$49+ Cheap flights from Houston to San Antonio (SAT)

One-way flight from Houston to San Antonio

Highest demand for flights based on searches. 21% potential increase in price ($88 potential increase over avg. RT price).

Cheapest flight prices on average. 7% potential price decrease ($23 potential savings vs. average RT price).

Average for round-trip flights in July 2025

Find flight deals from Houston to San Antonio

Cheapest flights from Houston to San Antonio
Explore the most affordable flight options available from Houston to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Sat 9/1311:00 amHOU - SAT

Nonstop1h 00mSouthwest

Sat 9/134:05 pmSAT - HOU

Nonstop1h 00mSouthwest

Deal found 7/28

$97

Sat 10/258:25 pmIAH - SAT

Nonstop1h 04mUnited Airlines

Sun 10/264:24 pmSAT - IAH

Nonstop1h 01mUnited Airlines

Deal found 7/29

$127

Sat 8/232:32 pmIAH - SAT

1 stop7h 40mAmerican Airlines

Sat 8/307:02 amSAT - IAH

1 stop6h 45mAmerican Airlines

Deal found 7/30

$183

Mon 10/2710:02 pmIAH - SAT

1 stop16h 02mSpirit Airlines

Sat 11/18:27 pmSAT - IAH

1 stop8h 52mSpirit Airlines

Deal found 7/29

$209

Thu 9/118:32 pmHOU - SAT

1 stop3h 14mAmerican Airlines

Thu 9/188:30 pmSAT - HOU

1 stop3h 18mAmerican Airlines

Deal found 7/27

$288

Best flights from Houston to San Antonio
Discover carefully curated flight deals from Houston to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2025.

Sat 9/1311:00 amHOU - SAT

Nonstop1h 00mSouthwest

Sat 9/134:05 pmSAT - HOU

Nonstop1h 00mSouthwest

Deal found 7/28

$97

Sat 10/258:25 pmIAH - SAT

Nonstop1h 04mUnited Airlines

Sun 10/264:24 pmSAT - IAH

Nonstop1h 01mUnited Airlines

Deal found 7/29

$127

Sat 8/232:32 pmIAH - SAT

1 stop7h 40mAmerican Airlines

Sat 8/307:02 amSAT - IAH

1 stop6h 45mAmerican Airlines

Deal found 7/30

$183

Mon 10/2710:02 pmIAH - SAT

1 stop16h 02mSpirit Airlines

Sat 11/18:27 pmSAT - IAH

1 stop8h 52mSpirit Airlines

Deal found 7/29

$209

Thu 9/118:32 pmHOU - SAT

1 stop3h 14mAmerican Airlines

Thu 9/188:30 pmSAT - HOU

1 stop3h 18mAmerican Airlines

Deal found 7/27

$288

Last-minute flights from Houston to San Antonio
Discover last-minute flight deals from Houston to San Antonio. Data last updated July 30, 2025 and is based on user searches.

