San Antonio

$99+ 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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SAT
Jul 10 — Jul 171
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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 June 10, 2026.

This United Airlines deal was found by Cheapflights users on 6/10. 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 9/169:39 am
IAH
-
SAT
Nonstop1h 06m
United Airlines
Thu 9/175:30 am
SAT
-
IAH
Nonstop1h 03m
United Airlines
Deal found 6/10$226
This Southwest deal was found by Cheapflights users on 6/10. 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 9/232:40 pm
HOU
-
SAT
Nonstop1h 00m
Southwest
Thu 9/246:50 pm
SAT
-
HOU
Nonstop1h 00m
Southwest
Deal found 6/10$226
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/165:00 am
IAH
-
SAT
1 stop5h 01m
American Airlines
Thu 9/178:26 pm
SAT
-
IAH
1 stop3h 32m
American Airlines
Deal found 6/10$246
This United Airlines deal was found by Cheapflights users on 6/5. 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 7/158:05 pm
IAH
-
SAT
Nonstop1h 08m
United Airlines
Wed 7/2211:43 am
SAT
-
IAH
Nonstop1h 12m
United Airlines
Deal found 6/5$257
This Southwest deal was found by Cheapflights users on 6/9. 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.
Wed 7/229:25 pm
HOU
-
SAT
Nonstop1h 00m
Southwest
Wed 7/295:30 pm
SAT
-
HOU
Nonstop1h 05m
Southwest
Deal found 6/9$257
This Southwest deal was found by Cheapflights users on 6/9. 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 9/71:45 pm
HOU
-
SAT
Nonstop1h 00m
Southwest
Wed 9/164:20 pm
SAT
-
HOU
Nonstop1h 00m
Southwest
Deal found 6/9$264
This United Airlines deal was found by Cheapflights users on 6/9. 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 9/18:05 pm
IAH
-
SAT
Nonstop1h 11m
United Airlines
Wed 9/25:30 am
SAT
-
IAH
Nonstop1h 03m
United Airlines
Deal found 6/9$267
This Southwest deal was found by Cheapflights users on 6/5. 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 10/1710:45 am
HOU
-
SAT
Nonstop1h 00m
Southwest
Tue 10/204:50 pm
SAT
-
HOU
Nonstop1h 00m
Southwest
Deal found 6/5$274
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/257:30 am
IAH
-
SAT
Nonstop1h 08m
United Airlines
Sat 9/264:17 pm
SAT
-
IAH
Nonstop1h 08m
United Airlines
Deal found 6/10$277
This Southwest deal was found by Cheapflights users on 6/9. 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.
Fri 9/2510:05 am
HOU
-
SAT
Nonstop1h 05m
Southwest
Sat 9/263:40 pm
SAT
-
HOU
Nonstop1h 00m
Southwest
Deal found 6/9$277
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/74:21 pm
IAH
-
SAT
1 stop4h 36m
American Airlines
Wed 9/165:00 am
SAT
-
IAH
1 stop3h 28m
American Airlines
Deal found 6/9$289
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/238:05 pm
IAH
-
SAT
Nonstop1h 11m
United Airlines
Thu 9/2411:47 am
SAT
-
IAH
Nonstop1h 08m
United Airlines
Deal found 6/10$296

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 June 10, 2026.

Round-trip from

$226
(Southwest)

One-way from

$99
(United Airlines)

Popular in

January

Cheapest in

August

Average price

$327
From Houston to San Antonio
One-way flight from Houston to San Antonio
Highest demand for flights based on searches. 23% potential increase in price ($106 potential increase over avg. RT price).
Cheapest flight prices on average. 10% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 10, 2026.
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

Cheapest round-trip

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Wed 9/23

3:30 pm-11:05 pm

2 stops7h 35m

San Antonio

Thu 9/24

6:50 pm-7:50 pm

Nonstop1h 00m

$241

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 7/22

7:20 am-8:27 am

Nonstop1h 07m

San Antonio

Wed 7/29

4:18 pm-5:25 pm

Nonstop1h 07m

$257

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 9/1

8:05 pm-9:16 pm

Nonstop1h 11m

San Antonio

Wed 9/2

5:30 am-6:33 am

Nonstop1h 03m

$267

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Wed 7/22

9:25 pm-10:25 pm

Nonstop1h 00m

San Antonio

Wed 7/29

6:25 pm-10:15 pm

1 stop3h 50m

$267

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Mon 9/7

4:05 pm-10:55 pm

1 stop6h 50m

San Antonio

Wed 9/16

7:35 am-8:30 am

Nonstop0h 55m

$273
Quickest round-trip

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Sat 10/17

10:45 am-11:45 am

Nonstop1h 00m

San Antonio

Tue 10/20

4:50 pm-5:50 pm

Nonstop1h 00m

$274

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Wed 7/15

9:25 pm-10:25 pm

Nonstop1h 00m

San Antonio

Thu 7/16

6:30 pm-7:40 pm

Nonstop1h 10m

$293

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Mon 7/13

2:40 pm-3:45 pm

Nonstop1h 05m

San Antonio

Tue 7/14

4:25 pm-11:45 pm

1 stop7h 20m

$303

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Sun 9/13

4:20 pm-11:20 pm

2 stops7h 00m

San Antonio

Mon 9/14

6:50 pm-7:50 pm

Nonstop1h 00m

$307

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Thu 9/3

10:05 am-11:10 am

Nonstop1h 05m

San Antonio

Sun 9/6

11:20 am-7:45 pm

2 stops8h 25m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 43 resultsSorted by cheapest first
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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, August 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 January is currently the most expensive (average of $281). 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 June 10, 2026.

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 at noon, which can drop the price by up to 29% versus a flight in the afternoon.

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

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 June 8, 2026.

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. Monday evenings 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
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

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.

Ramsey Qubein

Ramsey Qubein

Expert on SAT

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.

Scott Laird

Scott Laird

Expert on HOU

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.

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 June 10, 2026.
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.

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

Crew

8.6

Food

7.0

Overall

7.9

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Reviews

1 / 20
6.0
Good

Scott,Feb 2026

HOU - FLL

Delayed by 45 minutes leaving Houston, making a 3.5 hour layover that much longer.

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 is 1 daily inbound flight from Houston from 2 different airlines.

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

    For as low as $257, Southwest can have you in San Antonio from Houston in 1h 07m. 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 United Airlines is currently your cheapest option to San Antonio, with prices starting at $97. Another option worth looking into is Southwest, starting at $137 round trip. United Airlines is 71% 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 $371 for a flight from Houston to San Antonio. The cheapest flight overall is $143 while the most popular route, (Houston Hobby - San Antonio) is currently priced at $267.

  • 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 $77). Flying from Houston to San Antonio in January is currently the most expensive (average of $281). 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.

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 June 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$97Average$389FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$137Average$355FlexibilityNo cancel feeOn-time63%

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