-4:15 pm

Nonstop2h 25m

San Antonio

Sun 9/28

4:00 pm-7:25 pm

Nonstop2h 25m

$183

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Atlanta to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of May, then book flights to San Antonio from Atlanta during June instead. Flights to San Antonio in June, while not as cheap as those in May, still average around $180.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Tuesday when prices can be found for as low as $293. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $370.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the afternoon. momondo users have found flights departing from Atlanta to San Antonio in the afternoon for as low as $268. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $369. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Atlanta Hartsfield-Jackson to San Antonio flight route?

Fly from Atlanta Hartsfield-Jackson to San Antonio for the best Atlanta Hartsfield-Jackson - San Antonio flight prices

How far in advance should I book a flight to San Antonio?

You are more likely to see cheaper flights to San Antonio from Atlanta when booking weeks ahead of your departure date. In general, you can expect to find flights to San Antonio for around $293 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Antonio from Atlanta for as low as $238 on momondo.

What cabin class options are available on Atlanta Hartsfield-Jackson to San Antonio flights?

There are 4 cabin classes available to choose from on Atlanta Hartsfield-Jackson to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Atlanta to San Antonio flight prices changed over time?

As of August 2025, prices for Atlanta to San Antonio flights are approximately 10% cheaper when compared to flights at the same time last year.

When to book flights from Atlanta to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Atlanta to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Atlanta to San Antonio (ATL to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Atlanta to San Antonio

Best Price Found

$106

Fastest flight time

2h 18m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Atlanta in the past 72 hours is $106. The best round-trip flight deal from Atlanta to San Antonio found on momondo in the last 72 hours is $171.
The fastest flight from Atlanta to San Antonio takes 2h 18m
Direct flights go from Atlanta to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)
Search flight deals

  • How far is Atlanta Hartsfield-Jackson to San Antonio by plane?

    The straight-line distance from Atlanta Hartsfield-Jackson to San Antonio is 880.9 mi. Flights usually cover this in 2h 25m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Atlanta Hartsfield-Jackson Airport to San Antonio Airport?

    Prices for flights from Atlanta Hartsfield-Jackson Airport to San Antonio Airport were last updated today.

  • How many operators does momondo search for flights from Atlanta Hartsfield-Jackson Airport to San Antonio Airport?

  • How old do you have to be to fly from Atlanta Hartsfield-Jackson Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Atlanta Hartsfield-Jackson Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The necessary travel and health documents for your San Antonio Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Atlanta to San Antonio?

  • What is the most popular airline from Atlanta to San Antonio?

Best airlines flying from Atlanta to San Antonio

Compare and see reviews for airlines that fly from Atlanta to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $74Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $78Free CancellationRating
6.3
8,035 reviews
Search Spirit Airlines flights
DeltaPriceFrom $177Free CancellationRating
7.9
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $218Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $223Free CancellationRating
8.0
4,245 reviews
Search Southwest flights
United AirlinesPriceFrom $233Free CancellationRating
7.4
8,930 reviews
Search United Airlines flights

  • Southwest Flights From Atlanta to San Antonio

    Southwest flies from Atlanta to San Antonio around 5 times per week, with 4,245 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Atlanta to San Antonio in the last 72 hours was $223 (round-trip), much lower than the average airfare cost of $367 for Southwest flights on this route.

  • Delta Flights From Atlanta to San Antonio

    Delta (7.9/10 from 7,981 reviews) operates around 13 flights from Atlanta to San Antonio in any given week. The average Delta airfare for this route is around $326, with deals from around $177 rare but found on momondo. Referenced prices are for round-trip Atlanta to San Antonio flight searches in the last 72 hours.

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Schertz
Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from Atlanta to San Antonio?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Atlanta to San Antonio. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Atlanta to San Antonio with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Antonio from Atlanta with this policy.

How can momondo help me find flights from Atlanta to San Antonio?

Once all potential Atlanta to San Antonio flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Atlanta to San Antonio right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Antonio, momondo offers a useful price alert feature which will track prices for flights to San Antonio from Atlanta and alert you when they change.

An easier way to manage your San Antonio trip

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