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$39+ 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 7/30. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SAT
May 19 — May 261
Mon 5/19
Mon 5/26
1 adult, Economy
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Cheap 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 May 14, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$77
(United Airlines)

One-way from

$39
(United Airlines)

Popular in

September

Cheapest in

February

Average price

$162

Good round-trip deal

$157 or less

Good one-way deal

$204 or less
Provider with most accurate pricing for Houston George Bush Intcntl-San Antonio flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-San Antonio flights.
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From Houston George Bush Intcntl to San Antonio
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One-way flight from Houston George Bush Intcntl to San Antonio
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Highest demand for flights based on searches. 26% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in May 2025
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Price to beat on a round-trip flight from Houston George Bush Intcntl to San Antonio.
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Price to beat on a one-way flight from Houston George Bush Intcntl to San Antonio.
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Find 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 May 14, 2025.

This United Airlines deal was found by Cheapflights users on 5/14. 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 6/177:43 amIAH - SAT
Nonstop1h 07mUnited Airlines
Tue 6/176:04 pmSAT - IAH
Nonstop1h 06mUnited Airlines
Deal found 5/14$77
This Mytrip deal was found by Cheapflights users on 5/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/271:51 pmIAH - SAT
1 stop22h 41mSpirit Airlines
Fri 5/301:27 pmSAT - IAH
1 stop18h 48mSpirit Airlines
Deal found 5/13$168
This American Airlines deal was found by Cheapflights users on 5/14. 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 6/107:53 amIAH - SAT
1 stop6h 39mAmerican Airlines
Tue 6/175:20 pmSAT - IAH
1 stop6h 39mAmerican Airlines
Deal found 5/14$171
This Frontier deal was found by Cheapflights users on 5/14. 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.
Sun 8/1711:38 amIAH - SAT
2 stops22h 22mFrontier
Tue 8/1912:36 pmSAT - IAH
1 stop6h 24mFrontier
Deal found 5/14$579

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 May 14, 2025.
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

George Bush Intcntl

Fly to

San Antonio

Route

Depart

Return

Price

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 6/17

7:43 am-8:50 am

Nonstop1h 07m

San Antonio

Wed 6/18

7:00 pm-8:06 pm

Nonstop1h 06m

$77

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 5/27

1:51 pm-12:32 pm

1 stop22h 41m

San Antonio

Fri 5/30

1:27 pm-8:15 am

1 stop18h 48m

$168

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 6/10

7:53 am-2:32 pm

1 stop6h 39m

San Antonio

Tue 6/17

5:20 pm-11:59 pm

1 stop6h 39m

$171

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sun 8/17

11:38 am-10:00 am

2 stops22h 22m

San Antonio

Tue 8/19

12:36 pm-7:00 pm

1 stop6h 24m

$579

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 8/23

12:15 pm-1:22 pm

Nonstop1h 07m

San Antonio

Sun 8/24

7:42 pm-6:24 am

1 stop10h 42m

$610

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 5/27

6:00 am-6:28 pm

1 stop12h 28m

San Antonio

Fri 5/30

7:28 pm-6:20 am

1 stop10h 52m

$963

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 7/30

4:35 pm-5:42 pm

Nonstop1h 07m

$39

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Mon 6/9

5:53 pm-12:57 pm

1 stop19h 04m

$89

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 7/30

7:58 am-2:31 pm

1 stop6h 33m

$91

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 6/28

8:49 pm-5:18 pm

2 stops20h 29m

$153

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/13

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 May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust 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 Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Houston George Bush Intcntl Airport-San Antonio flight deals on Cheapflights vs. Mytrip >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 Mytrip the most. Mytrip 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.

The best insider tips for Houston George Bush Intcntl Airport to San Antonio 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 Houston George Bush Intcntl Airport to San Antonio trip
Airports
IAH

Check the IAH Depart tab on the airport website for current security wait times to save time before your flight.

Read more about IAHby Evie Carrick
SAT

Use Route 5 VIA Metropolitan Transit bus for a budget-friendly 30-minute ride to downtown San Antonio from SAT.

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

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 $295). Flying from Houston George Bush Intcntl Airport to San Antonio in March is currently the most expensive (average of $376). 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 May 14, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 15% on flights from Houston George Bush Intcntl Airport to San Antonio by exploring options for tickets in the morning.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to San Antonio. Price data was last updated on May 11, 2025.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to San Antonio flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Houston George Bush Intcntl Airport to San Antonio

Explore weekly flight availability from George Bush Intcntl 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 May 14, 2025.

The most flights from IAH to SAT are scheduled on a Wednesday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (22 on average).

Rainfall in San Antonio by month

Plan your trip to San Antonio by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

Temperature in San Antonio by month

Plan your trip to San Antonio by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 May 14, 2025.
Read through reviews of airlines operating flights from Houston to San Antonio, such as Alaska Airlines, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,730 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Spirit Airlines
6.3
Okay
7,988 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
6.0
Okay
3,284 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 26 flights from Houston George Bush Intcntl to San Antonio per day from 1 airline.

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

    According to our current data, United Airlines ($77), Spirit Airlines ($168), and American Airlines ($171) offers the cheapest pricing from Houston George Bush Intcntl Airport to San Antonio. United Airlines is priced at 73% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to San Antonio one-way?

    One-way options have recently been found by users for as low as $39 on United Airlines. Other airlines that offer cheap prices include Spirit Airlines from $89 and American Airlines from $91 one-way.

  • 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 ANA (87%), Mesa Airlines (86%) and United Airlines (83%).

  • 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 $77 on average our data indicates $238 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 $295). Flying from Houston George Bush Intcntl Airport to San Antonio in March is currently the most expensive (average of $376). 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 Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
New Braunfels

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Alternative routes for George Bush Intcntl to San Antonio

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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 May 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$117Average$327FlexibilityNo cancel feeOn-time69%

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