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Cheap flights from Atlanta to San Antonio from $39

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 2/22. 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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0 bags

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Find the cheapest flights from Atlanta to San Antonio

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:30 pm - 4:15 pm
ATL
-
SAT
2h 45mnonstop
Frontier Logo
5:04 pm - 8:26 pm
SAT
-
ATL
2h 22mnonstop
$123Frontier
Fri, Feb 20 - Sun, Feb 22
Frontier Logo
2:33 pm - 4:18 pm
ATL
-
SAT
2h 45mnonstop
Frontier Logo
5:04 pm - 8:26 pm
SAT
-
ATL
2h 22mnonstop
$124Frontier
Mon, Feb 16 - Sun, Feb 22
Multiple Airlines Logo
9:36 pm - 9:30 am
ATL
-
SAT
12h 54m
1 stop
Multiple Airlines Logo
5:04 pm - 8:26 pm
SAT
-
ATL
2h 22mnonstop
$125Multiple Airlines
Thu, Feb 19 - Sun, Feb 22
Multiple Airlines Logo
9:36 pm - 9:30 am
ATL
-
SAT
12h 54m
1 stop
Multiple Airlines Logo
5:04 pm - 8:26 pm
SAT
-
ATL
2h 22mnonstop
$126Multiple Airlines
Sun, Feb 22 - Sun, Mar 1
Frontier Logo
2:34 pm - 4:19 pm
ATL
-
SAT
2h 45mnonstop
Frontier Logo
1:57 pm - 9:51 pm
SAT
-
ATL
6h 54m
1 stop
$129Frontier
Sun, Feb 15 - Thu, Feb 19
Frontier Logo
2:30 pm - 4:15 pm
ATL
-
SAT
2h 45mnonstop
Frontier Logo
5:04 pm - 8:26 pm
SAT
-
ATL
2h 22mnonstop
$130Frontier
Fri, Feb 13 - Fri, Feb 20
Frontier Logo
2:30 pm - 4:15 pm
ATL
-
SAT
2h 45mnonstop
Frontier Logo
5:04 pm - 8:26 pm
SAT
-
ATL
2h 22mnonstop
$131Frontier
Fri, Feb 13 - Sun, Feb 15
Multiple Airlines Logo
10:58 am - 7:01 pm
ATL
-
SAT
9h 03m
1 stop
Multiple Airlines Logo
10:26 am - 11:03 pm
SAT
-
ATL
11h 37m
1 stop
$132Multiple Airlines
Sat, Feb 28 - Sat, Mar 7
Frontier Logo
2:30 pm - 4:15 pm
ATL
-
SAT
2h 45mnonstop
Frontier Logo
5:04 pm - 8:26 pm
SAT
-
ATL
2h 22mnonstop
$133Frontier
Fri, Feb 13 - Sun, Feb 15
Frontier Logo
2:30 pm - 4:15 pm
ATL
-
SAT
2h 45mnonstop
Frontier Logo
5:04 pm - 8:26 pm
SAT
-
ATL
2h 22mnonstop
$136Frontier
Fri, Feb 20 - Mon, Feb 23

Spirit Airlines flights from Atlanta to San Antonio

Our best Spirit Airlines deals on Atlanta to San Antonio flight tickets
Spirit Airlines
Feb 14
ATL6:33 pmAtlanta Hartsfield-Jackson
6h 26m
1 stop
SAT11:59 pmSan Antonio
Feb 17
SAT10:26 amSan Antonio
9h 59m
1 stop
ATL9:25 pmAtlanta Hartsfield-Jackson
$124
Spirit Airlines
Feb 13
ATL6:33 pmAtlanta Hartsfield-Jackson
6h 26m
1 stop
SAT11:59 pmSan Antonio
Mar 4
SAT10:26 amSan Antonio
8h 45m
1 stop
ATL8:11 pmAtlanta Hartsfield-Jackson
$134
Spirit Airlines
Mar 7
ATL9:36 pmAtlanta Hartsfield-Jackson
11h 54m
1 stop
SAT8:30 amSan Antonio
Mar 10
SAT10:26 amSan Antonio
8h 45m
1 stop
ATL8:11 pmAtlanta Hartsfield-Jackson
$142

