HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Antonio

$65+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SAT
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Houston to San Antonio with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 January 20, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/19. 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 2/165:46 am
IAH
-
SAT
1 stop27h 44m
Multiple Airlines
Mon 2/238:22 pm
SAT
-
IAH
1 stop27h 10m
Multiple Airlines
Deal found 1/19$185
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 2/257:59 pm
IAH
-
SAT
1 stop17h 13m
Frontier
Sun 3/15:04 pm
SAT
-
IAH
1 stop29h 48m
Frontier
Deal found 1/20$186
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 2/144:20 pm
IAH
-
SAT
1 stop7h 39m
Multiple Airlines
Sat 2/211:57 pm
SAT
-
IAH
1 stop17h 58m
Multiple Airlines
Deal found 1/20$190
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 2/85:05 am
IAH
-
SAT
1 stop11h 58m
Multiple Airlines
Wed 2/116:30 am
SAT
-
IAH
1 stop12h 34m
Multiple Airlines
Deal found 1/20$191
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 2/116:45 am
IAH
-
SAT
1 stop9h 32m
Multiple Airlines
Sat 2/1410:26 am
SAT
-
IAH
1 stop8h 27m
Multiple Airlines
Deal found 1/19$195
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 2/122:41 pm
IAH
-
SAT
2 stops22h 31m
Multiple Airlines
Mon 2/165:04 pm
SAT
-
IAH
1 stop24h 08m
Multiple Airlines
Deal found 1/19$206
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 2/257:21 am
IAH
-
SAT
2 stops16h 38m
Multiple Airlines
Sun 3/15:04 pm
SAT
-
IAH
1 stop6h 05m
Multiple Airlines
Deal found 1/20$223
This Southwest deal was found by Cheapflights users on 1/20. 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 2/258:30 pm
HOU
-
SAT
Nonstop1h 05m
Southwest
Sun 3/16:00 pm
SAT
-
HOU
Nonstop1h 00m
Southwest
Deal found 1/20$262
This Southwest deal was found by Cheapflights users on 1/20. 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 2/1210:10 pm
HOU
-
SAT
Nonstop1h 00m
Southwest
Sat 2/146:20 am
SAT
-
HOU
Nonstop1h 00m
Southwest
Deal found 1/20$281
This Southwest deal was found by Cheapflights users on 1/20. 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 3/1210:10 am
HOU
-
SAT
Nonstop1h 05m
Southwest
Sat 3/146:45 pm
SAT
-
HOU
Nonstop1h 00m
Southwest
Deal found 1/20$284
This Southwest deal was found by Cheapflights users on 1/20. 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 3/2110:50 pm
HOU
-
SAT
Nonstop1h 05m
Southwest
Sun 3/226:10 am
SAT
-
HOU
Nonstop1h 05m
Southwest
Deal found 1/20$287
This Southwest deal was found by Cheapflights users on 1/20. 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.
Sun 2/811:05 am
HOU
-
SAT
Nonstop1h 05m
Southwest
Wed 2/117:15 am
SAT
-
HOU
Nonstop1h 00m
Southwest
Deal found 1/20$289

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 January 20, 2026.

Round-trip from

$173
(Kiwi.com)

One-way from

$65
(Kiwi.com)

Popular in

January

Cheapest in

August

Average price

$595
From Houston to San Antonio
Search Deals
One-way flight from Houston to San Antonio
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($91 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 20, 2026.
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

