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Distance between San Antonio, TX (SAT) and Houston, TX (IAH)

Flight distance from San Antonio to Houston (San Antonio International Airport – Houston George Bush Intercontinental Airport) is 191 miles / 307 kilometers / 166 nautical miles. Estimated flight time is 51 minutes.

Driving distance from San Antonio (SAT) to Houston (IAH) is 216 miles / 348 kilometers and travel time by car is about 3 hours 54 minutes.

San Antonio – Houston

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191
Miles
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307
Kilometers
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166
Nautical miles

How far is Houston from San Antonio?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common 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 earth.

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).

Flight Duration

Estimated flight time from San Antonio International Airport to Houston George Bush Intercontinental Airport is 51 minutes.

Time difference

There is no time difference between San Antonio and Houston.

Carbon dioxide emissions

On average flying from San Antonio to Houston generates about 53 kg of CO2 per passenger, 53 kilograms is equal to 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

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 Flag of 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 Flag of 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