Route guide
Cheap Flights from Atlanta to San Antonio: Book Airline Tickets
- Distance
- about 870 mi
- Typical flight time
- 2 h – 3 h
- Airports
- 1 × 1
- Time difference
- 1 h behind
This page covers the practical side of flying between Atlanta and San Antonio: which airports to compare, how long the trip takes, and when it is busy. It works for either direction. For a price on your dates, ask a specialist.
Quick answer: Atlanta to San Antonio is about 870 miles (1,400 km) and a typical flight takes 2 h to 3 h. San Antonio is 1 hour behind Atlanta. Atlanta has 1 airport to compare and San Antonio has 1.
Airport pairs to compare
Atlanta's airport is one of the busiest in the world and acts as a major connecting hub for the Southeast. San Antonio's airport is north of downtown and straightforward to use.
| Pair | Departure airport | Arrival airport |
|---|---|---|
| ATL to SAT | Hartsfield-Jackson Atlanta International | San Antonio International |
About the airports
- ATL · Hartsfield-Jackson Atlanta International
One of the world's busiest airports and a major connecting hub, with a rail line to downtown and midtown. - SAT · San Antonio International
The main airport, north of downtown.
Airlines with a major base at either end
- At Atlanta: Delta Air Lines, Southwest Airlines
Airlines with a base at one end often connect through their hub. A specialist can compare nonstop and connecting options on your dates.
When to go and what to expect
Atlanta
Spring and fall are mild. Summers are hot and humid with frequent afternoon storms.
San Antonio
Spring and fall are the most comfortable seasons. Summers are hot, and winters are mild.
How long is Atlanta to San Antonio?
At about 870 miles, Atlanta to San Antonio is a short-to-medium flight. Fares on routes this length are sensitive to the day of the week and the time of day, so check a few departure times before you settle.
Time zones and timing
San Antonio is 1 hour behind Atlanta, so you land at a local time 1 hour earlier than departure time plus flight time would suggest. Plan your arrival day around local time at the destination.
Getting between the airport and town
Atlanta: MARTA rail runs from the airport terminal to downtown and midtown, which is often faster than road traffic at peak hours.
San Antonio: Rental cars, taxis and ride-hail are the most common ways into the city. City buses also serve the airport.
Planning ground transport too? See our car rental guide.
Good to know
- Because it is such a large connecting point, give yourself more time between flights here. The terminals are linked by an underground train.
- Thunderstorms in spring and summer can cause delays, so leave extra connection time in those seasons.
- Compare the total with bags included, not just the base fare. See baggage fees and taxes and fees.
Flying San Antonio to Atlanta?
This route guide works in both directions. For other trips, see all flights from Atlanta or all flights from San Antonio.
Frequently asked questions
How far is Atlanta from San Antonio?
The straight-line distance between the main airports is about 870 miles (1,400 km). Routes can be longer in practice because of air traffic and weather.
How long is a flight from Atlanta to San Antonio?
A typical scheduled flight takes roughly 2 h to 3 h in the air, depending on winds, the aircraft and the airports. Connecting itineraries take longer, and nonstop availability depends on the airline and dates.
Which airports can I use?
At Atlanta: ATL (Hartsfield-Jackson Atlanta International). At San Antonio: SAT (San Antonio International). Ask for prices on more than one pairing.
Is there a time difference?
San Antonio is 1 hour behind Atlanta.
When is the best time to fly from Atlanta to San Antonio?
In Atlanta: Spring and fall are mild. Summers are hot and humid with frequent afternoon storms. In San Antonio: Spring and fall are the most comfortable seasons. Summers are hot, and winters are mild. Fares are usually highest in the busy periods described for each city, so flexible dates can help.
Which airlines should I compare for Atlanta to San Antonio?
Airlines with a major base at either end include Delta Air Lines and Southwest Airlines. A specialist compares them with other carriers on your dates, since schedules and availability change.
Do you show fares on this page?
No. Fares change constantly, so we do not publish prices that might be out of date. A specialist checks live availability and confirms the full total, including taxes and bags, before you pay.
Route details updated October 18, 2026.