United Airlines
Star Alliance
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United States
San Antonio International Airport
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United States
George Bush Intercontinental Airport
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Scan through all non-stop flights from San Antonio to Houston. The full flight schedule below gives an overview of all non-stop flights from SAT to IAH, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Houston is a humid subtropical or warm-temperate destination, featuring hot, humid summers with temperatures typically around 30°C (86°F) and mild to cool winters. The region is known for consistent rainfall throughout the year, peaking in summer. The area is known for its vibrant urban energy, diverse landscapes, and numerous outdoor activities.
You can visit Houston any time of the year, but the best months to explore are from to and from to .

Currently, there is only one airline operating non-stop flights from San Antonio SAT to Houston IAH, which is United Airlines. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their SAT IAH flight schedule.
Flights from SAT to IAH are operated 56 times a week, with an average of 8 flights per day. Departure times vary between 05:30 - 19:35. The earliest flight departs at 05:30, the last flight departs at 19:35. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from San Antonio to Houston takes 1 hour. The flight distance between San Antonio and Houston is 190 miles (or 306 km).
There are 2 airports in Houston: George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU).
There are 56 flights per week flying from San Antonio to Houston (as of April 2026).
1 hour is the average flight time from San Antonio to Houston.
The distance from San Antonio to Houston is 190 miles (306 kilometers).
United Airlines is the only airline flying nonstop from San Antonio to Houston.
Star Alliance is currently the only alliance flying nonstop from San Antonio to Houston.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from San Antonio to Houston:
The earliest flight departs at 05:30 from San Antonio and arrives at 06:40 at Houston.
The latest flight departs at 19:35 from San Antonio and arrives at 20:48 at Houston.
190 miles (306 km) · 1h
05:30
06:40
United Airlines
Star Alliance
UA 6112
United Airlines
Embraer 175
Y
W
J
F
05:30
06:35
United Airlines
Star Alliance
UA 495
United Airlines
Airbus A319
Y
W
J
F
05:30
06:40
United Airlines
Star Alliance
UA 5870
United Airlines
Embraer 175
Y
W
J
F
05:30
06:38
United Airlines
Star Alliance
UA 6259
United Airlines
Embraer 175
Y
W
J
F
07:37
08:44
United Airlines
Star Alliance
UA 410
United Airlines
Boeing 737-700
Y
W
J
F
07:40
08:47
United Airlines
Star Alliance
UA 410
United Airlines
Boeing 737-700
Y
W
J
F
09:40
10:42
United Airlines
Star Alliance
UA 753
United Airlines
Airbus A320-100/200
Y
W
J
F
09:40
10:42
United Airlines
Star Alliance
UA 753
United Airlines
Airbus A319
Y
W
J
F
09:40
10:42
United Airlines
Star Alliance
UA 753
United Airlines
Airbus A320-100/200
Y
W
J
F
09:52
11:00
United Airlines
Star Alliance
UA 753
United Airlines
Boeing 737-800
Y
W
J
F
11:45
12:47
United Airlines
Star Alliance
UA 1282
United Airlines
Airbus A319
Y
W
J
F
11:46
12:47
United Airlines
Star Alliance
UA 1282
United Airlines
Airbus A319
Y
W
J
F
11:46
12:47
United Airlines
Star Alliance
UA 1282
United Airlines
Airbus A319
Y
W
J
F
11:46
12:54
United Airlines
Star Alliance
UA 6246
United Airlines
Embraer 175
Y
W
J
F
11:46
12:47
United Airlines
Star Alliance
UA 1282
United Airlines
Airbus A319
Y
W
J
F
14:14
15:22
United Airlines
Star Alliance
UA 1571
United Airlines
Boeing 737-900
Y
W
J
F
14:14
15:22
United Airlines
Star Alliance
UA 1571
United Airlines
Boeing 737-900
Y
W
J
F
14:14
15:22
United Airlines
Star Alliance
UA 1571
United Airlines
Boeing 737-800
Y
W
J
F
14:14
15:22
United Airlines
Star Alliance
UA 1571
United Airlines
Boeing 737-900
Y
W
J
F
14:25
15:34
United Airlines
Star Alliance
UA 4044
United Airlines
Embraer 175
Y
W
J
F
16:10
17:12
United Airlines
Star Alliance
UA 404
United Airlines
Airbus A319
Y
W
J
F
16:17
17:25
United Airlines
Star Alliance
UA 404
United Airlines
Boeing 737 MAX 9
Y
W
J
F
18:02
19:10
United Airlines
Star Alliance
UA 515
United Airlines
Boeing 737-900
Y
W
J
F
18:02
19:10
United Airlines
Star Alliance
UA 515
United Airlines
Airbus A319
Y
W
J
F
18:02
19:10
United Airlines
Star Alliance
UA 515
United Airlines
Airbus A319
Y
W
J
F
18:02
19:10
United Airlines
Star Alliance
UA 515
United Airlines
Boeing 737-800
Y
W
J
F
18:02
19:10
United Airlines
Star Alliance
UA 515
United Airlines
Airbus A319
Y
W
J
F
18:02
19:10
United Airlines
Star Alliance
UA 515
United Airlines
Boeing 737-900
Y
W
J
F
18:02
19:10
United Airlines
Star Alliance
UA 515
United Airlines
Airbus A319
Y
W
J
F
18:02
19:10
United Airlines
Star Alliance
UA 515
United Airlines
Boeing 737-900
Y
W
J
F
18:02
19:10
United Airlines
Star Alliance
UA 515
United Airlines
Airbus A319
Y
W
J
F
18:02
19:10
United Airlines
Star Alliance
UA 515
United Airlines
Boeing 737-900
Y
W
J
F
18:02
19:10
United Airlines
Star Alliance
UA 515
United Airlines
Airbus A319
Y
W
J
F
18:02
19:10
United Airlines
Star Alliance
UA 515
United Airlines
Boeing 737-800
Y
W
J
F
18:02
19:10
United Airlines
Star Alliance
UA 515
United Airlines
Boeing 737 MAX 8
Y
W
J
F
19:10
20:19
United Airlines
Star Alliance
UA 6254
United Airlines
Embraer 175
Y
W
J
F
19:15
20:24
United Airlines
Star Alliance
UA 2654
United Airlines
Boeing 737-800
Y
W
J
F
19:15
20:24
United Airlines
Star Alliance
UA 2654
United Airlines
Boeing 737-800
Y
W
J
F
19:15
20:24
United Airlines
Star Alliance
UA 2654
United Airlines
Airbus A320-100/200
Y
W
J
F
19:15
20:24
United Airlines
Star Alliance
UA 2654
United Airlines
Boeing 737 MAX 9
Y
W
J
F
19:15
20:24
United Airlines
Star Alliance
UA 2654
United Airlines
Boeing 737-800
Y
W
J
F
19:15
20:24
United Airlines
Star Alliance
UA 2654
United Airlines
Boeing 737-800
Y
W
J
F
19:15
20:24
United Airlines
Star Alliance
UA 2654
United Airlines
Boeing 737-800
Y
W
J
F
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