What is the best time to leave?

Early morning to avoid afternoon traffic in Dallas.

San Antonio

Dallas

Flight Driving

San Antonio to Dallas

Updated: 30 May 2026

The journey from San Antonio to Dallas covers approximately 450 kilometers. Driving is the most common method, taking about 4.5 to 5 hours via I-35 N. This route passes through Austin and Waco, offering plenty of stops along the way. Alternatively, you can fly from San Antonio International Airport (SAT) to Dallas/Fort Worth International Airport (DFW) for a quick 1-hour flight.

Total Distance: Driving distance 450 km; Air distance 400 km.

Fastest Way

Flying is the fastest, taking about 1 hour of flight time.

Cheapest Way

Driving is the most economical for groups.

Compare San Antonio to Dallas Routes

	Flight Direct	Driving Direct
Duration	1 hour	4 hours 30 mins
Avg Price	$150-$300	$50-$80 in fuel
Operator	American Airlines	Personal Vehicle
Route	SAT to DFW.	I-35 N.
Tip	Direct flights are frequent and very convenient.	Expect heavy traffic in Austin and the Dallas-Fort Worth metroplex.

Travel Tips

Traffic
Avoid I-35 during rush hour in Austin and Dallas.
Tolls
Some routes in the DFW area have tolls; use a TollTag.
Airport Access
DFW is a massive airport; allow extra time for terminal transfers.
Parking
Use ride-sharing in Dallas to avoid expensive downtown parking.
Weather
Texas weather can change quickly; check forecasts before you leave.

Safety Tips

Road Safety
Stay alert for high-speed traffic on I-35.
Vehicle Prep
Check your tires and fluids before a long drive.
Emergency Kit
Keep water and a phone charger in your car.
City Safety
Be aware of your surroundings when walking in downtown Dallas at night.