$49+ Flights from Houston to San Antonio

One-way flight from Houston to San Antonio

Highest demand for flights based on searches. 16% potential increase in price ($67 potential increase over avg. RT price).

Cheapest flight prices on average. 6% potential price decrease ($21 potential savings vs. average RT price).

Average for round-trip flights in June 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 June 12, 2025.

Thu 10/168:25 pmIAH - SAT

Nonstop1h 04mUnited Airlines

Mon 10/205:30 amSAT - IAH

Nonstop1h 06mUnited Airlines

Deal found 6/10

$97

Thu 10/165:45 amHOU - SAT

1 stop5h 55mSouthwest

Mon 10/205:45 pmSAT - HOU

1 stop4h 50mSouthwest

Deal found 6/10

$117

Thu 8/147:47 amIAH - SAT

1 stop6h 27mAmerican Airlines

Thu 10/21:44 pmSAT - IAH

1 stop6h 28mAmerican Airlines

Deal found 6/11

$183

Thu 7/105:00 amIAH - SAT

1 stop19h 34mSpirit Airlines

Sun 7/135:38 pmSAT - IAH

1 stop24h 53mSpirit Airlines

Deal found 6/10

$216

Fri 6/206:00 amIAH - SAT

1 stop10h 43mFrontier

Mon 6/235:38 pmSAT - IAH

1 stop22h 09mFrontier

Deal found 6/10

$289

Sun 7/68:56 pmIAH - SAT

1 stop11h 09mMultiple Airlines

Tue 7/812:32 pmSAT - IAH

1 stop5h 39mMultiple Airlines

Deal found 6/11

$290

Fri 7/255:00 amHOU - SAT

1 stop3h 25mAmerican Airlines

Fri 8/15:00 amSAT - HOU

1 stop3h 27mAmerican Airlines

Deal found 6/10

$290

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 June 12, 2025.

Thu 8/1412:10 pmIAH - SAT

Nonstop1h 06mUnited Airlines

Thu 10/27:38 pmSAT - IAH

Nonstop1h 07mUnited Airlines

Deal found 6/11

$157

Thu 8/147:47 amIAH - SAT

1 stop6h 27mAmerican Airlines

Thu 10/21:44 pmSAT - IAH

1 stop6h 28mAmerican Airlines

Deal found 6/11

$183

Thu 7/105:00 amIAH - SAT

1 stop19h 34mSpirit Airlines

Sun 7/135:38 pmSAT - IAH

1 stop24h 53mSpirit Airlines

Deal found 6/10

$216

Tue 7/158:05 amHOU - SAT

Nonstop1h 05mSouthwest

Tue 7/157:40 pmSAT - HOU

Nonstop1h 00mSouthwest

Deal found 6/12

$245

Fri 6/206:00 amIAH - SAT

1 stop10h 43mFrontier

Mon 6/235:38 pmSAT - IAH

1 stop22h 09mFrontier

Deal found 6/10

$289

Sun 7/68:56 pmIAH - SAT

1 stop11h 09mMultiple Airlines

Tue 7/812:32 pmSAT - IAH

1 stop5h 39mMultiple Airlines

Deal found 6/11

$290

Fri 7/255:00 amHOU - SAT

1 stop3h 25mAmerican Airlines

Fri 8/15:00 amSAT - HOU

1 stop3h 27mAmerican Airlines

Deal found 6/10

$290

Last-minute flights from Houston to San Antonio
Discover last-minute flight deals from Houston to San Antonio. Data last updated June 12, 2025 and is based on user searches.

