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

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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — HOU
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from San Antonio to Houston

Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Houston (HO1). 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

September

Average price

$178
From San Antonio to Houston
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One-way flight from San Antonio to Houston
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Highest demand for flights based on searches. 30% potential increase in price ($149 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($24 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 San Antonio to Houston

Cheapest flights from San Antonio to Houston
Explore the most affordable flight options available from San Antonio to Houston. 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 9/11. 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.
Sat 10/45:30 amSAT - IAH
Nonstop1h 06mUnited Airlines
Sat 11/82:20 pmIAH - SAT
Nonstop1h 09mUnited Airlines
Deal found 9/11$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.
Tue 10/77:35 pmSAT - HOU
Nonstop1h 00mSouthwest
Wed 10/811:00 amHOU - SAT
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.
Thu 10/22:25 pmSAT - IAH
Nonstop1h 06mUnited Airlines
Sat 11/88:09 pmIAH - SAT
Nonstop1h 11mUnited Airlines
Deal found 9/11$117
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.
Mon 10/2012:50 pmSAT - HOU
Nonstop1h 00mSouthwest
Wed 10/228:50 amHOU - SAT
Nonstop1h 00mSouthwest
Deal found 9/10$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 9/307:40 amSAT - HOU
Nonstop1h 00mSouthwest
Tue 9/304:25 pmHOU - SAT
Nonstop1h 00mSouthwest
Deal found 9/9$129
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 10/37:38 pmSAT - IAH
Nonstop1h 07mUnited Airlines
Sun 10/57:33 amIAH - SAT
Nonstop1h 05mUnited Airlines
Deal found 9/11$133
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.
Fri 10/2412:50 pmSAT - HOU
Nonstop1h 00mSouthwest
Mon 10/2710:15 pmHOU - SAT
Nonstop1h 00mSouthwest
Deal found 9/10$133
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 10/247:38 pmSAT - IAH
Nonstop1h 07mUnited Airlines
Mon 10/277:40 amIAH - SAT
Nonstop1h 08mUnited Airlines
Deal found 9/10$151
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/43:22 pmSAT - IAH
1 stop5h 52mFrontier
Sat 10/117:00 amIAH - SAT
1 stop9h 37mFrontier
Deal found 9/10$153
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.
Sat 10/411:50 amSAT - HOU
Nonstop1h 00mSouthwest
Sat 10/118:40 amHOU - SAT
Nonstop1h 00mSouthwest
Deal found 9/11$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.
Wed 10/85:30 amSAT - IAH
Nonstop1h 06mUnited Airlines
Tue 10/147:33 amIAH - SAT
Nonstop1h 05mUnited Airlines
Deal found 9/9$161
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.
Sat 10/47:40 amSAT - HOU
1 stop6h 20mSouthwest
Sat 11/88:20 pmHOU - SAT
Nonstop1h 00mSouthwest
Deal found 9/11$166

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio to Houston 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 San Antonio to Houston that are best for you.

Fly from

San Antonio

Fly to

Houston

Route

Depart

Return

Price

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Tue 10/7

9:47 am-10:52 am

Nonstop1h 05m

Houston George Bush Intcntl

Wed 10/8

9:33 pm-10:35 pm

Nonstop1h 02m

$101

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

Wed 10/8

7:35 pm-8:35 pm

Nonstop1h 00m

Houston Hobby

Sat 10/18

10:55 am-11:55 am

Nonstop1h 00m

$101

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Tue 9/30

11:45 am-12:49 pm

Nonstop1h 04m

Houston George Bush Intcntl

Tue 9/30

9:33 pm-10:35 pm

Nonstop1h 02m

$101

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Sat 10/4

9:47 am-10:52 am

Nonstop1h 05m

Houston George Bush Intcntl

Sat 10/11

9:33 pm-10:35 pm

Nonstop1h 02m

$101

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Tue 10/7

9:47 am-10:52 am

Nonstop1h 05m

Houston George Bush Intcntl

Tue 10/14

7:33 am-8:38 am

Nonstop1h 05m

$101

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Sat 10/4

5:30 am-6:36 am

Nonstop1h 06m

Houston George Bush Intcntl

Sat 11/8

2:20 pm-3:29 pm

Nonstop1h 09m

$101

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

Mon 10/20

12:50 pm-1:50 pm

Nonstop1h 00m

Houston Hobby

Wed 10/22

8:50 am-9:50 am

Nonstop1h 00m

$117

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Thu 10/2

2:25 pm-3:31 pm

Nonstop1h 06m

Houston George Bush Intcntl

Sat 11/8

8:09 pm-9:20 pm

Nonstop1h 11m

$117

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Sat 10/18

2:25 pm-3:31 pm

Nonstop1h 06m

Houston George Bush Intcntl

Sun 10/19

7:33 am-8:38 am

Nonstop1h 05m

$117

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

Tue 9/30

7:40 am-8:40 am

Nonstop1h 00m

Houston Hobby

Tue 9/30

4:25 pm-5:25 pm

Nonstop1h 00m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 36 results
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The best insider tips for San Antonio to Houston 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 San Antonio to Houston trip
Airports
SAT

For early departures, SAT's new parking garage offers ample space, but economy lots with shuttle service are a better value for longer trips.

Read more about SATby Ramsey Qubein
IAH

For a quick arrival at IAH, Uber or Lyft are recommended, picking up at Terminals A, B, and C.

Read more about IAHby Evie Carrick
HOU

HOU's compact terminal makes it easy to navigate, with quick access to arrivals and departures.

Read more about HOUby Scott Laird
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 San Antonio to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from San Antonio 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 San Antonio to Houston

What is the cheapest month to book a flight from San Antonio to Houston?

Currently, September is the cheapest month in which you can book a flight from San Antonio to Houston (average of $230). Flying from San Antonio to Houston in March is currently the most expensive (average of $331). 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 SAT to HOU?

Find hourly flight availability from San Antonio to Houston. 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.

It’s optimal to fly from San Antonio to Houston in the evening. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight at noon.

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

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

Travelers seeking maximum savings on their San Antonio to Houston flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon 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 San Antonio to Houston?

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with Southwest and United Airlines from San Antonio to Houston 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.
Southwest
8.0
Very good
4,248 reviews

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

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

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

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

Boarding

8.1

Crew

8.6

Entertainment

7.5

Overall

8.0

Comfort

8.0

Food

7.0

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 San Antonio to Houston. 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 from for flights from San Antonio to Houston?

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

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

    For as low as $101, United Airlines can have you in Houston from San Antonio in 1h. The distance from San Antonio to Houston is about 192 mi. All flights are typically nonstop.

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

    Flying on Southwest is currently your cheapest option to Houston, with prices starting at $97. Another option worth looking into is United Airlines, starting at $124 round trip. Southwest is currently priced 71% below the average price you’ll pay for this route.

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

    Looking at all options, your cheapest flight can be booked for $68. While the most popular route (San Antonio - Houston Hobby) can be booked for $101 on average, our data indicates $291 when flying from San Antonio to Houston.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Antonio to Houston 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 San Antonio to Houston?

    Currently, September is the cheapest month in which you can book a flight from San Antonio to Houston (average of $230). Flying from San Antonio to Houston in March is currently the most expensive (average of $331). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Antonio to Houston

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

Discover the top 2 airlines that operate flights from San Antonio to Houston. 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
SouthwestCheapest$97Average$280FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$124Average$352FlexibilityNo cancel feeOn-time69%

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