South Riding
South Riding
San Antonio
San Antonio
Flight Driving

South Riding to San Antonio

Updated: 28 May 2026

Traveling from South Riding to San Antonio involves crossing the heart of the American South. By car, you will cover roughly 2,400 kilometers via I-81 and I-10. This route takes you through Tennessee, Alabama, and Louisiana. Alternatively, flying from Dulles (IAD) to San Antonio International (SAT) takes about 3 hours of air time. The drive is scenic but requires at least two days of travel.

Total Distance: Driving distance 2,400 km, straight-line air distance 2,000 km.
Fastest Way
Direct flight from IAD to SAT.
Cheapest Way
Driving is cheaper if traveling with more than one person.
Compare South Riding to San Antonio Routes
Flight
Direct
Driving
Direct
Duration 3 hours 30 mins 22 hours
Avg Price $250 - $500 $300 in fuel
Operator United Airlines Personal Vehicle
Route IAD to SAT. I-66 W to I-81 S to I-10 W.
Tip Book at least 21 days in advance for the lowest fares. Stop in Birmingham for authentic Southern barbecue.
Travel Tips
  • Tolls
    Carry an E-ZPass for the Virginia and East Coast segments.
  • Traffic
    Avoid I-66 during morning rush hour.
  • Weather
    San Antonio summers are extremely hot; carry water.
  • Parking
    Use the city parking garages near the River Walk.
  • Dining
    Try the Tex-Mex cuisine at local spots.
Safety Tips
  • Road Safety
    Watch for heavy truck traffic on I-81.
  • Heat
    Never leave pets in a parked car in Texas.
  • Navigation
    Download offline maps for rural stretches of I-10.
  • Emergency
    Keep a roadside emergency kit in your trunk.
People Also Ask
  • Is it a long drive?
    Yes, it takes over 20 hours of driving time.
  • Are there direct flights?
    Yes, United offers direct flights from IAD.
  • What is the best route?
    I-81 South to I-10 West is the standard path.
  • Is San Antonio safe?
    The tourist areas are generally safe and well-patrolled.
  • Do I need a car?
    A car is highly recommended for exploring the city.
Quick Info
  • From South Riding, Virginia, United States
  • To San Antonio, Texas, United States
  • Modes
Best Time to Travel

March to May for pleasant temperatures before the summer heat.

Things to Do in San Antonio
1
The Alamo
Historic mission and fortress. Entry is free but requires a timed reservation.
2
River Walk
A network of walkways along the San Antonio River. Lined with restaurants and shops.
3
San Antonio Missions
UNESCO World Heritage site. Explore the four historic missions south of downtown.
4
Tower of the Americas
Observation deck offering 360-degree views of the city.
Tags
South Riding to San Antonio driving to Texas from Virginia flights IAD to SAT road trip Virginia to Texas San Antonio travel guide best way to reach San Antonio I-81 to I-10 route travel time Virginia to San Antonio