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$67+ 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 2/25. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SAT
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap 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 December 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Wed 12/3110:35 pmIAH - SAT
1 stop10h 48mFrontier
Tue 1/63:55 pmSAT - IAH
1 stop8h 36mFrontier
Deal found 12/14$165
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Wed 12/3110:35 pmIAH - SAT
1 stop10h 48mMultiple Airlines
Thu 1/111:30 amSAT - IAH
1 stop13h 24mMultiple Airlines
Deal found 12/14$299
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/317:39 amIAH - SAT
Nonstop1h 11mUnited Airlines
Tue 1/64:04 pmSAT - IAH
Nonstop1h 07mUnited Airlines
Deal found 12/14$350
This Southwest deal was found by Cheapflights users on 12/14. 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 12/3111:05 amHOU - SAT
Nonstop1h 05mSouthwest
Tue 1/67:15 amSAT - HOU
Nonstop1h 00mSouthwest
Deal found 12/14$350
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:00 amIAH - SAT
1 stop9h 10mAmerican Airlines
Tue 1/66:01 pmSAT - IAH
1 stop4h 48mAmerican Airlines
Deal found 12/15$358
This American Airlines deal was found by Cheapflights users on 12/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3112:09 pmHOU - SAT
1 stop7h 01mAmerican Airlines
Tue 1/66:14 amSAT - HOU
1 stop3h 51mAmerican Airlines
Deal found 12/15$358
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Tue 12/2310:28 pmIAH - SAT
2 stops25h 49mFrontier
Sun 1/188:59 amSAT - IAH
1 stop9h 59mFrontier
Deal found 12/14$368
This Southwest deal was found by Cheapflights users on 12/14. 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 12/2310:55 pmHOU - SAT
Nonstop1h 00mSouthwest
Sun 1/181:45 pmSAT - HOU
Nonstop1h 00mSouthwest
Deal found 12/14$391
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3110:13 amHOU - SAT
1 stop7h 58mAmerican Airlines
Thu 1/19:12 amSAT - HOU
1 stop6h 35mAmerican Airlines
Deal found 12/14$395
This Kiwi.com deal was found by Cheapflights users on 12/14. 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.
Tue 12/236:55 pmIAH - SAT
1 stop28h 31mMultiple Airlines
Sun 1/188:59 amSAT - IAH
1 stop9h 59mMultiple Airlines
Deal found 12/14$399
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:37 amIAH - SAT
1 stop7h 20mAmerican Airlines
Fri 1/25:00 amSAT - IAH
1 stop3h 37mAmerican Airlines
Deal found 12/14$402
This American Airlines deal was found by Cheapflights users on 12/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2512:09 pmHOU - SAT
1 stop6h 52mAmerican Airlines
Fri 1/28:19 pmSAT - HOU
1 stop3h 27mAmerican Airlines
Deal found 12/14$402

Find 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 December 16, 2025.

Round-trip from

$158
(Kiwi.com)

One-way from

$67
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$402
From Houston to San Antonio
Search Deals
One-way flight from Houston to San Antonio
Search Deals
Highest demand for flights based on searches. 30% potential increase in price ($140 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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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 December 16, 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

Wed 1/14

8:16 pm-8:14 am

1 stop11h 58m

San Antonio

Wed 1/21

6:30 am-9:57 pm

1 stop15h 27m

$158

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sun 1/11

7:41 pm-11:00 am

1 stop15h 19m

San Antonio

Sun 1/18

8:59 am-6:58 pm

1 stop9h 59m

$168

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Mon 1/12

12:16 pm-11:52 pm

1 stop11h 36m

San Antonio

Mon 1/19

9:36 pm-5:55 am

1 stop8h 19m

$174

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 2/17

4:22 pm-9:30 am

1 stop17h 08m

San Antonio

Tue 3/3

5:12 pm-7:14 pm

1 stop26h 02m

$178

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Mon 1/12

12:16 pm-11:52 pm

1 stop11h 36m

San Antonio

Wed 1/14

6:30 am-2:13 pm

1 stop7h 43m

$179

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 1/15

6:35 am-3:14 pm

1 stop8h 39m

San Antonio

Sun 1/18

3:57 pm-12:33 am

1 stop8h 36m

$186

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 1/15

4:35 pm-9:40 am

1 stop17h 05m

San Antonio

Sun 1/18

10:35 am-8:23 pm

1 stop9h 48m

$198

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 1/10

12:16 pm-11:52 pm

1 stop11h 36m

San Antonio

Sat 1/17

10:35 am-10:56 pm

2 stops12h 21m

$203

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 1/21

8:45 am-11:52 pm

1 stop15h 07m

San Antonio

Thu 1/22

12:31 pm-12:19 am

2 stops11h 48m

$206

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 1/14

4:15 pm-9:40 am

2 stops17h 25m

San Antonio

Wed 1/21

6:30 am-9:07 am

2 stops26h 37m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

Showing 1-10 of 39 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 December is currently the most expensive (average of $222). 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 December 16, 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 30% 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 Wednesday at noon 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.

The best insider tips for Houston to San Antonio flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
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 December 16, 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
7.9
Good
4,250 reviews

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

7.9

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
7.9
Good
4,250 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

7.9

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
9,094 reviews
Southwest
7.9
Good
4,250 reviews

Entertainment

7.5

Crew

8.6

Food

7.0

Boarding

8.1

Comfort

8.0

Overall

7.9

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 $260, Frontier can have you in San Antonio from Houston in 1h 05m. There are 192 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 United Airlines is currently your cheapest option to San Antonio, with prices starting at $97. Another option worth looking into is Southwest, starting at $97 round trip. United Airlines 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 $327 for a flight from Houston to San Antonio. The cheapest flight overall is $246 while the most popular route, (Houston Hobby - San Antonio) is currently priced at $161.

  • 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 December is currently the most expensive (average of $222). 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 December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$97Average$259FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$97Average$271FlexibilityNo cancel feeOn-time63%

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