United Airlines
Star Alliance
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United States
San Antonio International Airport
Click to show full flight schedule
Scan through all non-stop flights from Houston to San Antonio. The full flight schedule below gives an overview of all non-stop flights from IAH to SAT, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
San Antonio 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 San Antonio 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 Houston IAH to San Antonio SAT, 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 IAH SAT flight schedule.
Flights from IAH to SAT are operated 56 times a week, with an average of 8 flights per day. Departure times vary between 07:20 - 21:54. The earliest flight departs at 07:20, the last flight departs at 21:54. 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 Houston to San Antonio takes 1 hour and 13 minutes. The flight distance between Houston and San Antonio is 190 miles (or 306 km).
There is 1 airport in San Antonio: San Antonio International Airport (SAT).
There are 56 flights per week flying from Houston to San Antonio (as of April 2026).
1 hour and 13 minutes is the average flight time from Houston to San Antonio.
The distance from Houston to San Antonio is 190 miles (306 kilometers).
United Airlines is the only airline flying nonstop from Houston to San Antonio.
Star Alliance is currently the only alliance flying nonstop from Houston to San Antonio.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from Houston to San Antonio:
The earliest flight departs at 07:20 from Houston and arrives at 08:27 at San Antonio.
The latest flight departs at 21:54 from Houston and arrives at 22:59 at San Antonio.
190 miles (306 km) · 1h 13m
07:35
08:42
United Airlines
Star Alliance
UA 2250
United Airlines
Airbus A320-100/200
Y
W
J
F
07:35
08:42
United Airlines
Star Alliance
UA 2250
United Airlines
Airbus A319
Y
W
J
F
07:35
08:42
United Airlines
Star Alliance
UA 2250
United Airlines
Airbus A320-100/200
Y
W
J
F
07:35
08:42
United Airlines
Star Alliance
UA 2250
United Airlines
Airbus A320-100/200
Y
W
J
F
07:35
08:42
United Airlines
Star Alliance
UA 2250
United Airlines
Airbus A319
Y
W
J
F
07:35
08:42
United Airlines
Star Alliance
UA 2250
United Airlines
Boeing 737-800
Y
W
J
F
09:40
10:47
United Airlines
Star Alliance
UA 1371
United Airlines
Airbus A319
Y
W
J
F
09:43
10:50
United Airlines
Star Alliance
UA 1371
United Airlines
Airbus A319
Y
W
J
F
09:43
10:50
United Airlines
Star Alliance
UA 4055
United Airlines
Embraer 175
Y
W
J
F
09:43
10:50
United Airlines
Star Alliance
UA 1371
United Airlines
Airbus A319
Y
W
J
F
11:55
13:08
United Airlines
Star Alliance
UA 468
United Airlines
Boeing 737-900
Y
W
J
F
11:55
13:08
United Airlines
Star Alliance
UA 468
United Airlines
Boeing 737-800
Y
W
J
F
11:55
13:08
United Airlines
Star Alliance
UA 468
United Airlines
Boeing 737-900
Y
W
J
F
12:02
13:16
United Airlines
Star Alliance
UA 4042
United Airlines
Embraer 175
Y
W
J
F
14:25
15:39
United Airlines
Star Alliance
UA 697
United Airlines
Airbus A320-100/200
Y
W
J
F
14:32
15:46
United Airlines
Star Alliance
UA 697
United Airlines
Airbus A320-100/200
Y
W
J
F
14:32
15:46
United Airlines
Star Alliance
UA 697
United Airlines
Airbus A320-100/200
Y
W
J
F
14:32
15:46
United Airlines
Star Alliance
UA 697
United Airlines
Airbus A320-100/200
Y
W
J
F
16:33
17:43
United Airlines
Star Alliance
UA 1407
United Airlines
Boeing 737-800
Y
W
J
F
16:33
17:43
United Airlines
Star Alliance
UA 1407
United Airlines
Boeing 737-800
Y
W
J
F
16:33
17:43
United Airlines
Star Alliance
UA 1407
United Airlines
Airbus A320-100/200
Y
W
J
F
16:33
17:43
United Airlines
Star Alliance
UA 1407
United Airlines
Boeing 737 MAX 9
Y
W
J
F
16:33
17:43
United Airlines
Star Alliance
UA 1407
United Airlines
Boeing 737-800
Y
W
J
F
16:35
17:45
United Airlines
Star Alliance
UA 6252
United Airlines
Embraer 175
Y
W
J
F
18:27
19:40
United Airlines
Star Alliance
UA 1477
United Airlines
Boeing 737-700
Y
W
J
F
18:35
19:48
United Airlines
Star Alliance
UA 1477
United Airlines
Boeing 737-700
Y
W
J
F
19:50
21:03
United Airlines
Star Alliance
UA 1542
United Airlines
Boeing 737-700
Y
W
J
F
19:50
21:03
United Airlines
Star Alliance
UA 1542
United Airlines
Boeing 737 MAX 9
Y
W
J
F
19:50
21:03
United Airlines
Star Alliance
UA 1542
United Airlines
Boeing 737-700
Y
W
J
F
19:50
21:03
United Airlines
Star Alliance
UA 1542
United Airlines
Boeing 737-900
Y
W
J
F
20:07
21:20
United Airlines
Star Alliance
UA 1542
United Airlines
Boeing 737-700
Y
W
J
F
21:53
22:59
United Airlines
Star Alliance
UA 4023
United Airlines
Embraer 175
Y
W
J
F
21:53
22:59
United Airlines
Star Alliance
UA 2198
United Airlines
Airbus A319
Y
W
J
F
21:53
22:59
United Airlines
Star Alliance
UA 4725
United Airlines
Embraer 175
Y
W
J
F
21:54
22:59
United Airlines
Star Alliance
UA 6118
United Airlines
Embraer 175
Y
W
J
F
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