Flight
Driving
Troy to San Antonio
Updated: 28 May 2026
The journey from Troy, Missouri to San Antonio, Texas covers approximately 1,000 miles. You will travel southwest through the heart of the country, passing through Oklahoma and central Texas. Driving via I-44 and I-35 is the most direct route. Alternatively, you can fly from St. Louis Lambert International Airport to San Antonio International Airport. The drive takes about 15 hours, while flights are roughly 3 hours. San Antonio is renowned for its rich history and the famous River Walk.
Total Distance: Driving distance 1,600 km, straight-line air distance 1,350 km.
Fastest Way
A flight with a short connection is the fastest way to arrive.
Cheapest Way
Driving is the most cost-effective for families.
Compare Troy to San Antonio Routes
|
Connecting
|
Direct
|
|
|---|---|---|
| Duration | 3 hours | 15 hours |
| Avg Price | $170 - $500 | $200 in fuel |
| Operator | Southwest Airlines | Personal Vehicle |
| Route | STL to SAT via Dallas or Houston. | I-44 W to I-35 S through Tulsa, Dallas, and Austin. |
| Tip | Connecting flights are common; check for layover times. | The stretch between Austin and San Antonio is prone to heavy traffic. |
Travel Tips
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TrafficAvoid I-35 during rush hour in San Antonio.
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ParkingUse public parking garages near the River Walk.
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WeatherCarry sunscreen as the Texas sun is very strong.
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DiningEnjoy authentic Tex-Mex cuisine at local restaurants.
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NavigationUse a GPS to navigate the city's complex highway loops.
Safety Tips
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Road SafetyWatch for construction zones on I-35.
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City SafetyStay in well-lit areas when walking downtown at night.
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Vehicle PrepCheck your tire pressure before the long drive.
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Emergency PrepKeep a first aid kit in your vehicle.
People Also Ask
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Is there a direct flight from St. Louis to San Antonio?Direct flights are rare; most require a connection.
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How long is the drive from Troy to San Antonio?The drive takes about 15 hours depending on traffic.
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What is the best way to get around San Antonio?The city is best explored by car or via the river taxi.
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Are there tolls in San Antonio?Yes, there are some toll roads in the surrounding area.
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What is the best time to visit San Antonio?Fall and spring offer the most pleasant weather.
Quick Info
- From Troy, Missouri, United States
- To San Antonio, Texas, United States
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Modes
Best Time to Travel
October to April is the best time to visit to avoid the intense summer heat.
Things to Do in San Antonio
1
The Alamo
Visit the historic mission and fortress where the famous battle took place. It is a symbol of Texas independence.
2
San Antonio River Walk
Stroll along the river lined with restaurants, shops, and historic sites. It is the city's most popular attraction.
3
San Antonio Missions National Historical Park
Explore the four Spanish colonial missions that are part of a UNESCO World Heritage site.
4
Tower of the Americas
Get a panoramic view of the city from the top of this 750-foot tower. It offers the best vantage point in San Antonio.
Tags
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