What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to San Antonio?

Frontier, Spirit Airlines, and United Airlines are the most popular carriers operating from Atlanta Hartsfield-Jackson to San Antonio

What airlines fly to San Antonio?

Delta, Frontier and Southwest are the top three most popular airlines that fly to San Antonio from Atlanta according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to San Antonio. Keep in mind that there are 6 different airlines that fly to San Antonio on a routine basis, so you have a few additional options to choose from.

How many flights depart from Atlanta to San Antonio on average per day?

The number of flights available between Atlanta and San Antonio is 21 per day as of February 2026. The most frequent departure time is 3:00PM, with 42% of daily flights leaving in the evening.

How many flights depart from Atlanta to San Antonio on average per week?

The number of flights available between Atlanta and San Antonio is 150 per week as of February 2026. The most frequent departure day is Fri, with 21% of weekly flights leaving on this day.

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?

As of February 2026, there are 6 operators available to choose from 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.

$39 Cheap Flights from Atlanta to San Antonio in 2026

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2:30 pm - 4:15 pm

ATL

SAT

2h 45mnonstop

5:04 pm - 8:26 pm

SAT

ATL

2h 22mnonstop

$123Frontier

Fri, Feb 20 - Sun, Feb 22

1:06 pm - 2:51 pm

ATL

SAT

2h 45mnonstop

10:26 am - 9:25 pm

SAT

ATL

9h 59m

1 stop

$124Multiple Airlines

Fri, Mar 6 - Tue, Mar 10

9:36 pm - 9:30 am

ATL

SAT

12h 54m

1 stop

5:04 pm - 8:26 pm

SAT

ATL

2h 22mnonstop

$126Multiple Airlines

Thu, Feb 26 - Sun, Mar 1

9:36 pm - 9:30 am

ATL

SAT

12h 54m

1 stop

5:04 pm - 8:26 pm

SAT

ATL

2h 22mnonstop

$127Multiple Airlines

Wed, Feb 18 - Sun, Feb 22

9:36 pm - 9:30 am

ATL

SAT

12h 54m

1 stop

7:56 pm - 5:25 am

SAT

ATL

8h 29m

1 stop

$128Multiple Airlines

Fri, Feb 27 - Sat, Feb 28

9:36 pm - 9:30 am

ATL

SAT

12h 54m

1 stop

5:04 pm - 8:26 pm

SAT

ATL

2h 22mnonstop

$135Multiple Airlines

Tue, Feb 17 - Sun, Feb 22

9:36 pm - 9:30 am

ATL

SAT

12h 54m

1 stop

5:04 pm - 8:26 pm

SAT

ATL

2h 22mnonstop

$136Multiple Airlines

Tue, Feb 17 - Sun, Feb 22

10:51 pm - 1:12 pm

ATL

SAT

15h 21m

1 stop

9:39 pm - 2:28 pm

SAT

ATL

15h 49m

1 stop

$137Frontier

Wed, Feb 25 - Mon, Mar 2

1:06 pm - 2:51 pm

ATL

SAT

2h 45mnonstop

8:53 pm - 10:29 pm

SAT

ATL

24h 36m

1 stop

$138Frontier

Fri, Mar 6 - Sat, Mar 7

1:06 pm - 2:51 pm

ATL

SAT

2h 45mnonstop

8:53 pm - 6:04 am

SAT

ATL

8h 11m

1 stop

$139Frontier

Fri, Mar 6 - Sat, Mar 7

Frontier flights from Atlanta to San Antonio

Our best Frontier deals on Atlanta to San Antonio flight tickets

Frontier

Feb 20

ATL2:30 pmAtlanta Hartsfield-Jackson

2h 45m

SAT4:15 pmSan Antonio

Feb 22

SAT5:04 pmSan Antonio

2h 22m

ATL8:26 pmAtlanta Hartsfield-Jackson

$123

Frontier

Feb 15

ATL2:34 pmAtlanta Hartsfield-Jackson

2h 45m

SAT4:19 pmSan Antonio

Feb 22

SAT7:07 pmSan Antonio

10h 08m

1 stop

ATL6:15 amAtlanta Hartsfield-Jackson

$129

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

$130

Spirit Airlines flights from Atlanta to San Antonio

Our best Spirit Airlines deals on Atlanta to San Antonio flight tickets

Spirit Airlines

Feb 17

ATL9:36 pmAtlanta Hartsfield-Jackson

12h 54m

1 stop

SAT9:30 amSan Antonio

Feb 25

SAT10:26 amSan Antonio

8h 45m

1 stop

ATL8:11 pmAtlanta Hartsfield-Jackson

$148

Spirit Airlines

Mar 4

ATL9:36 pmAtlanta Hartsfield-Jackson

12h 54m

1 stop

SAT9:30 amSan Antonio

Mar 11

SAT6:00 amSan Antonio

16h 03m

2 stops

ATL11:03 pmAtlanta Hartsfield-Jackson

$149

Spirit Airlines

Mar 9

ATL9:36 pmAtlanta Hartsfield-Jackson

12h 54m

1 stop

SAT9:30 amSan Antonio

Mar 17

SAT10:22 amSan Antonio

5h 01m

1 stop

ATL4:23 pmAtlanta Hartsfield-Jackson

$150

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

Fri 3/6

1:06 pm-2:51 pm

Nonstop2h 45m

San Antonio

Tue 3/10

10:26 am-9:25 pm

1 stop9h 59m

$124

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Thu 2/26

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

Wed 2/18

9:36 pm-9:30 am

1 stop12h 54m

San Antonio

Sun 2/22

5:04 pm-8:26 pm

Nonstop2h 22m

$127

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Fri 2/27

9:36 pm-9:30 am

1 stop12h 54m

San Antonio

Sat 2/28

7:56 pm-5:25 am

1 stop8h 29m

$128

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Tue 2/17

9:36 pm-9:30 am

1 stop12h 54m

San Antonio

Sun 2/22

5:04 pm-8:26 pm

Nonstop2h 22m

$135

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Tue 2/17

9:36 pm-9:30 am

1 stop12h 54m

San Antonio

Sun 2/22

5:04 pm-8:26 pm

Nonstop2h 22m

$136

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Wed 2/25

10:51 pm-1:12 pm

1 stop15h 21m

San Antonio

Mon 3/2

9:39 pm-2:28 pm

1 stop15h 49m

$137

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Fri 3/6

1:06 pm-2:51 pm

Nonstop2h 45m

San Antonio

