How far is Houston, TX, from San Antonio, TX?
The distance between San Antonio (San Antonio International Airport) and Houston (Houston George Bush Intercontinental Airport) is 191 miles / 307 kilometers / 166 nautical miles.
The driving distance from San Antonio (SAT) to Houston (IAH) is 216 miles / 347 kilometers, and travel time by car is about 3 hours 54 minutes.
San Antonio International Airport – Houston George Bush Intercontinental Airport
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Distance from San Antonio to Houston
There are several ways to calculate the distance from San Antonio to Houston. Here are two standard methods:
Vincenty's formula (applied above)- 190.550 miles
- 306.661 kilometers
- 165.583 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 190.206 miles
- 306.106 kilometers
- 165.284 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
How long does it take to fly from San Antonio to Houston?
The estimated flight time from San Antonio International Airport to Houston George Bush Intercontinental Airport is 51 minutes.
What is the time difference between San Antonio and Houston?
There is no time difference between San Antonio and Houston.
Flight carbon footprint between San Antonio International Airport (SAT) and Houston George Bush Intercontinental Airport (IAH)
On average, flying from San Antonio to Houston generates about 53 kg of CO2 per passenger, and 53 kilograms equals 117 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from San Antonio to Houston
See the map of the shortest flight path between San Antonio International Airport (SAT) and Houston George Bush Intercontinental Airport (IAH).
Airport information
| Origin | San Antonio International Airport |
|---|---|
| City: | San Antonio, TX |
| Country: | United States  |
| IATA Code: | SAT |
| ICAO Code: | KSAT |
| Coordinates: | 29°32′1″N, 98°28′11″W |
| Destination | Houston George Bush Intercontinental Airport |
|---|---|
| City: | Houston, TX |
| Country: | United States |
| IATA Code: | IAH |
| ICAO Code: | KIAH |
| Coordinates: | 29°59′3″N, 95°20′29″W |
Airlines flying from San Antonio (SAT) to Houston (IAH)
| United Airlines |