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Flights from Atlanta to San Antonio

Hi, I've summed up all the key info for Atlanta to San Antonio flights

Cheapest one-way

$ 87
Frontier Airlines Tue, Sep 22

62% below next 30d avg. ($228)

Cheapest round-trip

$ 171
Frontier Airlines Thu, Oct 22

54% below next 30d avg. ($375)

When to travel

September Cheapest month
January Peak month

Recommended airlines

With a lowest one-way fare of $87 , travelers can expect an average price of $228 for upcoming trips, while round-trip tickets start at $171 . There are 47 flights weekly on this route. You can arrive at any of the following airports in San Antonio: San Antonio International Airport (SAT) , and Kelly Field Annex/Lackland Air Force Base (SKF) . Flights from Hartsfield–Jackson Atlanta International Airport to San Antonio International Airport (ATL-SAT) are by far the most popular option for this route. To secure the best rates, booking 40 days in advance is recommended, and the cheapest travel days are Tuesday, Wednesday, and Saturday .

Updated 4d ago · This content is an AI-powered summary based on Trip.com data. Prices and availability are subject to change. Please refer to actual prices, availability, and travel conditions.

Explore the cheapest one-way and round-trip flights from Atlanta to San Antonio over the next 90 days, with one-way fares from $87 and round-trip from $171. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        ATL 7:50 PM
        2h 24m
        Nonstop
        SAT 9:14 PM
        Atlanta - San Antonio | Mon, Sep 14 | Delta Air Lines
        SAT 11:00 AM
        2h 24m
        Nonstop
        ATL 2:24 PM
        San Antonio - Atlanta | Sat, Sep 19 | Delta Air Lines
        $214 $229
        7% off
        7% off
        $229 $214
      • ATL 10:44 PM
        2h 24m
        Nonstop
        SAT 12:08 AM
        Atlanta - San Antonio | Tue, Sep 22 | Delta Air Lines
        SAT 5:30 AM
        2h 23m
        Nonstop
        ATL 8:53 AM
        San Antonio - Atlanta | Sat, Sep 26 | Delta Air Lines
        $215 $229
        6% off
        6% off
        $229 $215
      • ATL 3:41 PM
        18h 27m
        1 stop
        SAT 9:08 AM
        Atlanta - San Antonio | Thu, Oct 22 | Frontier Airlines
        SAT 7:56 PM
        7h 55m
        1 stop
        ATL 4:51 AM
        San Antonio - Atlanta | Thu, Oct 29 | Frontier Airlines
        $171 $229
        25% off
        25% off
        $229 $171
      • ATL 8:20 PM
        13h 50m
        1 stop
        SAT 9:10 AM
        Atlanta - San Antonio | Thu, Sep 17 | Frontier Airlines
        SAT 10:05 AM
        8h 8m
        1 stop
        ATL 7:13 PM
        San Antonio - Atlanta | Mon, Sep 21 | Frontier Airlines
        $172
        25% off
        $229 $172
      • ATL 6:00 AM
        5h 36m
        1 stop
        SAT 10:36 AM
        Atlanta - San Antonio | Wed, Sep 16 | American Airlines
        SAT 12:15 PM
        5h 31m
        1 stop
        ATL 6:46 PM
        San Antonio - Atlanta | Wed, Sep 23 | American Airlines
        $177
        23% off
        $229 $177
      • ATL 9:23 PM
        25h 23m
        1 stop
        SAT 9:46 PM
        Atlanta - San Antonio | Wed, Oct 14 | Frontier Airlines
        SAT 10:34 AM
        26h 18m
        1 stop
        ATL 1:52 PM
        San Antonio - Atlanta | Wed, Oct 21 | Frontier Airlines
        $179
        22% off
        $229 $179
      • ATL 6:41 AM
