Routes · From IAH

Houston (IAH) to San Antonio (SAT) flights

Nonstop from George Bush Intercontinental to San Antonio International Airport: distance, flying time, which airlines fly it and how often.

Distance

306km

190 mi, great circle

Flying time

1h 04m

typical, gate to gate

Flights a day

9.7

average, November 2026

Airlines

passenger airlines

Airlines flying IAH to SAT

United Airlines

Route map

The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.

Cheapest recent fare

Fares found in recent searches load here. You can also compare IAH to SAT fares by month.

Both directions

San Antonio International Airport (SAT) · we don't have SAT's route list yet
All nonstop routes from Houston (IAH)
IAH to SAT on the flight-path tool

Related guides

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Closest Airport to Galveston Cruise Terminal: IAH vs HOU

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October 15, 2026

Frequently asked questions

How long is the flight from Houston to San Antonio?

About 1h 04m gate to gate for the 306 km (190 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.

Which airlines fly nonstop from IAH to SAT?

United Airlines, with about 9.7 flights a day between them in our data (AeroDataBox, November 2026).