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$127+ Cheap flights from George Bush Intcntl (IAH) 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SAT
Jul 21 — Jul 281
Tue 7/21
Tue 7/28
1 adult, Economy
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Cheap flight deals from George Bush Intcntl to San Antonio

Cheapest flights from George Bush Intcntl to San Antonio
Explore the most affordable flight options available from George Bush Intcntl to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 21, 2026.

This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/157:20 am
IAH
-
SAT
Nonstop1h 07m
United Airlines
Wed 7/227:20 pm
SAT
-
IAH
Nonstop1h 13m
United Airlines
Deal found 6/19$231
This United Airlines deal was found by Cheapflights users on 6/18. 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 7/142:31 pm
IAH
-
SAT
Nonstop1h 08m
United Airlines
Wed 7/155:57 pm
SAT
-
IAH
Nonstop1h 07m
United Airlines
Deal found 6/18$253
This United Airlines deal was found by Cheapflights users on 6/17. 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.
Mon 8/104:35 pm
IAH
-
SAT
Nonstop1h 09m
United Airlines
Mon 8/177:35 am
SAT
-
IAH
Nonstop1h 15m
United Airlines
Deal found 6/17$269
This Kiwi.com deal was found by Cheapflights users on 6/19. 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.
Sat 8/16:30 am
IAH
-
SAT
1 stop12h 14m
Frontier
Tue 8/47:39 pm
SAT
-
IAH
1 stop14h 55m
Frontier
Deal found 6/19$274
This United Airlines deal was found by Cheapflights users on 6/21. 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 7/257:20 am
IAH
-
SAT
Nonstop1h 07m
United Airlines
Mon 7/275:30 am
SAT
-
IAH
Nonstop1h 07m
United Airlines
Deal found 6/21$280
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 8/1010:09 pm
IAH
-
SAT
1 stop20h 45m
Frontier
Mon 8/177:49 pm
SAT
-
IAH
1 stop14h 45m
Frontier
Deal found 6/17$285
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 9/154:39 pm
IAH
-
SAT
2 stops41h 33m
Frontier
Sat 9/2611:08 am
SAT
-
IAH
1 stop13h 01m
Frontier
Deal found 6/21$298
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 7/76:30 am
IAH
-
SAT
1 stop12h 14m
Frontier
Tue 7/147:39 pm
SAT
-
IAH
1 stop14h 55m
Frontier
Deal found 6/17$300
This United Airlines deal was found by Cheapflights users on 6/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:05 pm
IAH
-
SAT
Nonstop1h 11m
United Airlines
Wed 8/194:12 pm
SAT
-
IAH
Nonstop1h 13m
United Airlines
Deal found 6/20$301
This United Airlines deal was found by Cheapflights users on 6/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/82:31 pm
IAH
-
SAT
Nonstop1h 08m
United Airlines
Mon 8/104:18 pm
SAT
-
IAH
Nonstop1h 07m
United Airlines
Deal found 6/19$305
This Kiwi.com deal was found by Cheapflights users on 6/21. 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 9/154:39 pm
IAH
-
SAT
2 stops41h 33m
Frontier
Thu 9/2411:08 am
SAT
-
IAH
1 stop7h 41m
Frontier
Deal found 6/21$306

Find flight deals from George Bush Intcntl to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$231
(United Airlines)

One-way from

$127
(United Airlines)

Popular in

April

Cheapest in

August

Average price

$348

Good round-trip deal

$304 or less

Good one-way deal

$286 or less
Provider with most accurate pricing for Houston George Bush Intcntl-San Antonio flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-San Antonio flights.
Search Deals
From Houston George Bush Intcntl to San Antonio
Search Deals
One-way flight from Houston George Bush Intcntl to San Antonio
Search Deals
Highest demand for flights based on searches. 29% potential increase in price ($160 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Houston George Bush Intcntl to San Antonio.
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to San Antonio.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl 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 21, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 8/15

