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

According to our current data, United Airlines ($157), American Airlines ($183), and Spirit Airlines ($216) offers the cheapest pricing from Houston George Bush Intcntl Airport to San Antonio. United Airlines is priced at 49% 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 $49 on United Airlines. Other airlines that offer cheap prices include American Airlines from $97 and Spirit Airlines from $103 one-way.

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 $73. While the most popular route (Houston George Bush Intcntl - San Antonio) can be booked for $157 on average our data indicates $254 when flying from Houston George Bush Intcntl Airport to San Antonio.

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

Departing on a Monday is a good option for securing a great price. You can expect to save up to 145% when planning your travel around this day of the week.

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

Due to multiple factors, expect to potentially pay more when booking in January. For low rates, April can be a great choice for travel to San Antonio. Flights to San Antonio from Houston George Bush Intcntl Airport in April are about $341 on average during April, but can be found for as low as $112.

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

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.

$49+ Flights from Houston George Bush Intcntl Airport to San Antonio

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Cheap flight deals from George Bush Intcntl to San Antonio

Round-trip from	$157 (United Airlines)
One-way from	$49 (United Airlines)
Popular in	June
Cheapest in	February
Average price	$476
Good round-trip deal	$233 or less
Good one-way deal	$140 or less

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. 8% potential increase in price ($28 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).

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Average for round-trip flights in June 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 June 12, 2025.

Thu 10/168:25 pmIAH - SAT

Nonstop1h 04mUnited Airlines

Mon 10/205:30 amSAT - IAH

Nonstop1h 06mUnited Airlines

Deal found 6/10

$97

Thu 8/147:47 amIAH - SAT

1 stop6h 27mAmerican Airlines

Thu 10/21:44 pmSAT - IAH

1 stop6h 28mAmerican Airlines

Deal found 6/11

$183

Thu 7/105:00 amIAH - SAT

1 stop19h 34mSpirit Airlines

Sun 7/135:38 pmSAT - IAH

1 stop24h 53mSpirit Airlines

Deal found 6/10

$216

Fri 6/206:00 amIAH - SAT

1 stop10h 43mFrontier

Mon 6/235:38 pmSAT - IAH

1 stop22h 09mFrontier

Deal found 6/10

$289

Sun 7/68:56 pmIAH - SAT

1 stop11h 09mMultiple Airlines

Tue 7/812:32 pmSAT - IAH

1 stop5h 39mMultiple Airlines

Deal found 6/11

$290

Best flights from George Bush Intcntl to San Antonio
Discover carefully curated flight deals from George Bush Intcntl to San Antonio that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Thu 8/1412:10 pmIAH - SAT

Nonstop1h 06mUnited Airlines

Thu 10/27:38 pmSAT - IAH

Nonstop1h 07mUnited Airlines

Deal found 6/11

$157

Thu 8/147:47 amIAH - SAT

1 stop6h 27mAmerican Airlines

Thu 10/21:44 pmSAT - IAH

1 stop6h 28mAmerican Airlines

Deal found 6/11

$183

Thu 7/105:00 amIAH - SAT

1 stop19h 34mSpirit Airlines

Sun 7/135:38 pmSAT - IAH

1 stop24h 53mSpirit Airlines

Deal found 6/10

$216

Fri 6/206:00 amIAH - SAT

1 stop10h 43mFrontier

Mon 6/235:38 pmSAT - IAH

1 stop22h 09mFrontier

Deal found 6/10

$289

Sun 7/68:56 pmIAH - SAT

1 stop11h 09mMultiple Airlines

Tue 7/812:32 pmSAT - IAH

1 stop5h 39mMultiple Airlines

Deal found 6/11

$290

Last-minute flights from George Bush Intcntl to San Antonio
Discover last-minute flight deals from George Bush Intcntl to San Antonio. Data last updated June 12, 2025 and is based on user searches.

Tue 6/179:37 amIAH - SAT

Nonstop1h 07mUnited Airlines

Thu 7/179:56 amSAT - IAH

Nonstop1h 06mUnited Airlines

Deal found 6/9

$386

Fri 6/206:00 amIAH - SAT

1 stop10h 43mFrontier

Mon 6/235:38 pmSAT - IAH

1 stop22h 09mFrontier

Deal found 6/10

$289

Sat 6/216:10 amIAH - SAT

1 stop5h 27mSpirit Airlines

Mon 6/2312:32 pmSAT - IAH

1 stop20h 11mSpirit Airlines

Deal found 6/10

$259

Sun 7/68:56 pmIAH - SAT

1 stop11h 09mMultiple Airlines

Tue 7/812:32 pmSAT - IAH

1 stop5h 39mMultiple Airlines

Deal found 6/11

$290

Sun 7/67:21 pmIAH - SAT

1 stop3h 50mAmerican Airlines

Thu 7/105:00 amSAT - IAH

1 stop4h 17mAmerican Airlines

Deal found 6/9

$310

Thu 7/105:00 amIAH - SAT

1 stop19h 34mSpirit Airlines

Sun 7/135:38 pmSAT - IAH

1 stop24h 53mSpirit Airlines

Deal found 6/10

$216

Mon 7/2112:10 pmIAH - SAT

Nonstop1h 06mUnited Airlines

Wed 7/232:15 pmSAT - IAH

Nonstop1h 07mUnited Airlines

Deal found 6/10

$257

One-way flights from George Bush Intcntl to San Antonio
Search for one-way flight options from George Bush Intcntl to San Antonio. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Mon 8/44:35 pmIAH - SAT

