Cheap flights from Atlanta to San Antonio from $40
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 9/4. 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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Frontier flights from Atlanta to San Antonio
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Southwest flights from Atlanta to San Antonio
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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 $223.
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 Wednesday when prices can be found for as low as $302. 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 $382.
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 $286. 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 $401. 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 $313 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 $261 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.
What is the cheapest airline that flies from Atlanta Hartsfield-Jackson to San Antonio?
Frontier, Southwest, and Spirit 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 48% 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 30 per day as of July 2025. The most frequent departure time is 10:00PM, with 45% 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 214 per week as of July 2025. The most frequent departure day is Mon, with 19% 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
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 19m, 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 July 2025, 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 23.32% of the total bookings. Other popular models include Airbus A320-100/200 with 21.62%, Airbus A320 (sharklets) with 17.57%, and Boeing 737 MAX 8 with 11.74%.
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 (50% of total bookings). The next most popular airlines are Spirit Airlines (21%), Southwest (19%), and Frontier (7%).
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 | ||
|---|---|---|---|---|---|
| PriceFrom $78 | Free Cancellation | Rating 6.3 8,063 reviews | |||
| PriceFrom $78 | Free Cancellation | Rating 5.9 3,273 reviews | |||
| PriceFrom $193 | Free Cancellation | Rating 8.0 7,958 reviews | |||
| PriceFrom $226 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $233 | Free Cancellation | Rating 7.4 8,844 reviews | |||
| PriceFrom $248 | Free Cancellation | Rating 8.0 4,256 reviews |
Delta Flights From Atlanta to San Antonio
Delta flies from Atlanta to San Antonio around 15 times per week, with 7,962 momondo users rating the airline 8.0/10. The cheapest Delta deal from Atlanta to San Antonio in the last 72 hours was $193 (round-trip), much lower than the average airfare cost of $335 for Delta flights on this route.
Southwest Flights From Atlanta to San Antonio
Southwest (8.0/10 from 4,258 reviews) operates around 5 flights from Atlanta to San Antonio in any given week. The average Southwest airfare for this route is around $373, with deals from around $248 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 locationsWhy 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.