Monument
Monument
San Antonio
San Antonio
Flight Driving

Monument to San Antonio

Updated: 28 May 2026

Traveling from Monument to San Antonio covers roughly 1,400 kilometers. The most direct route involves taking I-25 South through New Mexico into Texas, then connecting to I-35 South. This drive typically takes 14 hours. You will pass through major cities like Albuquerque and Austin. The route offers a scenic transition from the Rocky Mountains to the rolling hills of the Texas Hill Country.

Total Distance: 1,400 km driving, 1,250 km air distance.
Fastest Way
Flight from DEN to SAT is the fastest, taking 4 hours total.
Cheapest Way
Driving is the most cost-effective for families.
Compare Monument to San Antonio Routes
Flight
Connecting
Driving
Direct
Duration 4 hours 14 hours
Avg Price $200 - $400 $150 - $250 in fuel
Operator Southwest Airlines Personal Vehicle
Route DEN to SAT via Dallas or Houston. I-25 S to I-35 S via Albuquerque and Austin.
Tip Southwest offers two free checked bags, which is helpful for longer trips. Traffic in Austin can be heavy; plan to pass through during off-peak hours.
Travel Tips
  • Parking
    Use public parking garages near the River Walk to avoid high hotel fees.
  • Sun Protection
    The Texas sun is intense; wear sunscreen even in winter.
  • Navigation
    Download offline maps as cell service can be spotty in rural New Mexico.
  • Dining
    Try authentic Tex-Mex cuisine at local family-owned restaurants.
  • Events
    Check the city calendar for Fiesta San Antonio if visiting in April.
Safety Tips
  • Heat Safety
    Carry extra water in your vehicle during the summer months.
  • Road Conditions
    Check for construction on I-35 before departing.
  • Vehicle Prep
    Ensure your tires are inflated properly for long-distance highway driving.
  • Night Driving
    Avoid driving through rural stretches at night due to wildlife.
People Also Ask
  • Is I-35 busy?
    Yes, I-35 is one of the busiest corridors in Texas.
  • How far is it?
    It is approximately 1,400 kilometers from Monument.
  • Are there trains?
    Amtrak serves San Antonio, but there is no direct rail from Colorado.
  • What is the best time to visit?
    Spring and fall offer the most comfortable temperatures.
  • Is it a scenic drive?
    The stretch through New Mexico is particularly beautiful.
Quick Info
  • From Monument, Colorado, United States
  • To San Antonio, Texas, United States
  • Modes
Best Time to Travel

October to April to avoid the intense Texas summer heat.

Things to Do in San Antonio
1
The Alamo
Visit the historic mission and fortress. It is a central landmark in Texas history.
2
River Walk
Stroll along the San Antonio River. It features numerous restaurants, shops, and scenic views.
3
San Antonio Missions
Explore the UNESCO World Heritage site. These historic missions are spread along the river.
4
Pearl District
Enjoy the revitalized brewery complex. It offers high-end dining and a vibrant atmosphere.
Tags
Monument to San Antonio drive I-25 to I-35 route Colorado to Texas road trip San Antonio travel guide driving to San Antonio Monument CO to San Antonio TX best route to San Antonio Texas travel tips