How Long Is the Drive from Atlanta to San Antonio?
The drive from Atlanta to San Antonio takes approximately 19h 4min, covering 1145 miles via I-85. Under normal conditions, expect to spend around $133 on gas.
Travel time can vary — during peak hours, weekends, or holidays, the journey may take 27–28+ hours. For the fastest trip, leave early morning (before 7 AM) or travel on weekday evenings.
Traffic Estimate
🟢 Light traffic
16h 12m
🔵 Typical
19h 4min
🔴 Heavy traffic
27h 39m
Traffic is usually worst during weekday rush hours (7–9 AM, 4–7 PM) and holiday weekends.
Trip Details
Distance1145 miles (1842 km)
Drive Time19h 4min
RouteI-85
Best TimeEarly morning (6-8 AM)
Fuel Costs
Gas (30 mpg)~38.2 gallons
Est. Cost$133
Route Tips: I-85
Connects the Southeast. Heavy traffic around Atlanta is common during rush hours.
You'll likely need 2 fuel stops along the way.
Best Time to Drive from Atlanta to San Antonio
For a long drive like Atlanta to San Antonio, plan to depart early in the morning. This lets you cover most of the distance before afternoon traffic builds up. Consider breaking the trip with a lunch stop midway.
🟢 Best:Early morning (6-8 AM)
🔴 Avoid:Rush hour (4-7 PM)
Driving vs Flying
🚗 Driving
19h 4min
~$133 gas
✈️ Flying
4h 47m
~$172–$401 flight
✈️ Flying is faster when you factor in airport time. Flight time is ~2h 17m but add ~2.5 hours for check-in, security, and boarding.
All Travel Options
🚗 Drive
19h 4min
~$133
🚌 Bus
25h 27m
~$92–$206
🚂 Train
20h 49m
~$137–$344
Estimated times and prices. Bus/train availability varies by route. Driving gives the most flexibility for stops and schedules.
Suggested Stops
Popular cities along the route for rest, food, or fuel:
📍 Jackson
📍 New Orleans
📍 Shreveport
Frequently Asked Questions
How long does it take to drive from Atlanta to San Antonio?
The drive from Atlanta to San Antonio takes approximately 19h 4min covering 1145 miles via I-85. Actual time may vary based on traffic, weather, and road conditions.
How much does gas cost for Atlanta to San Antonio?
At 30 MPG and $3.50/gallon, expect to spend approximately $133 on gas for this 1145-mile trip. You'll need about 38.2 gallons of fuel.
What is the best time to drive from Atlanta to San Antonio?
Early morning (6-8 AM) to avoid heavy traffic. Weekday mornings before 7 AM or evenings after 7 PM typically have less congestion.
Are there tolls on the Atlanta to San Antonio route?
Yes, expect approximately $34 in tolls along this route. Consider getting a TxTag transponder for faster toll payment.
