Flights from Houston Flights to San Antonio

Direct flights from Houston to San Antonio

Did you mean flights from San Antonio to Houston?

Last updated on: 05-18-2026

Houston

United States

IAH

George Bush Intercontinental Airport

San Antonio

United States

SAT

San Antonio International Airport

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Flight schedule

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sa

Distance

190 miles · (306 km)

Flight time

1 hour and 14 minutes

Airlines

United Airlines

Alliances

Oneworld
SkyTeam
Star Alliance

Classes

Economy
Premium Economy
Business Class
First Class

Aircrafts

Airbus A319
Airbus A320-100/200
Boeing 737 MAX 8
Boeing 737 MAX 9
Boeing 737-700
Boeing 737-800
Boeing 737-900
Embraer 175

Houston to San Antonio 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.

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Return schedule

Best time to visit San Antonio

What is the best time to visit San Antonio?

🌺 💦 Humid Subtropical

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.

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You can visit San Antonio any time of the year, but the best months to explore are from to and from to .

San Antonio

SAT

Airlines flying from Houston to San Antonio

Airline-specific flight schedules from Houston to San Antonio

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.

United Airlines (UA)

United Airlines flight schedulefrom Houston to San Antonio

United Airlines is a member of Star Alliance

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Return schedule

Houston to San Antonio Flights

Flights from IAH to SAT are operated 53 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 14 minutes. The flight distance between Houston and San Antonio is 190 miles (or 306 km).

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Frequently asked questions - FAQ

How many airports are there in San Antonio?

There is 1 airport in San Antonio: San Antonio International Airport (SAT).

How many flights per week are there from IAH to SAT?

There are 53 flights per week flying from Houston to San Antonio (as of May 2026).

How long does it take to fly from Houston to San Antonio?

1 hour and 14 minutes is the average flight time from Houston to San Antonio.

How far is San Antonio from Houston?

The distance from Houston to San Antonio is 190 miles (306 kilometers).

What airlines fly nonstop from IAH airport to SAT airport?

United Airlines is the only airline flying nonstop from Houston to San Antonio.

What alliances have direct flights from Houston to San Antonio?

Star Alliance is currently the only alliance flying nonstop from Houston to San Antonio.

What classes are available from Houston to San Antonio?

You can fly non-stop in Economy and Business Class.

What aircraft types fly from Houston to San Antonio?

Aircraft types that fly from Houston to San Antonio:

Airbus A319
Airbus A320-100/200
Boeing 737 MAX 8
Boeing 737 MAX 9
Boeing 737-700
Boeing 737-800
Boeing 737-900
Embraer 175

What is the earliest flight departing from Houston to San Antonio?

The earliest flight departs at 07:20 from Houston and arrives at 08:27 at San Antonio.

What is the latest flight available from Houston to San Antonio?

The latest flight departs at 21:54 from Houston and arrives at 22:59 at San Antonio.

Popular flights from Houston, United States

Houston to Chicago

Houston to Dallas-Fort Worth

Houston to Atlanta

Houston to Los Angeles

Houston to Denver

Houston to New York City

Houston to Miami

Houston to Orlando

Houston to Newark

Houston to San Francisco

Houston to Las Vegas

Houston to Washington

Houston to Mexico City

Houston to Detroit

Show all flights from Houston Show all flights to San Antonio

Popular routes operated by United Airlines

Houston to Chicago

Houston to Denver

Houston to San Francisco

Houston to Newark

Houston to Los Angeles

Houston to San Antonio

San Antonio to Houston

Show all United Airlines flights

Popular flights from Houston via San Antonio

Houston to Dallas

Houston to Chicago

Houston to Torreón

Non-stop flights from IAH to SAT

190 miles (306 km) · 1h 14m

Round trip

1 passenger

Economy

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Depart
Arrive
Airline
Flight no
Aircraft
Classes

