Direct flights from Houston to San Antonio IAH → SAT

United Airlines operates nonstop flights from Houston (IAH) to San Antonio (SAT). The nonstop flight takes around ~0h 23m, covering 190 miles (306 km) and operates multiple daily. Updated 29 June 2026.

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United Airlines UA

Departure Schedule next 7 days

More nonstops from Houston

IAH → DFW Dallas-Fort Worth 9 airlines IAH → AUS Austin 6 airlines IAH → CLT Charlotte 6 airlines IAH → LAX Los Angeles 6 airlines IAH → ORD Chicago 6 airlines IAH → ATL Atlanta 5 airlines IAH → DTW Detroit 5 airlines IAH → MSY New Orleans 5 airlines

Frequently asked questions

Is there a direct flight from Houston to San Antonio?

Yes, United Airlines operates nonstop flights from Houston (IAH) to San Antonio (SAT).

Which airlines fly direct from Houston to San Antonio?

United Airlines operates nonstop flights from Houston to San Antonio.

How long is the flight from Houston to San Antonio?

The nonstop flight from Houston to San Antonio takes ~0h 23m (approximately 306 km).

How often do direct flights operate from Houston to San Antonio?

Nonstop flights from Houston to San Antonio operate multiple daily.

Explore More

IAH All direct flights from Houston 🗓 Find cheapest round-trip dates → SAT All direct flights from San Antonio SAT → IAH Return: San Antonio to Houston
Cheap direct deals from Houston — last one was $281 to Austin