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$51+ Cheap flights from Houston to San Antonio (SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SAT
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Houston to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$101
(United Airlines)

One-way from

$51
(United Airlines)

Popular in

January

Cheapest in

August

Average price

$376
From Houston to San Antonio
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One-way flight from Houston to San Antonio
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Highest demand for flights based on searches. 22% potential increase in price ($92 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:33 pmIAH - SAT
Nonstop1h 02mUnited Airlines
Wed 10/155:30 amSAT - IAH
Nonstop1h 06mUnited Airlines
Deal found 9/10$101
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/811:00 amHOU - SAT
Nonstop1h 00mSouthwest
Wed 10/156:45 amSAT - HOU
Nonstop1h 00mSouthwest
Deal found 9/10$101
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:33 amIAH - SAT
Nonstop1h 05mUnited Airlines
Wed 10/155:30 amSAT - IAH
Nonstop1h 06mUnited Airlines
Deal found 9/11$117
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/304:25 pmHOU - SAT
Nonstop1h 00mSouthwest
Thu 10/28:30 pmSAT - HOU
Nonstop1h 00mSouthwest
Deal found 9/9$117
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:33 amIAH - SAT
Nonstop1h 05mUnited Airlines
Sun 10/127:16 amSAT - IAH
Nonstop1h 06mUnited Airlines
Deal found 9/10$133
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/610:15 pmHOU - SAT
Nonstop1h 00mSouthwest
Thu 10/98:30 pmSAT - HOU
Nonstop1h 00mSouthwest
Deal found 9/9$133
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/145:20 pmHOU - SAT
Nonstop1h 00mSouthwest
Wed 10/157:35 pmSAT - HOU
Nonstop1h 00mSouthwest
Deal found 9/11$136
This Southwest deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/75:20 pmHOU - SAT
Nonstop1h 00mSouthwest
Wed 10/81:40 pmSAT - HOU
1 stop5h 35mSouthwest
Deal found 9/11$151
This Frontier deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:20 amIAH - SAT
1 stop7h 07mFrontier
Sun 10/59:55 amSAT - IAH
1 stop13h 44mFrontier
Deal found 9/11$152
This Frontier deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/47:20 amIAH - SAT
1 stop7h 07mFrontier
Sat 11/83:12 pmSAT - IAH
1 stop8h 27mFrontier
Deal found 9/11$153
This Southwest deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2112:30 pmHOU - SAT
1 stop4h 55mSouthwest
Thu 10/236:15 pmSAT - HOU
Nonstop1h 00mSouthwest
Deal found 9/9$157
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2112:10 pmIAH - SAT
Nonstop1h 05mUnited Airlines
Thu 10/237:38 pmSAT - IAH
Nonstop1h 07mUnited Airlines
Deal found 9/9$159

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to San Antonio that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Houston to San Antonio that are best for you.

Fly from

Houston

Fly to

San Antonio

Route

Depart

Return

Price

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 10/4

4:50 pm-5:54 pm

Nonstop1h 04m

San Antonio

Sat 11/8

2:14 pm-3:18 pm

Nonstop1h 04m

$101

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Wed 10/15

11:00 am-12:00 pm

Nonstop1h 00m

San Antonio

Wed 10/15

5:05 pm-6:05 pm

Nonstop1h 00m

$101

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 10/18

7:33 am-8:38 am

Nonstop1h 05m

San Antonio

Sat 10/18

4:21 pm-5:25 pm

Nonstop1h 04m

$101

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Wed 10/8

11:00 am-12:00 pm

Nonstop1h 00m

San Antonio

Wed 10/15

6:45 am-7:45 am

Nonstop1h 00m

$101

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 10/8

9:33 pm-10:35 pm

Nonstop1h 02m

San Antonio

Wed 10/15

5:30 am-6:36 am

Nonstop1h 06m

$101

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Wed 11/12

8:50 am-9:55 am

Nonstop1h 05m

San Antonio

Sat 11/15

6:20 pm-7:20 pm

Nonstop1h 00m

$101

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 10/7

9:44 am-10:49 am

Nonstop1h 05m

San Antonio

Wed 10/8

7:38 pm-8:45 pm

Nonstop1h 07m

$101

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Tue 10/7

8:50 am-9:50 am

Nonstop1h 00m

San Antonio

Wed 10/8

5:05 pm-6:05 pm

Nonstop1h 00m

$101

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Tue 10/21

8:50 am-9:50 am

Nonstop1h 00m

San Antonio

Tue 10/21

7:35 pm-8:35 pm

Nonstop1h 00m

$101

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Mon 10/6

4:56 pm-6:00 pm

Nonstop1h 04m

San Antonio

Wed 10/8

5:30 am-6:36 am

Nonstop1h 06m

$117

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 45 results
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The best insider tips for Houston to San Antonio flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
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.

Read more about IAHby Evie Carrick
HOU

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

Read more about HOUby Scott Laird
SAT

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

Read more about SATby Ramsey Qubein
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on SAT

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Scott Laird

Scott Laird

Expert on HOU

Scott Laird

Scott Laird

Originally from Anchorage, Alaska, Scott is a frequent contributor to Fodor’s Travel Guide, Conde Nast Traveler, TravelAge West, and TravelPulse. He holds a Bachelor of Science in Organizational Management from Alaska Pacific University and a Master of Science in Airline Management from Embry-Riddle Aeronautical University, and has worked in the airline and hotel industries and as a travel consultant.

Read more

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?

Find hourly flight availability from Houston to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

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 28% versus a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Houston to San Antonio. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston to San Antonio flight should consider departing on Thursday evenings 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.

How much does it cost to fly round-trip from Houston to San Antonio?

Reviews of airlines servicing San Antonio

Get insights into the airlines that provide service to San Antonio. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Antonio. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Southwest 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.
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Food

7.0

Boarding

8.1

Overall

8.0

Entertainment

7.5

Crew

8.6

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Houston to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Antonio from Houston?

    Located just 7.6 mi from the city center, San Antonio is the airport most travelers will use when flying to San Antonio from Houston. Booking flights from Houston to San Antonio (SAT) should be relatively easy as there are 3 daily inbound flights from Houston from 2 different airlines.

  • How long is the flight from Houston to San Antonio?

    For as low as $101, United Airlines can have you in San Antonio from Houston in 1h. There are 192 mi between Houston and San Antonio. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Houston to San Antonio round-trip?

    Flying on United Airlines is currently your cheapest option to San Antonio, with prices starting at $114. Another option worth looking into is Southwest, starting at $117 round trip. United Airlines is 63% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest flights from Houston to San Antonio?

    On average you can expect to pay $94 for a flight from Houston to San Antonio. The cheapest flight overall is $48 while the most popular route, (Houston Hobby - San Antonio) is currently priced at $101.

  • Can I find deals for flights from Houston to San Antonio that include hotel bookings?

    Yes. In addition to deals on Houston to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to San Antonio.

  • Can I find deals for business class flights from Houston to San Antonio?

    Yes. Cheapflights offers flight deals from Houston to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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Alternative routes for Houston to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Houston to San Antonio

Discover the top 2 airlines that operate flights from Houston to San Antonio. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$114Average$302FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$117Average$308FlexibilityNo cancel feeOn-time63%

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