07:20
08:27
United Airlines

Star Alliance
UA 2250
United Airlines
Boeing 737-900
Y
W
J
F

07:20
08:27
United Airlines

Star Alliance
UA 2250
United Airlines
Boeing 737-900
Y
W
J
F

07:20
08:27
United Airlines

Star Alliance
UA 2250
United Airlines
Boeing 737-800
Y
W
J
F

07:35
08:42
United Airlines

Star Alliance
UA 2250
United Airlines
Boeing 737 MAX 8
Y
W
J
F

07:35
08:42
United Airlines

Star Alliance
UA 2250
United Airlines
Boeing 737-700
Y
W
J
F

09:39
10:46
United Airlines

Star Alliance
UA 6201
United Airlines
Embraer 175
Y
W
J
F

09:40
10:47
United Airlines

Star Alliance
UA 1371
United Airlines
Airbus A319
Y
W
J
F

12:02
13:16
United Airlines

Star Alliance
UA 468
United Airlines
Boeing 737-900
Y
W
J
F

12:08
13:17
United Airlines

Star Alliance
UA 6202
United Airlines
Embraer 175
Y
W
J
F

12:08
13:17
United Airlines

Star Alliance
UA 6202
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

14:25
15:39
United Airlines

Star Alliance
UA 697
United Airlines
Airbus A319
Y
W
J
F

14:25
15:39
United Airlines

Star Alliance
UA 697
United Airlines
Airbus A320-100/200
Y
W
J
F

14:31
15:39
United Airlines

Star Alliance
UA 697
United Airlines
Airbus A320-100/200
Y
W
J
F

14:31
15:39
United Airlines

Star Alliance
UA 697
United Airlines
Airbus A320-100/200
Y
W
J
F

14:31
15:39
United Airlines

Star Alliance
UA 697
United Airlines
Airbus A320-100/200
Y
W
J
F

14:31
15:39
United Airlines

Star Alliance
UA 697
United Airlines
Airbus A320-100/200
Y
W
J
F

16:35
17:45
United Airlines

Star Alliance
UA 6252
United Airlines
Embraer 175
Y
W
J
F

16:35
17:44
United Airlines

Star Alliance
UA 5379
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

18:42
19:50
United Airlines

Star Alliance
UA 1477
United Airlines
Boeing 737-700
Y
W
J
F

18:42
19:49
United Airlines

Star Alliance
UA 1477
United Airlines
Boeing 737-700
Y
W
J
F

18:42
19:50
United Airlines

Star Alliance
UA 1477
United Airlines
Boeing 737-700
Y
W
J
F

18:49
19:57
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

20:05
21:13
United Airlines

Star Alliance
UA 1542
United Airlines
Boeing 737-800
Y
W
J
F

20:05
21:13
United Airlines

Star Alliance
UA 1542
United Airlines
Boeing 737 MAX 9
Y
W
J
F

20:05
21:13
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

20:20
21:28
United Airlines

Star Alliance
UA 1542
United Airlines
Airbus A319
Y
W
J
F

21:40
22:42
United Airlines

Star Alliance
UA 2198
United Airlines
Airbus A319
Y
W
J
F

21:40
22:42
United Airlines

Star Alliance
UA 2198
United Airlines
Airbus A319
Y
W
J
F

21:42
22:44
United Airlines

Star Alliance
UA 2198
United Airlines
Airbus A319
Y
W
J
F

21:52
22:54
United Airlines

Star Alliance
UA 2198
United Airlines
Airbus A319
Y
W
J
F

21:52
22:54
United Airlines

Star Alliance
UA 2198
United Airlines
Airbus A319
Y
W
J
F

21:52
22:54
United Airlines

Star Alliance
UA 2198
United Airlines
Airbus A319
Y
W
J
F

21:54
22:59
United Airlines

Star Alliance
UA 6118
United Airlines
Embraer 175
Y
W
J
F

21:54
22:59
United Airlines

Star Alliance
UA 2064
United Airlines
Airbus A319
Y
W
J
F