Tue 8/55:00 amIAH - SAT

1 stop3h 25mAmerican Airlines

Wed 10/15:00 amSAT - IAH

1 stop6h 39mAmerican Airlines

Deal found 7/30

$379

Tue 8/57:10 pmIAH - SAT

1 stop10h 30mAlaska Airlines

Sun 10/57:56 pmSAT - IAH

1 stop22h 14mAlaska Airlines

Deal found 7/29

$873

Wed 8/69:26 pmIAH - SAT

1 stop15h 40mSpirit Airlines

Sat 8/168:28 pmSAT - IAH

1 stop8h 32mSpirit Airlines

Deal found 7/29

$227

Wed 8/62:25 pmIAH - SAT

Nonstop1h 07mUnited Airlines

Sat 10/45:51 pmSAT - IAH

Nonstop1h 05mUnited Airlines

Deal found 7/30

$300

Wed 8/66:30 pmHOU - SAT

1 stop3h 42mAmerican Airlines

Wed 10/19:11 amSAT - HOU

1 stop6h 44mAmerican Airlines

Deal found 7/30

$382

Thu 8/78:55 pmHOU - SAT

Nonstop1h 00mSouthwest

Sat 10/411:50 amSAT - HOU

Nonstop1h 00mSouthwest

Deal found 7/30

$300

Fri 8/86:55 pmIAH - SAT

1 stop17h 39mDelta

Fri 10/36:11 pmSAT - IAH

1 stop20h 43mDelta

Deal found 7/30

$821

Thu 8/216:30 pmHOU - SAT

1 stop4h 14mAmerican Airlines

Fri 8/225:00 amSAT - HOU

1 stop4h 44mAmerican Airlines

Deal found 7/29

$331

Sat 8/236:20 pmHOU - SAT

Nonstop1h 00mSouthwest

Mon 8/257:10 pmSAT - HOU

Nonstop1h 00mSouthwest

Deal found 7/30

$124

Sat 8/2312:15 pmIAH - SAT

Nonstop1h 07mUnited Airlines

Sat 8/3011:45 amSAT - IAH

Nonstop1h 04mUnited Airlines

Deal found 7/30

$157

Sat 8/232:32 pmIAH - SAT

1 stop7h 40mAmerican Airlines

Sat 8/307:02 amSAT - IAH

1 stop6h 45mAmerican Airlines

Deal found 7/30

$183

Sat 8/236:25 amIAH - SAT

1 stop12h 58mSpirit Airlines

Sun 8/244:50 pmSAT - IAH

1 stop15h 19mSpirit Airlines

Deal found 7/30

$212

One-way flights from Houston to San Antonio
Search for one-way flight options from Houston to San Antonio. Find affordable one-way fares based on user searches. Data last updated July 30, 2025.

Wed 9/102:20 pmIAH - SAT

Nonstop1h 06mUnited Airlines

Deal found 7/29

$49

Sat 10/1110:55 amHOU - SAT

Nonstop1h 00mSouthwest

Deal found 7/28

$49

Wed 10/156:44 amIAH - SAT

1 stop7h 20mSpirit Airlines

Deal found 7/30

$88

Sat 8/304:36 pmIAH - SAT

1 stop6h 23mAmerican Airlines

Deal found 7/30

$97

Thu 11/276:02 amHOU - SAT

1 stop5h 27mAmerican Airlines

Deal found 7/28

$143

Fri 9/266:37 pmHOU - SAT

1 stop19h 18mDelta

Deal found 7/30

$172

Thu 11/68:47 amHOU - SAT

3 stops13h 40mMultiple Airlines

Deal found 7/29

$195

Fly from

Fly to

Route

Depart

Return

Price

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Sat 9/13

11:00 am-12:00 pm

Nonstop1h 00m

San Antonio

Sat 9/13

4:05 pm-5:05 pm

Nonstop1h 00m

$97

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 10/25

8:25 pm-9:29 pm

Nonstop1h 04m

San Antonio

Sun 10/26

4:24 pm-5:25 pm

Nonstop1h 01m

$127

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 8/23

2:32 pm-10:12 pm

1 stop7h 40m

San Antonio

Sat 8/30

7:02 am-1:47 pm

1 stop6h 45m

$183

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Mon 10/27

10:02 pm-2:04 pm

1 stop16h 02m

San Antonio

Sat 11/1

8:27 pm-5:19 am

1 stop8h 52m

$209

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Thu 9/11

8:32 pm-11:46 pm

1 stop3h 14m

San Antonio

Thu 9/18

8:30 pm-11:48 pm

1 stop3h 18m

$288

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 9/10

2:20 pm-3:26 pm

Nonstop1h 06m

$49

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Sat 10/11

10:55 am-11:55 am

Nonstop1h 00m

$49

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 10/15

6:44 am-2:04 pm

1 stop7h 20m

$88

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 8/30

4:36 pm-10:59 pm

1 stop6h 23m

$97

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Thu 11/27

6:02 am-11:29 am

1 stop5h 27m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 12 results

The best insider tips for Houston to San Antonio flights

Cheapflights partnered with top experts to bring you the best recommendations for your Houston to San Antonio trip

Airports

IAH

Check the IAH Depart tab for current security wait times to plan your arrival at the airport efficiently.

HOU

HOU's compact terminal allows travelers to arrive closer to departure time, minimizing wait times and making navigation easier.

SAT

Use rideshare services from SAT's lower level of Terminal A for a quick trip downtown.

Our travel experts

Evie Carrick

Expert on IAH

Ramsey Qubein

Expert on SAT

Scott Laird

Expert on HOU

Best time to book a flight from Houston to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from Houston with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to San Antonio

What is the cheapest month to book a flight from Houston to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Houston to San Antonio (average of $295). Flying from Houston to San Antonio in March is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HOU to SAT?

When flying from Houston to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 27% versus a flight in the afternoon.

What is the cheapest day to fly from Houston to San Antonio?

Travelers seeking maximum savings on their Houston to San Antonio flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing San Antonio

Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Houston to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

8.0

Very good

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

8.0

Very good

8.0

Very good

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta

8.0

Very good

7,980 reviews

8.0

Very good

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,896 reviews

8.0

Very good

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines

7.2

Good

10,000 reviews

8.0

Very good

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Spirit Airlines

6.3

Okay

8,048 reviews

8.0

Very good