Frontier flights from Atlanta to San Antonio

Our best Frontier deals on Atlanta to San Antonio flight tickets
Frontier
Feb 13
ATL2:30 pmAtlanta Hartsfield-Jackson
2h 45m
SAT4:15 pmSan Antonio
Feb 20
SAT5:04 pmSan Antonio
2h 22m
ATL8:26 pmAtlanta Hartsfield-Jackson
$130
Frontier
Feb 13
ATL2:30 pmAtlanta Hartsfield-Jackson
2h 45m
SAT4:15 pmSan Antonio
Feb 15
SAT5:04 pmSan Antonio
2h 22m
ATL8:26 pmAtlanta Hartsfield-Jackson
$131
Frontier
Feb 13
ATL2:30 pmAtlanta Hartsfield-Jackson
2h 45m
SAT4:15 pmSan Antonio
Feb 15
SAT5:04 pmSan Antonio
2h 22m
ATL8:26 pmAtlanta Hartsfield-Jackson
$133

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 February 3, 2026.
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 2/20

2:30 pm-4:15 pm

Nonstop2h 45m

San Antonio

Sun 2/22

5:04 pm-8:26 pm

Nonstop2h 22m

$123

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Mon 2/16

2:33 pm-4:18 pm

Nonstop2h 45m

San Antonio

Sun 2/22

5:04 pm-8:26 pm

Nonstop2h 22m

$124

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Thu 2/19

9:36 pm-9:30 am

1 stop12h 54m

San Antonio

Sun 2/22

5:04 pm-8:26 pm

Nonstop2h 22m

$125

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Sun 2/22

9:36 pm-9:30 am

1 stop12h 54m

San Antonio

Sun 3/1

5:04 pm-8:26 pm

Nonstop2h 22m

$126

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Sun 2/15

2:34 pm-4:19 pm

Nonstop2h 45m

San Antonio

Thu 2/19

1:57 pm-9:51 pm

1 stop6h 54m

$129

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Fri 2/13

2:30 pm-4:15 pm

Nonstop2h 45m

San Antonio

Fri 2/20

5:04 pm-8:26 pm

Nonstop2h 22m

$130

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Fri 2/13

2:30 pm-4:15 pm

Nonstop2h 45m

San Antonio

Sun 2/15

5:04 pm-8:26 pm

Nonstop2h 22m

$131

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Sat 2/28

10:58 am-7:01 pm

1 stop9h 03m

San Antonio

Sat 3/7

10:26 am-11:03 pm

1 stop11h 37m

$132

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Fri 2/13

2:30 pm-4:15 pm

Nonstop2h 45m

San Antonio

Sun 2/15

5:04 pm-8:26 pm

Nonstop2h 22m

$133

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Fri 2/20

2:30 pm-4:15 pm

Nonstop2h 45m

San Antonio

Mon 2/23

5:04 pm-8:26 pm

Nonstop2h 22m

$136

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 $177.

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 Friday when prices can be found for as low as $231. 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 Saturday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Saturday is $286.

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 $225. 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 in the evening, with an average ticket price of $285. Departure times in the evening 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 $255 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 $218 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.

Can stopping save me money on Atlanta to San Antonio flights?

No. A direct flight is the cheapest option for a flight between Atlanta to San Antonio.

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

As of February 2026, prices for Atlanta to San Antonio flights are approximately 59% more expensive 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

$210

Fastest flight time

2h 24m

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 $210. The best round-trip flight deal from Atlanta to San Antonio found on momondo in the last 72 hours is $237.
The fastest flight from Atlanta to San Antonio takes 2h 24m
Direct flights go from Atlanta to San Antonio every day.
There is 1 airport in San Antonio. From Atlanta there are direct flights to 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 24m, 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 $66Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $77Free CancellationRating
6.3
8,396 reviews
Search Spirit Airlines flights
United AirlinesPriceFrom $155Free CancellationRating
7.4
9,229 reviews
Search United Airlines flights
DeltaPriceFrom $170Free CancellationRating
7.9
8,132 reviews
Search Delta flights
American AirlinesPriceFrom $174Free CancellationRating
7.2
11,212 reviews
Search American Airlines flights
SouthwestPriceFrom $187Free CancellationRating
8.0
4,271 reviews
Search Southwest flights

  • Southwest Flights From Atlanta to San Antonio

    Southwest flies from Atlanta to San Antonio around 7 times per week, with 4,271 momondo users rating the airline 8.0/10. The cheapest Southwest deal from Atlanta to San Antonio in the last 72 hours was $187 (round-trip), much lower than the average airfare cost of $307 for Southwest flights on this route.

  • Delta Flights From Atlanta to San Antonio

    Delta (7.9/10 from 8,132 reviews) operates around 43 flights from Atlanta to San Antonio in any given week. The average Delta airfare for this route is around $303, with deals from around $170 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
Pleasanton
Schertz

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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