Nonstop flights from San Antonio to Houston

United Airlines flies this route 7 to 8 times a day.

SATSan Antonio International

191 mi · 53 flights a week

IAHHouston George Bush Intercontinental

SATIAH

When they leave

San Antonio time

5:30a7:20pFirst departure 5:30 AM, last 7:20 PM

Five in the morning, 5:30 AM to 11:43 AM, then three in the afternoon, 12:00 PM to 4:12 PM, then three in the evening, 5:57 PM to 7:20 PM.

Every flight

Earliest first

5:30 AM→6:37 AMUnited AirlinesBoeing 737Mon, Fri, Sat, Sun
5:30 AM→6:33 AMUnited AirlinesAirbus A320Tue, Wed, Thu
7:43 AM→8:50 AMUnited AirlinesBoeing 737Daily
9:30 AM→10:43 AMUnited AirlinesBoeing 737Tue, Wed, Thu
9:37 AM→10:44 AMUnited AirlinesAirbus A320Mon, Fri, Sat, Sun
11:43 AM→12:55 PMUnited AirlinesEmbraer 175Mon, Fri, Sat, Sun
12:00 PM→1:07 PMUnited AirlinesBoeing 737 MAX 9Tue, Wed, Thu
2:15 PM→3:27 PMUnited AirlinesEmbraer 175Mon, Fri, Sat, Sun
2:15 PM→3:24 PMUnited AirlinesEmbraer 175Tue, Wed, Thu
4:12 PM→5:25 PMUnited AirlinesBoeing 737Daily
5:57 PM→7:04 PMUnited AirlinesBoeing 737Mon, Fri, Sat, Sun
5:59 PM→7:10 PMUnited AirlinesBoeing 737Tue, Wed, Thu
7:20 PM→8:33 PMUnited AirlinesEmbraer 175Mon, Fri, Sun
7:20 PM→8:33 PMUnited AirlinesEmbraer 175Sat

Schedules last checked Sep 19, 2026. Times are local.

Flying from San Antonio to Houston

United Airlines is the only airline flying nonstop from San Antonio to Houston, 7 to 8 times a day on the Boeing 737, Embraer 175, Airbus A320 and Boeing 737 MAX 9.

There are 7 or 8 flights every day of the week. The first arrival in Houston is at 6:33 AM and the last at 8:33 PM. The flight covers 191 miles.

Flying back, Houston to San Antonio has 54 nonstop flights a week. From San Antonio, William P. Hobby (HOU) is the other Houston area airport with nonstop flights, 21 a week.