        13h 44m
        1 stop
        SAT 7:25 PM
        Atlanta - San Antonio | Fri, Sep 18 | Frontier Airlines
        SAT 10:05 AM
        8h 8m
        1 stop
        ATL 7:13 PM
        San Antonio - Atlanta | Mon, Sep 21 | Frontier Airlines
        $190
        17% off
        $229 $190
      • ATL 6:41 AM
        13h 44m
        1 stop
        SAT 7:25 PM
        Atlanta - San Antonio | Tue, Sep 15 | Frontier Airlines
        SAT 8:20 PM
        26h 50m
        1 stop
        ATL 12:10 AM
        San Antonio - Atlanta | Sat, Sep 19 | Frontier Airlines
        $192
        16% off
        $229 $192
      • ATL 9:18 PM
        17h 30m
        1 stop
        SAT 1:48 PM
        Atlanta - San Antonio | Fri, Sep 25 | Frontier Airlines
        SAT 10:05 AM
        8h 8m
        1 stop
        ATL 7:13 PM
        San Antonio - Atlanta | Fri, Oct 2 | Frontier Airlines
        $201
        12% off
        $229 $201
      • ATL 6:55 AM
        13h 30m
        1 stop
        SAT 7:25 PM
        Atlanta - San Antonio | Thu, Oct 29 | Frontier Airlines
        SAT 10:13 AM
        7h 38m
        1 stop
        ATL 6:51 PM
        San Antonio - Atlanta | Mon, Nov 2 | Frontier Airlines
        $205
        10% off
        $229 $205
      • ATL 5:29 PM
        6h 21m
        1 stop
        SAT 10:50 PM
        Atlanta - San Antonio | Tue, Sep 22 | American Airlines
        SAT 2:03 PM
        5h 41m
        1 stop
        ATL 8:44 PM
        San Antonio - Atlanta | Sat, Sep 26 | American Airlines
        $207
        10% off
        $229 $207
      • ATL 1:00 PM
        17h 25m
        1 stop
        SAT 2:00 PM
        Atlanta - San Antonio | Tue, Sep 15 | Normal Airline
        SAT 3:00 PM
        6h
        Nonstop
        ATL 4:00 PM
        San Antonio - Atlanta | Thu, Sep 17 | Normal Airline
        Find more flights
        Find more flights
      • ATL 8:33 AM
        30h 47m
        1 stop
        SAT 2:20 PM
        Atlanta - San Antonio | Tue, Sep 22 | Frontier Airlines
        $87 $245
        64% off
        64% off
        $245 $87
      • ATL 3:30 PM
        18h 37m
        1 stop
        SAT 9:07 AM
        Atlanta - San Antonio | Tue, Oct 6 | Frontier Airlines
        $94 $245
        62% off
        62% off
        $245 $94
      • ATL 7:59 PM
        24h 26m
        1 stop
        SAT 7:25 PM
        Atlanta - San Antonio | Mon, Sep 28 | Frontier Airlines
        $115 $245
        53% off
        53% off
        $245 $115
      • ATL 7:38 PM
        24h 47m
        1 stop
        SAT 7:25 PM
        Atlanta - San Antonio | Wed, Sep 23 | Frontier Airlines
        $115
        53% off
        $245 $115
      • ATL 7:57 PM
        24h 28m
        1 stop
        SAT 7:25 PM
        Atlanta - San Antonio | Sat, Oct 31 | Frontier Airlines
        $127
        48% off
        $245 $127
      • ATL 6:41 AM
        13h 44m
        1 stop
        SAT 7:25 PM
        Atlanta - San Antonio | Thu, Sep 24 | Frontier Airlines
        $230
        6% off
        $245 $230
      • ATL 1:00 PM
        17h 25m
        1 stop
        SAT 2:00 PM
        Atlanta - San Antonio | Tue, Sep 15 | Normal Airline
        Find more flights
        Find more flights

Flight.News
Flights from Atlanta to San Antonio operate an average of 37 times per day over the past 7 days, with a 57.9% on-time departure rate and a 85.2% on-time arrival rate.

Which airlines are the most popular for Atlanta to San Antonio flights?

