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Cheap flights from Houston George Bush Intcntl Airport to San Antonio from $49

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to San Antonio departing on 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Houston George Bush Intcntl Airport to San Antonio

Cheap round-trip flights

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United Airlines Logo
9:51 pm - 10:56 pmIAH-SAT
1h 05mnonstop
United Airlines Logo
5:30 am - 6:34 amSAT-IAH
1h 04mnonstop
$97United Airlines
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Mon, Nov 10 - Tue, Nov 11
United Airlines Logo
12:00 pm - 1:12 pmIAH-SAT
1h 12mnonstop
United Airlines Logo
2:22 pm - 3:25 pmSAT-IAH
1h 03mnonstop
$134United Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 8
Multiple Airlines Logo
8:00 am - 6:32 pmIAH-SAT
34h 32m2 stops
Multiple Airlines Logo
10:04 am - 8:26 pmSAT-IAH
10h 22m1 stop
$148Multiple Airlines
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Tue, Nov 4 - Fri, Nov 7
Multiple Airlines Logo
9:11 pm - 9:14 amIAH-SAT
12h 03m1 stop
Multiple Airlines Logo
3:23 pm - 1:54 pmSAT-IAH
22h 31m1 stop
$151Multiple Airlines
Find Deal
Thu, Nov 6 - Tue, Nov 11
Frontier Logo
7:00 am - 2:17 pmIAH-SAT
7h 17m1 stop
Frontier Logo
8:25 pm - 12:39 pmSAT-IAH
16h 14m1 stop
$158Frontier
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Sat, Nov 1 - Mon, Nov 3
Spirit Airlines Logo
2:05 pm - 11:45 pmIAH-SAT
9h 40m1 stop
Spirit Airlines Logo
6:45 am - 10:04 pmSAT-IAH
15h 19m1 stop
$161Spirit Airlines
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Sun, Nov 9 - Tue, Nov 11
American Airlines Logo
9:19 am - 5:00 pmIAH-SAT
7h 41m1 stop
American Airlines Logo
10:33 am - 7:24 pmSAT-IAH
8h 51m1 stop
$183American Airlines
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Thu, Nov 6 - Mon, Nov 10
Spirit Airlines Logo
2:05 pm - 11:45 pmIAH-SAT
9h 40m1 stop
Spirit Airlines Logo
7:37 pm - 9:11 amSAT-IAH
13h 34m1 stop
$185Spirit Airlines
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Sat, Nov 8 - Sun, Nov 9
Frontier Logo
8:07 pm - 7:55 amIAH-SAT
11h 48m1 stop
Frontier Logo
7:56 pm - 10:37 amSAT-IAH
14h 41m1 stop
$198Frontier
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Sat, Dec 6 - Sun, Dec 7
American Airlines Logo
12:10 pm - 5:00 pmIAH-SAT
4h 50m1 stop
American Airlines Logo
9:15 am - 5:35 pmSAT-IAH
8h 20m1 stop
$240American Airlines
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Fri, Nov 21 - Mon, Nov 24

United Airlines flights from Houston George Bush Intcntl Airport to San Antonio

Our best United Airlines deals on Houston George Bush Intcntl Airport to San Antonio flight tickets
United Airlines
Nov 10
IAH9:51 pmHouston George Bush Intcntl
1h 05m
SAT10:56 pmSan Antonio
Nov 11
SAT5:30 amSan Antonio
1h 04m
IAH6:34 amHouston George Bush Intcntl
$97
Find similar
United Airlines
Dec 6
IAH12:00 pmHouston George Bush Intcntl
1h 12m
SAT1:12 pmSan Antonio
Dec 8
SAT2:22 pmSan Antonio
1h 03m
IAH3:25 pmHouston George Bush Intcntl
$134
Find similar
United Airlines
Nov 6
IAH7:40 amHouston George Bush Intcntl
1h 08m
SAT8:48 amSan Antonio
Nov 10
SAT4:24 pmSan Antonio
1h 01m
IAH5:25 pmHouston George Bush Intcntl
$157
Find similar