6:50 pm-7:58 pm

Nonstop1h 08m

San Antonio

Tue 8/18

9:30 am-10:43 am

Nonstop1h 13m

$231

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 7/14

2:31 pm-3:39 pm

Nonstop1h 08m

San Antonio

Wed 7/15

5:57 pm-7:04 pm

Nonstop1h 07m

$253
Quickest round-trip

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Fri 8/7

9:40 pm-10:42 pm

Nonstop1h 02m

San Antonio

Sat 8/8

9:37 am-10:44 am

Nonstop1h 07m

$280

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 8/18

8:05 pm-9:16 pm

Nonstop1h 11m

San Antonio

Wed 8/19

4:12 pm-5:25 pm

Nonstop1h 13m

$301

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 8/6

7:20 am-8:27 am

Nonstop1h 07m

San Antonio

Mon 8/10

5:30 am-6:37 am

Nonstop1h 07m

$312

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 7/7

6:42 pm-7:50 pm

Nonstop1h 08m

San Antonio

Tue 7/14

4:18 pm-5:25 pm

Nonstop1h 07m

$346

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Mon 7/20

8:05 pm-9:13 pm

Nonstop1h 08m

San Antonio

Wed 7/22

5:57 pm-7:04 pm

Nonstop1h 07m

$350

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Fri 7/24

8:05 pm-9:13 pm

Nonstop1h 08m

San Antonio

Mon 7/27

5:30 am-6:37 am

Nonstop1h 07m

$399

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Fri 7/17

8:05 pm-9:13 pm

Nonstop1h 08m

San Antonio

Fri 7/24

9:37 am-10:44 am

Nonstop1h 07m

$410
Cheapest one-way

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 8/19

12:20 pm-1:29 pm

Nonstop1h 09m

$151

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Compare providers for flights from George Bush Intcntl to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to San Antonio in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from George Bush Intcntl to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from George Bush Intcntl 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 George Bush Intcntl Airport to San Antonio

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to San Antonio?

Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to San Antonio (average of $181). Flying from Houston George Bush Intcntl Airport to San Antonio in April is currently the most expensive (average of $595). 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 IAH to SAT?

Find hourly flight availability from George Bush Intcntl 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 21, 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 32% on flights from Houston George Bush Intcntl Airport to San Antonio by exploring options for tickets at noon.

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to San Antonio?

The best insider tips for Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport 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

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 21, 2026.
Read through reviews of airlines operating flights from Houston George Bush Intcntl Airport to San Antonio, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,868 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,868 reviews
United Airlines
7.4
Good
9,868 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl 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 George Bush Intcntl?

    If you book a flight to San Antonio from Houston George Bush Intcntl, you will be flying to San Antonio, which is the city’s only airport. San Antonio (SAT) is located 7.6 mi from the center of San Antonio. There are 25 flights from Houston George Bush Intcntl to San Antonio per day from 1 airline.

  • How long is the flight from Houston George Bush Intcntl Airport to San Antonio?

    Airlines like United Airlines fly from Houston George Bush Intcntl Airport to San Antonio in about 1h 08m. The time it takes to get you to your destination is usually consistent. The distance between Houston George Bush Intcntl Airport and San Antonio is about 190 mi. Generally, flights for this route are nonstop.

  • What is the cheapest airline to fly from Houston George Bush Intcntl Airport to San Antonio round-trip?

    According to our current data, United Airlines ($181), offers the cheapest pricing from Houston George Bush Intcntl Airport to San Antonio. United Airlines is priced at 54% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to San Antonio?

    The top 3 most reliable airlines when flying from Houston George Bush Intcntl Airport to San Antonio are Air New Zealand (81%), Air Canada (79%) and ANA (75%).

  • What are the cheapest flights from Houston George Bush Intcntl Airport to San Antonio?

    Looking at all options, your cheapest flight can be booked for $128. While the most popular route (Houston George Bush Intcntl - San Antonio) can be booked for $231 on average, our data indicates $441 when flying from Houston George Bush Intcntl Airport to San Antonio.

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

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

  • How can I find direct flights from George Bush Intcntl to San Antonio?

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

  • Can I find deals for business class flights from George Bush Intcntl to San Antonio?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 George Bush Intcntl Airport to San Antonio?

    Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to San Antonio (average of $181). Flying from Houston George Bush Intcntl Airport to San Antonio in April is currently the most expensive (average of $595). 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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Top airline flying from George Bush Intcntl to San Antonio

Discover the top airline that operate flights from George Bush Intcntl 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 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$181Average$437FlexibilityNo cancel feeOn-time69%

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