Collinsville
Collinsville
San Antonio
San Antonio
Flight Driving

Collinsville to San Antonio

Updated: 31 May 2026

The journey from Collinsville to San Antonio covers about 1,500 kilometers. Flying from St. Louis Lambert International Airport to San Antonio International Airport is the most practical option, taking 3 hours. Driving via I-44 West and I-35 South takes approximately 15 hours.

Total Distance: Driving distance 1,550 km, Air distance 1,350 km.
Fastest Way
Flight from STL to SAT, taking 3 hours.
Cheapest Way
Driving, especially if traveling with a group.
Compare Collinsville to San Antonio Routes
Flight
Direct
Driving
Direct
Duration 3 hours 15 hours
Avg Price $200 - $400 $220 - $320 in fuel
Operator Southwest Airlines Personal Vehicle
Route STL to SAT I-44 W to I-35 S
Tip The airport is well-connected to the city via public transit. Be prepared for heavy traffic in Dallas and San Antonio.
Travel Tips
  • Traffic
    Avoid driving through major cities during rush hour.
  • Dining
    Try the local Tex-Mex, which is a staple of San Antonio cuisine.
  • Walking
    The downtown area is very walkable.
  • Weather
    Pack layers, as the weather can be unpredictable.
  • Events
    Check the calendar for festivals and sporting events.
Safety Tips
  • Stay Aware
    Stick to well-lit areas at night.
  • Winter Safety
    Be cautious of icy roads during winter months.
  • Emergency
    Dial 911 for any emergency assistance.
  • Valuables
    Keep your belongings secure in public spaces.
People Also Ask
  • Is San Antonio safe?
    Yes, the tourist areas are generally safe.
  • Do I need a car?
    Not if you stay in the city center.
  • What is the best time to visit?
    Spring and Fall are the most comfortable.
  • Are there tolls?
    Yes, many parts of the route have tolls.
  • Is the Alamo worth it?
    Yes, the Alamo is world-renowned.
Quick Info
  • From Collinsville, Illinois, United States
  • To San Antonio, Texas, United States
  • Modes
Best Time to Travel

March to May or September to November for pleasant weather.

Things to Do in San Antonio
1
The Alamo
Visit the historic mission and fortress. It is a must-see attraction.
2
River Walk
Walk along the beautiful riverfront featuring shops and restaurants. It is a cultural gem.
3
San Antonio Missions
Explore the historic missions. It is a cultural gem.
4
Tower of the Americas
Enjoy the stunning views of the city. It is a vibrant experience.
Tags
driving to San Antonio I-35 road trip flights STL to SAT San Antonio travel guide vacation to San Antonio St. Louis to San Antonio cheapest way to San Antonio Texas travel tips