Sat 3/7

8:53 pm-10:29 pm

1 stop24h 36m

$138

AtlantaSan Antonio

ATL - SAT

ATLSAT

Atlanta Hartsfield-Jackson

Fri 3/6

1:06 pm-2:51 pm

Nonstop2h 45m

San Antonio

Sat 3/7

8:53 pm-6:04 am

1 stop8h 11m

$139

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

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 $227. 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 $282.

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 $224. 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 $282. 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 28% 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	$119
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 $119. 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?
As of February 2026, there are 6 operators available to choose from 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?
Based on momondo bookings for flights between Atlanta and San Antonio, the leading plane model is Airbus A321-100/200, making up 29.25% of the total bookings. Other popular models include Airbus A320-100/200 with 23.90%, Boeing 737-700 Passenger/BBJ1 (winglets) with 9.94%, and Airbus A321neo with 9.56%.
What is the most popular airline from Atlanta to San Antonio?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Atlanta to San Antonio is Delta (45% of total bookings). The next most popular airlines are Spirit Airlines (23%), Southwest (15%), and Frontier (15%).

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
Frontier	PriceFrom $65	Free Cancellation	Rating 5.7 3,052 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $77	Free Cancellation	Rating 6.3 8,430 reviews	Search Spirit Airlines flights
United Airlines	PriceFrom $155	Free Cancellation	Rating 7.4 9,254 reviews	Search United Airlines flights
Delta	PriceFrom $169	Free Cancellation	Rating 7.9 8,172 reviews	Search Delta flights
American Airlines	PriceFrom $174	Free Cancellation	Rating 7.2 11,249 reviews	Search American Airlines flights
Southwest	PriceFrom $187	Free Cancellation	Rating 8.0 4,280 reviews	Search Southwest flights

Southwest Flights From Atlanta to San Antonio
Southwest flies from Atlanta to San Antonio around 4 times per week, with 4,280 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 $301 for Southwest flights on this route.
Delta Flights From Atlanta to San Antonio
Delta (7.9/10 from 8,172 reviews) operates around 18 flights from Atlanta to San Antonio in any given week. The average Delta airfare for this route is around $301, with deals from around $169 rare but found on momondo. Referenced prices are for round-trip Atlanta to San Antonio flight searches in the last 72 hours.

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

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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 3/1. 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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How to get the cheapest flight ticket from Atlanta to San Antonio

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?

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

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?

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 28% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to San Antonio?

Frontier, Spirit Airlines, and United Airlines are the most popular carriers operating from Atlanta Hartsfield-Jackson to San Antonio

What airlines fly to San Antonio?

How many flights depart from Atlanta to San Antonio on average per day?

The number of flights available between Atlanta and San Antonio is 21 per day as of February 2026. The most frequent departure time is 3:00PM, with 42% of daily flights leaving in the evening.

How many flights depart from Atlanta to San Antonio on average per week?

The number of flights available between Atlanta and San Antonio is 150 per week as of February 2026. The most frequent departure day is Fri, with 21% of weekly flights leaving on this day.

When to book flights from Atlanta to San Antonio

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

Fastest flight time

Direct flights

Airports in San Antonio

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

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

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?

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

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

Southwest Flights From Atlanta to San Antonio

Delta Flights From Atlanta to San Antonio

Traveling to a place near San Antonio?

Why use momondo?

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

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

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

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

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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List of cabin classes available on flights landing in San Antonio. Availability may vary depending on flight origin and airline.

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