Idaho Falls to San Antonio: Road Trip Guide & Distance

1224.5 miles 1970.6 km · straight line
1524.5 miles actual route 2453.4 km · driving distance
27h 39min estimated drive time
$147 - $181 estimated fuel cost
~2h 58min flight time
138° SE bearing direction

How far is Idaho Falls from San Antonio?

The distance from Idaho Falls to San Antonio is 1224.5 miles (1970.6 km) as the crow flies. San Antonio is located SE of Idaho Falls. By car, the driving distance is approximately 1524.5 miles, taking about 27h 39min. A direct flight would take roughly 2h 58min. Both are located in United States — Idaho Falls in Idaho and San Antonio in Texas.

This is a serious multi-day road trip! We strongly recommend breaking this journey up with an overnight stay to ensure you arrive safely and refreshed. Heading East means you'll be driving into the sunrise if you start early. Keep your windshield clean for the best visibility. For a trip of this distance, flying is significantly faster. However, driving offers the flexibility to explore stops along the way.

Coordinates come from public place data for Idaho Falls and San Antonio. The driving distance uses an OSRM road-route result when route data is available. Fuel, flight, bus, and train values are planning estimates and can change by date, provider, road closures, and border rules.

How to Get from Idaho Falls to San Antonio

Method Time Est. Cost Best For
Drive 27h 39min $147 - $181 Flexible stops
Fly ~2h 58min $80–200* Speed
Bus ~33h 11min $122–$229* Budget
Train ~35h 57min $183–$534* Comfort

Suggested Stops Between Idaho Falls & San Antonio

Quick Facts

Idaho Falls
43.47°N, 112.03°W
America/Boise
1434m elevation
San Antonio
29.42°N, 98.49°W
America/Chicago
198m elevation
Explore more routes from San Antonio

Did You Know?

  • At walking speed (3 mph), it would take about 408 hours of non-stop walking
  • By bicycle at 12 mph, the journey would take roughly 102 hours
  • You could travel this distance about 20.3 times to circle the Earth's equator
Data Sources & Estimate Notes GeoNames · OpenStreetMap · OSRM