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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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SAT
Jan 29 — Feb 51
Thu 1/29
Thu 2/5
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 30, 2025.

This United Airlines deal was found by Cheapflights users on 12/28. 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.
Wed 12/3112:00 pmIAH - SAT
Nonstop1h 16mUnited Airlines
Sun 1/49:51 amSAT - IAH
Nonstop1h 07mUnited Airlines
Deal found 12/28$574
This Southwest deal was found by Cheapflights users on 12/28. 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.
Wed 12/318:40 pmHOU - SAT
Nonstop1h 00mSouthwest
Sun 1/46:40 pmSAT - HOU
Nonstop1h 00mSouthwest
Deal found 12/28$574
This Kiwi.com deal was found by Cheapflights users on 12/28. 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.
Wed 12/316:10 amIAH - SAT
2 stops17h 16mMultiple Airlines
Fri 1/910:13 amSAT - IAH
1 stop14h 18mMultiple Airlines
Deal found 12/28$578
This Southwest deal was found by Cheapflights users on 12/28. 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.
Wed 12/318:50 amHOU - SAT
Nonstop1h 05mSouthwest
Fri 1/92:45 pmSAT - HOU
2 stops4h 50mSouthwest
Deal found 12/28$589
This American Airlines deal was found by Cheapflights users on 12/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 amIAH - SAT
1 stop3h 45mAmerican Airlines
Fri 1/97:00 pmSAT - IAH
1 stop3h 49mAmerican Airlines
Deal found 12/28$594
This American Airlines deal was found by Cheapflights users on 12/27. 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.
Sun 12/288:16 pmHOU - SAT
1 stop3h 35mAmerican Airlines
Sat 1/38:19 pmSAT - HOU
1 stop3h 27mAmerican Airlines
Deal found 12/27$594
This United Airlines deal was found by Cheapflights users on 12/29. 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 12/309:32 amIAH - SAT
Nonstop1h 08mUnited Airlines
Tue 12/302:13 pmSAT - IAH
Nonstop1h 07mUnited Airlines
Deal found 12/29$650
This United Airlines deal was found by Cheapflights users on 12/29. 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 12/3112:00 pmIAH - SAT
Nonstop1h 16mUnited Airlines
Thu 1/15:59 pmSAT - IAH
Nonstop1h 06mUnited Airlines
Deal found 12/29$655
This Southwest deal was found by Cheapflights users on 12/29. 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 12/318:40 pmHOU - SAT
Nonstop1h 00mSouthwest
Thu 1/16:20 amSAT - HOU
Nonstop1h 00mSouthwest
Deal found 12/29$655
This American Airlines deal was found by Cheapflights users on 12/29. 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.
Tue 12/306:00 amIAH - SAT
1 stop4h 56mAmerican Airlines
Tue 12/3012:56 pmSAT - IAH
1 stop4h 35mAmerican Airlines
Deal found 12/29$669
This American Airlines deal was found by Cheapflights users on 12/29. 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.
Tue 12/305:40 amHOU - SAT
1 stop4h 05mAmerican Airlines
Tue 12/3011:26 amSAT - HOU
1 stop4h 23mAmerican Airlines
Deal found 12/29$669
This Kiwi.com deal was found by Cheapflights users on 12/28. 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.
Mon 12/296:05 pmIAH - SAT
2 stops29h 21mMultiple Airlines
Mon 1/55:56 pmSAT - IAH
1 stop28h 35mMultiple Airlines
Deal found 12/28$672

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 30, 2025.

Round-trip from

$163
(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 30, 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

Thu 1/22

6:15 pm-12:25 pm

1 stop18h 10m

San Antonio

Mon 1/26

8:24 pm-3:13 pm

1 stop18h 49m

$163

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sun 2/8

10:51 am-7:29 pm

1 stop8h 38m

San Antonio

Tue 2/10

5:12 pm-7:14 pm

1 stop26h 02m

$163

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 1/22

6:15 pm-12:25 pm

1 stop18h 10m

San Antonio

Mon 1/26

10:35 am-10:53 pm

2 stops12h 18m

$179

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sun 2/8

6:05 pm-9:30 am

2 stops15h 25m

San Antonio

Tue 2/10

5:12 pm-11:32 pm

1 stop6h 20m

$197

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 1/22

5:05 am-11:52 pm

3 stops18h 47m

San Antonio

Mon 1/26

6:30 am-8:23 pm

2 stops13h 53m

$243

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 2/12

8:02 pm-9:15 pm

Nonstop1h 13m

San Antonio

Sun 2/15

5:20 am-6:33 am

Nonstop1h 13m

$257

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Mon 2/16

10:10 pm-11:10 pm

Nonstop1h 00m

San Antonio

Tue 2/17

6:00 am-7:00 am

Nonstop1h 00m

$259

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Tue 2/3

11:05 am-12:10 pm

Nonstop1h 05m

San Antonio

Thu 2/5

6:00 am-7:00 am

Nonstop1h 00m

$259

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Fri 1/16

6:00 am-11:52 pm

2 stops17h 52m

San Antonio

Sun 1/18

5:02 pm-8:33 pm

1 stop27h 31m

$260

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sun 2/8

11:55 am-1:08 pm

Nonstop1h 13m

San Antonio

Tue 2/10

11:43 am-12:50 pm

Nonstop1h 07m

$263

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Showing 1-10 of 34 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 30, 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 morning, which can drop the price by up to 32% 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 27, 2025.

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. Sunday 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

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 30, 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
4,251 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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
4,251 reviews
Southwest
8.0
Very good
4,251 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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
9,123 reviews
Southwest
8.0
Very good
4,251 reviews

Food

7.0

Comfort

8.0

Crew

8.6

Entertainment

7.5

Boarding

8.1

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 $259, Frontier can have you in San Antonio from Houston in 1h. 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.

  • 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$97Average$263FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$97Average$269FlexibilityNo cancel feeOn-time63%

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