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San Antonio

$48+ 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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SAT
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
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 October 28, 2025.

Round-trip from

$97
(Southwest)

One-way from

$48
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$271
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. 21% potential increase in price ($86 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 October 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 October 28, 2025.

This Southwest deal was found by Cheapflights users on 10/28. 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.
Thu 12/44:45 pmHOU - SAT
Nonstop1h 05mSouthwest
Mon 12/86:20 amSAT - HOU
Nonstop1h 00mSouthwest
Deal found 10/28$97
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:28 pmIAH - SAT
1 stop22h 02mFrontier
Mon 12/812:03 pmSAT - IAH
1 stop9h 44mFrontier
Deal found 10/28$120
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 12/48:20 pmIAH - SAT
Nonstop1h 12mUnited Airlines
Sat 12/62:22 pmSAT - IAH
Nonstop1h 03mUnited Airlines
Deal found 10/28$134
This Southwest deal was found by Cheapflights users on 10/28. 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.
Thu 12/44:45 pmHOU - SAT
Nonstop1h 05mSouthwest
Sat 12/66:40 amSAT - HOU
Nonstop1h 00mSouthwest
Deal found 10/28$134
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Mon 12/227:39 amIAH - SAT
Nonstop1h 11mUnited Airlines
Tue 12/237:30 pmSAT - IAH
Nonstop1h 10mUnited Airlines
Deal found 10/25$137
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:05 amIAH - SAT
1 stop10h 46mFrontier
Mon 12/812:03 pmSAT - IAH
1 stop9h 44mFrontier
Deal found 10/28$145
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/611:32 amIAH - SAT
1 stop21h 58mFrontier
Mon 12/812:03 pmSAT - IAH
1 stop9h 44mFrontier
Deal found 10/28$146
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/56:05 amIAH - SAT
1 stop10h 46mFrontier
Sun 12/75:46 pmSAT - IAH
1 stop23h 14mFrontier
Deal found 10/28$152
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:28 pmIAH - SAT
1 stop22h 02mMultiple Airlines
Sat 12/62:13 pmSAT - IAH
1 stop8h 30mMultiple Airlines
Deal found 10/28$154
This Southwest deal was found by Cheapflights users on 10/28. 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.
Sat 12/66:00 amHOU - SAT
1 stop7h 25mSouthwest
Mon 12/88:05 amSAT - HOU
1 stop6h 35mSouthwest
Deal found 10/28$154
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 12/42:20 pmIAH - SAT
Nonstop1h 10mUnited Airlines
Mon 12/87:00 pmSAT - IAH
Nonstop1h 09mUnited Airlines
Deal found 10/28$158
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/710:31 pmIAH - SAT
1 stop12h 37mMultiple Airlines
Tue 12/97:00 amSAT - IAH
1 stop12h 12mMultiple Airlines
Deal found 10/28$160

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 October 28, 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

HOU - SAT

HOUSAT

Houston Hobby

Thu 12/4

5:10 pm-9:20 pm

1 stop4h 10m

San Antonio

Mon 12/8

6:45 pm-7:45 pm

Nonstop1h 00m

$107

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 12/4

10:28 pm-8:30 pm

1 stop22h 02m

San Antonio

Mon 12/8

12:03 pm-9:47 pm

1 stop9h 44m

$124

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 12/4

8:20 pm-9:32 pm

Nonstop1h 12m

San Antonio

Sat 12/6

2:22 pm-3:25 pm

Nonstop1h 03m

$134

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 12/30

2:42 pm-3:53 pm

Nonstop1h 11m

San Antonio

Thu 1/1

5:59 pm-7:05 pm

Nonstop1h 06m

$137

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Thu 12/4

8:50 am-9:55 am

Nonstop1h 05m

San Antonio

Sat 12/6

1:00 pm-4:10 pm

1 stop3h 10m

$144

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 12/6

11:32 am-9:30 am

1 stop21h 58m

San Antonio

Mon 12/8

12:03 pm-9:47 pm

1 stop9h 44m

$146

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Mon 12/22

10:15 am-11:15 am

Nonstop1h 00m

San Antonio

Tue 12/23

1:05 pm-5:45 pm

1 stop4h 40m

$147

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 12/4

10:28 pm-8:30 pm

1 stop22h 02m

San Antonio

Sat 12/6

2:13 pm-10:43 pm

1 stop8h 30m

$154

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Sat 12/6

6:00 am-1:25 pm

1 stop7h 25m

San Antonio

Mon 12/8

8:05 am-2:40 pm

1 stop6h 35m

$154

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 12/4

2:20 pm-3:30 pm

Nonstop1h 10m

San Antonio

Mon 12/8

7:00 pm-8:09 pm

Nonstop1h 09m

$158

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 37 results
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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, June is the cheapest month in which you can book a flight from Houston to San Antonio (average of $77). Flying from Houston to San Antonio in July is currently the most expensive (average of $158). 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 October 28, 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 afternoon, which can drop the price by up to 28% versus a flight at noon.

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 Monday evenings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

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 October 28, 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
4,235 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

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
4,235 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

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
8,996 reviews
Southwest
8.0
Very good
4,235 reviews

Boarding

8.1

Comfort

8.0

Crew

8.6

Entertainment

7.5

Food

7.0

Overall

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 2 daily inbound flights from Houston from 2 different airlines.

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

    For as low as $134, Southwest can have you in San Antonio from Houston in 1h 12m. There are 190 mi between Houston and San Antonio. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on Southwest is currently your cheapest option to San Antonio, with prices starting at $97. Another option worth looking into is United Airlines, starting at $114 round trip. Southwest is 69% 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 $235 for a flight from Houston to San Antonio. The cheapest flight overall is $38 while the most popular route, (Houston Hobby - San Antonio) is currently priced at $137.

  • 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, June is the cheapest month in which you can book a flight from Houston to San Antonio (average of $77). Flying from Houston to San Antonio in July is currently the most expensive (average of $158). 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

Browse thousands of different options on Cheapflights for your next trip

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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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$97Average$289FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$114Average$267FlexibilityNo cancel feeOn-time69%

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