Mon 2/16

5:46 am-9:30 am

1 stop27h 44m

San Antonio

Mon 2/23

8:22 pm-11:32 pm

1 stop27h 10m

$185

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 2/11

6:45 am-4:17 pm

1 stop9h 32m

San Antonio

Sat 2/14

10:26 am-6:53 pm

1 stop8h 27m

$195

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sun 2/8

6:05 am-5:03 pm

1 stop10h 58m

San Antonio

Wed 2/11

6:30 am-7:04 pm

1 stop12h 34m

$205

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Mon 3/2

9:51 pm-1:45 pm

2 stops15h 54m

San Antonio

Tue 3/17

6:45 am-12:39 am

1 stop17h 54m

$225

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Mon 2/16

5:46 am-9:30 am

1 stop27h 44m

San Antonio

Thu 2/19

1:57 pm-10:41 pm

1 stop8h 44m

$229

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 3/25

6:45 am-12:17 am

1 stop17h 32m

San Antonio

Sun 3/29

2:13 pm-7:29 am

1 stop17h 16m

$245

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 3/25

12:01 pm-1:14 pm

Nonstop1h 13m

San Antonio

Sun 3/29

7:15 pm-8:24 pm

Nonstop1h 09m

$262

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 3/7

1:05 pm-8:06 am

2 stops19h 01m

San Antonio

Mon 3/9

3:26 pm-10:56 pm

1 stop7h 30m

$266

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Fri 2/6

6:05 am-11:52 pm

2 stops17h 47m

San Antonio

Sun 2/8

6:13 pm-10:33 am

1 stop16h 20m

$276

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Wed 2/11

8:30 pm-9:35 pm

Nonstop1h 05m

San Antonio

Sat 2/14

6:20 am-7:20 am

Nonstop1h 00m

$281

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 36 results
1
2
3
4

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 January is currently the most expensive (average of $233). 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 January 20, 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 in the morning, which can drop the price by up to 34% 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 January 17, 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. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Houston to San Antonio

Explore weekly flight availability from Houston to San Antonio. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 20, 2026.

The most flights from HO1 to SAT are scheduled on a Friday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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

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.

Read more
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.

Read more
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.

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 January 20, 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.
Southwest
8.0
Very good
4,266 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

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
4,266 reviews
Southwest
8.0
Very good
4,266 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

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
9,183 reviews
Southwest
8.0
Very good
4,266 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Crew

8.6

Overall

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 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 $281, 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 67% 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 January is currently the most expensive (average of $233). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Houston to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Dallas/Fort Worth flights
Dallas/Fort Worth to Hobby flights
George Bush Intcntl to Dallas/Fort Worth flights
Dallas/Fort Worth to George Bush Intcntl flights
Dallas/Fort Worth to San Antonio flights
Dallas/Fort Worth to El Paso flights
San Antonio to Dallas/Fort Worth flights
El Paso to Hobby flights
El Paso to Dallas/Fort Worth flights
Dallas/Fort Worth to Austin flights
Love Field to Hobby flights
El Paso to George Bush Intcntl flights
Hobby to Love Field flights
El Paso to San Antonio flights
Hobby to San Antonio flights
Hobby to El Paso flights
Austin to Dallas/Fort Worth flights
Hobby to Lubbock flights
Austin to El Paso flights
George Bush Intcntl to El Paso flights
George Bush Intcntl to San Antonio flights
McAllen to Dallas/Fort Worth flights
Hobby to Austin flights
Love Field to El Paso flights
Dallas/Fort Worth to Corpus Christi flights
Austin to Hobby flights
Corpus Christi to Dallas/Fort Worth flights
George Bush Intcntl to Austin flights
San Antonio to Hobby flights
Austin to George Bush Intcntl flights
Love Field to Austin flights
Dallas/Fort Worth to Lubbock flights
San Antonio to Love Field flights
Love Field to San Antonio flights
San Antonio to George Bush Intcntl flights
George Bush Intcntl to Lubbock flights
Amarillo to Hobby flights
El Paso to Austin flights
Harlingen to Dallas/Fort Worth flights
Midland to Dallas/Fort Worth flights
Dallas/Fort Worth to Brownsville flights
San Antonio to El Paso flights
El Paso to Love Field flights
Lubbock to Hobby flights
Dallas/Fort Worth to Midland flights
Midland to Hobby flights
Austin to Lubbock flights
Amarillo to George Bush Intcntl flights
Hobby to Amarillo flights
Midland to George Bush Intcntl flights

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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$97Average$275FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$97Average$269FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.