Tue 6/179:37 amIAH - SAT

Nonstop1h 07mUnited Airlines

Thu 7/179:56 amSAT - IAH

Nonstop1h 06mUnited Airlines

Deal found 6/9

$386

Tue 6/175:00 amHOU - SAT

1 stop4h 12mAmerican Airlines

Thu 7/175:00 amSAT - HOU

1 stop4h 40mAmerican Airlines

Deal found 6/10

$406

Fri 6/206:00 amIAH - SAT

1 stop10h 43mFrontier

Mon 6/235:38 pmSAT - IAH

1 stop22h 09mFrontier

Deal found 6/10

$289

Sat 6/216:10 amIAH - SAT

1 stop5h 27mSpirit Airlines

Mon 6/2312:32 pmSAT - IAH

1 stop20h 11mSpirit Airlines

Deal found 6/10

$259

Sat 6/219:55 pmHOU - SAT

Nonstop1h 00mSouthwest

Mon 6/238:50 pmSAT - HOU

Nonstop1h 00mSouthwest

Deal found 6/10

$443

Sun 7/68:56 pmIAH - SAT

1 stop11h 09mMultiple Airlines

Tue 7/812:32 pmSAT - IAH

1 stop5h 39mMultiple Airlines

Deal found 6/11

$290

Sun 7/67:21 pmIAH - SAT

1 stop3h 50mAmerican Airlines

Thu 7/105:00 amSAT - IAH

1 stop4h 17mAmerican Airlines

Deal found 6/9

$310

Thu 7/105:00 amIAH - SAT

1 stop19h 34mSpirit Airlines

Sun 7/135:38 pmSAT - IAH

1 stop24h 53mSpirit Airlines

Deal found 6/10

$216

Tue 7/158:05 amHOU - SAT

Nonstop1h 05mSouthwest

Tue 7/157:40 pmSAT - HOU

Nonstop1h 00mSouthwest

Deal found 6/12

$245

Mon 7/2112:10 pmIAH - SAT

Nonstop1h 06mUnited Airlines

Wed 7/232:15 pmSAT - IAH

Nonstop1h 07mUnited Airlines

Deal found 6/10

$257

Fri 7/255:00 amHOU - SAT

1 stop3h 25mAmerican Airlines

Fri 8/15:00 amSAT - HOU

1 stop3h 27mAmerican Airlines

Deal found 6/10

$290

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 June 12, 2025.

Mon 8/44:35 pmIAH - SAT

Nonstop1h 07mUnited Airlines

Deal found 6/10

$49

Mon 8/188:00 amHOU - SAT

Nonstop0h 55mSouthwest

Deal found 6/10

$49

Tue 8/54:24 pmIAH - SAT

1 stop7h 34mAmerican Airlines

Deal found 6/12

$97

Fri 8/224:56 pmIAH - SAT

1 stop18h 18mSpirit Airlines

Deal found 6/10

$103

Sat 7/126:30 pmHOU - SAT

1 stop5h 28mAmerican Airlines

Deal found 6/12

$145

Sat 8/96:31 pmIAH - SAT

2 stops22h 02mMultiple Airlines

Deal found 6/11

$152

Fri 7/188:03 pmHOU - SAT

2 stops28h 31mMultiple Airlines

Deal found 6/11

$157

Fri 8/83:55 pmIAH - SAT

1 stop6h 22mDelta

Deal found 6/11

$162

Fri 8/86:40 pmHOU - SAT

1 stop5h 34mDelta

Deal found 6/11

$162

Fri 8/158:46 pmIAH - SAT

2 stops21h 16mFrontier

Deal found 6/11

$237

Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 8/14

12:10 pm-1:16 pm

Nonstop1h 06m

San Antonio

Thu 10/2

7:38 pm-8:45 pm

Nonstop1h 07m

$157

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 8/14

7:47 am-2:14 pm

1 stop6h 27m

San Antonio

Thu 10/2

1:44 pm-8:12 pm

1 stop6h 28m

$183

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 7/10

5:00 am-12:34 am

1 stop19h 34m

San Antonio

Sun 7/13

5:38 pm-6:31 pm

1 stop24h 53m

$216

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Tue 7/15

8:05 am-9:10 am

Nonstop1h 05m

San Antonio

Tue 7/15

7:40 pm-8:40 pm

Nonstop1h 00m

$245

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Fri 6/20

6:00 am-4:43 pm

1 stop10h 43m

San Antonio

Mon 6/23

5:38 pm-3:47 pm

1 stop22h 09m

$289

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sun 7/6

8:56 pm-8:05 am

1 stop11h 09m

San Antonio

Tue 7/8

12:32 pm-6:11 pm

1 stop5h 39m

$290

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Fri 7/25

5:00 am-8:25 am

1 stop3h 25m

San Antonio

Fri 8/1

5:00 am-8:27 am

1 stop3h 27m

$290

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Mon 8/4

4:35 pm-5:42 pm

Nonstop1h 07m

$49

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Mon 8/18

8:00 am-8:55 am

Nonstop0h 55m

$49

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 8/5

4:24 pm-11:58 pm

1 stop7h 34m

$97

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 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 30% versus a flight at noon.

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.

Rainfall in San Antonio by month

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Antonio

Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Houston to San Antonio to help guide your decision. You can also see how each airline stacks up 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

7,950 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

8,790 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

8,052 reviews

8.0

Very good