Nonstop1h 07mUnited Airlines

Deal found 6/10

$49

Tue 8/54:24 pmIAH - SAT

1 stop7h 34mAmerican Airlines

Deal found 6/12

$97

Fri 8/224:56 pmIAH - SAT

1 stop18h 18mSpirit Airlines

Deal found 6/10

$103

Sat 8/96:31 pmIAH - SAT

2 stops22h 02mMultiple Airlines

Deal found 6/11

$152

Fri 8/83:55 pmIAH - SAT

1 stop6h 22mDelta

Deal found 6/11

$162

Fri 8/158:46 pmIAH - SAT

2 stops21h 16mFrontier

Deal found 6/11

$237

Cheapflights Fare Finder

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

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 8/14

12:10 pm-1:16 pm

Nonstop1h 06m

San Antonio

Thu 10/2

7:38 pm-8:45 pm

Nonstop1h 07m

$157

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 8/14

7:47 am-2:14 pm

1 stop6h 27m

San Antonio

Thu 10/2

1:44 pm-8:12 pm

1 stop6h 28m

$183

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 7/10

5:00 am-12:34 am

1 stop19h 34m

San Antonio

Sun 7/13

5:38 pm-6:31 pm

1 stop24h 53m

$216

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Fri 6/20

6:00 am-4:43 pm

1 stop10h 43m

San Antonio

Mon 6/23

5:38 pm-3:47 pm

1 stop22h 09m

$289

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sun 7/6

8:56 pm-8:05 am

1 stop11h 09m

San Antonio

Tue 7/8

12:32 pm-6:11 pm

1 stop5h 39m

$290

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Mon 8/4

4:35 pm-5:42 pm

Nonstop1h 07m

$49

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 8/5

4:24 pm-11:58 pm

1 stop7h 34m

$97

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Fri 8/22

4:56 pm-11:14 am

1 stop18h 18m

$103

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 8/9

6:31 pm-4:33 pm

2 stops22h 02m

$152

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Fri 8/8

3:55 pm-10:17 pm

1 stop6h 22m

$162

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 11 results

The best insider tips for Houston George Bush Intcntl Airport to San Antonio flights

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.

SAT

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

Our travel experts

Evie Carrick

Expert on IAH

Ramsey Qubein

Expert on SAT

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?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 17% 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?

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. Thursday evenings 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

The most flights from IAH to SAT are scheduled on a Wednesday (29 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (20 on average).

Rainfall in San Antonio 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

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

Read through reviews of airlines operating flights from Houston to San Antonio, such as Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Spirit Airlines

6.3

Okay

8,052 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Frontier

5.9

Fair

3,295 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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 24 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 ($157), American Airlines ($183), and Spirit Airlines ($216) offers the cheapest pricing from Houston George Bush Intcntl Airport to San Antonio. United Airlines is priced at 49% 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 $49 on United Airlines. Other airlines that offer cheap prices include American Airlines from $97 and Spirit Airlines from $103 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 Mesa Airlines (84%), ANA (82%) and United Airlines (82%).
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 $73. While the most popular route (Houston George Bush Intcntl - San Antonio) can be booked for $157 on average our data indicates $254 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

New Braunfels

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Top airline flying from George Bush Intcntl to San Antonio

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$137	Average$333	FlexibilityNo cancel fee	On-time69%

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$49+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from George Bush Intcntl to San Antonio with Cheapflights

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Cheap flight deals from 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 AntonioExplore 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 12, 2025.

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 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to San Antonio that are best for you.

The best insider tips for Houston George Bush Intcntl Airport to San Antonio flights

Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to San Antonio trip

Airports

IAH

SAT

Our travel experts

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.

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?

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 12, 2025.

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 June 8, 2025.

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

Rainfall in San Antonio by month

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

Temperature in San Antonio by month

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

Reviews of airlines servicing San Antonio

Read through reviews of airlines operating flights from Houston to San Antonio, such as Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

What are the cheapest flights 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?

How can I 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?

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

Traveling to a place near Houston George Bush Intcntl Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for George Bush Intcntl to San Antonio

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from George Bush Intcntl to San Antonio

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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 12, 2025.