You can choose from 1 airlines that fly from Atlanta to San Antonio, including Delta Air Lines, Frontier Airlines has lowest fares on this route.
Delta Air Lines logo Delta Air Lines
Airlines are determined based on actual purchased flight tickets from Atlanta to San Antonio according to previous 12 months data from Trip.com.

Flight Info | Atlanta to San Antonio

The distance between Atlanta and San Antonio is approximately 1,404.35 km. It takes around 2 hours 39 minutes on average to fly from Atlanta to San Antonio. Based on Trip.com's data travel demand peaks in January. The off-season for travel is September.

Cheapest one-way flight price $87
Cheapest round-trip ticket price $171
Off-season for travel September
Peak season for travel January
Flight distance 1,404.35 km
Average flight time 2 hours 39 minutes
Popular airline Delta Air Lines
Frequency ～28/week
Flight statistics for the Atlanta–San Antonio route are based on aggregated booking data from Trip.com over the past 12 months.

Trip.com price insights on flights from Atlanta to San Antonio

Which month has the cheapest one-way flights from Atlanta to San Antonio?

The average price of one-way flights from Atlanta to San Antonio purchased by Trip.com users by month over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Atlanta to San Antonio is January, with an average price of $121; while the month with the highest flight price is usually August, with an average price of up to $611.

$611
$366
$121
0
    Cheapest
  • $152
    Sep
  • $156
    Oct
  • $253
    Nov
  • $169
    Dec
  • $121
    Jan
  • $127
    Feb
  • $217
    Mar
  • $556
    Apr
  • $165
    May
  • $329
    Jun
  • $338
    Jul
  • $611
    Aug

When is the cheapest day to fly from Atlanta to San Antonio during Columbus Day?

Data is based on the lowest one-way price from Atlanta to San Antonio during Columbus Day on Trip.com in the past 3 days.

Columbus Day is scheduled for Oct 12. The cheapest flights from Atlanta to San Antonio are available on Oct 9, with fares starting at $110.

$136
$123
$110
$97
  • $131
    8
    Oct
  • $110
    9
  • $126
    10
  • $133
    11
  • $134
    12
  • $136
    13
  • $119
    14

Frequently Asked Questions

  • What are the cheapest flights from Atlanta to San Antonio (ATL-SAT)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as $87 on Cheapest nonstop routes (e.g. ATL to SAT on Tue, Sep 22), while Frontier Airlines offers Cheapest nonstop round-trips from $171 departing on Thu, Oct 22 and returning on Thu, Oct 29.
  • At the moment, you can catch a nonstop flight from Atlanta to San Antonio with the following airlines, including: Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 2 hours 39 minutes to fly from Atlanta (ATL) to San Antonio (SAT).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Atlanta to San Antonio is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 47 flight per week flying from Atlanta to San Antonio. You can check the weekly schedule for popular airlines on this route below: Delta Air Lines: S/M/T/W/T/F/S -- DL1408 (11:35)
  • To find best deals on flights from Atlanta to San Antonio, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Tue, Sep 22, with one-way flights priced at just $87.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Frontier Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for San Antonio travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Atlanta to San Antonio is September, when demand for travel is lower.
  • After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Atlanta to San Antonio on September 17, 2026 with Frontier Airlines, with prices starting at $172.
  • You can arrive at any of the following airports in San Antonio: San Antonio International Airport (SAT), and Kelly Field Annex/Lackland Air Force Base (SKF). Flights from Hartsfield–Jackson Atlanta International Airport to San Antonio International Airport (ATL-SAT) are by far the most popular option for this route.
  • The time difference between San Antonio and Atlanta is 1h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Atlanta to San Antonio is $228. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Atlanta to San Antonio is $375. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Atlanta and San Antonio, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.
  • Frontier Airlinesare the most popular budget airlines flying from Atlanta to San Antonio. Check baggage, seat and payment fees before comparing the final price.

Explore More Popular Flights

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.