Spirit Airlines flights from Houston George Bush Intcntl Airport to San Antonio

Our best Spirit Airlines deals on Houston George Bush Intcntl Airport to San Antonio flight tickets
Spirit Airlines
Nov 9
IAH2:05 pmHouston George Bush Intcntl
9h 40m
1 stop
SAT11:45 pmSan Antonio
Nov 11
SAT6:45 amSan Antonio
15h 19m
1 stop
IAH10:04 pmHouston George Bush Intcntl
$161
Find similar
Spirit Airlines
Nov 8
IAH2:05 pmHouston George Bush Intcntl
9h 40m
1 stop
SAT11:45 pmSan Antonio
Nov 9
SAT7:37 pmSan Antonio
13h 34m
1 stop
IAH9:11 amHouston George Bush Intcntl
$185
Find similar
Spirit Airlines
Nov 7
IAH8:47 pmHouston George Bush Intcntl
21h 45m
2 stops
SAT6:32 pmSan Antonio
Nov 9
SAT7:37 pmSan Antonio
13h 34m
1 stop
IAH9:11 amHouston George Bush Intcntl
$201
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momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport 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, momondo users made 832,500 searches. Data last updated October 16, 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

Fly to

Route

Depart

Return

Price

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Mon 11/10

9:51 pm-10:56 pm

Nonstop1h 05m

San Antonio

Tue 11/11

5:30 am-6:34 am

Nonstop1h 04m

$97

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 12/6

12:00 pm-1:12 pm

Nonstop1h 12m

San Antonio

Mon 12/8

2:22 pm-3:25 pm

Nonstop1h 03m

$134

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 11/4

8:00 am-6:32 pm

2 stops34h 32m

San Antonio

Fri 11/7

10:04 am-8:26 pm

1 stop10h 22m

$148

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 11/6

9:11 pm-9:14 am

1 stop12h 03m

San Antonio

Tue 11/11

3:23 pm-1:54 pm

1 stop22h 31m

$151

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 11/1

7:00 am-2:17 pm

1 stop7h 17m

San Antonio

Mon 11/3

8:25 pm-12:39 pm

1 stop16h 14m

$158

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sun 11/9

2:05 pm-11:45 pm

1 stop9h 40m

San Antonio

Tue 11/11

6:45 am-10:04 pm

1 stop15h 19m

$161

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 11/6

9:19 am-5:00 pm

1 stop7h 41m

San Antonio

Mon 11/10

10:33 am-7:24 pm

1 stop8h 51m

$183

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 11/8

2:05 pm-11:45 pm

1 stop9h 40m

San Antonio

Sun 11/9

7:37 pm-9:11 am

1 stop13h 34m

$185

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 12/6

8:07 pm-7:55 am

1 stop11h 48m

San Antonio

Sun 12/7

7:56 pm-10:37 am

1 stop14h 41m

$198

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Fri 11/21

12:10 pm-5:00 pm

1 stop4h 50m

San Antonio

Mon 11/24

9:15 am-5:35 pm

1 stop8h 20m

$240

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Antonio from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to San Antonio

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Antonio?

If you aren’t able to travel during the month of February, then book flights to San Antonio from Houston George Bush Intcntl Airport during August instead. Flights to San Antonio in August, while not as cheap as those in February, still average around $181.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Thursday when prices can be found for as low as $296. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Wednesday is $436.

What is the cheapest time of day to depart on your flight to San Antonio?

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Houston George Bush Intcntl Airport to San Antonio in the evening for as low as $290. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $411. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Houston George Bush Intcntl to San Antonio flight route?

Fly from Houston George Bush Intcntl to San Antonio for the best Houston George Bush Intcntl - San Antonio flight prices

What cabin class options are available on Houston George Bush Intcntl to San Antonio flights?

There are 4 cabin classes available to choose from on Houston George Bush Intcntl to San Antonio flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Houston George Bush Intcntl Airport to San Antonio flights?

No. A direct flight is the cheapest option for a flight between Houston George Bush Intcntl Airport to San Antonio.

How have Houston George Bush Intcntl Airport to San Antonio flight prices changed over time?

As of October 2025, prices for Houston George Bush Intcntl Airport to San Antonio flights are approximately 14% cheaper when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to San Antonio

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to San Antonio according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to San Antonio (IAH to SAT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to San Antonio

Best Price Found

$48

Fastest flight time

1h 02m

Direct flights

Every day

Airports in San Antonio

1 airport
The best one-way flight to San Antonio from Houston George Bush Intcntl Airport in the past 72 hours is $48. The best round-trip flight deal from Houston George Bush Intcntl Airport to San Antonio found on momondo in the last 72 hours is $134.
The fastest flight from Houston George Bush Intcntl Airport to San Antonio takes 1h 02m
Direct flights go from Houston George Bush Intcntl Airport to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)
Search flight deals

  • How far is Houston George Bush Intcntl to San Antonio by plane?

    The distance between Houston George Bush Intcntl and San Antonio is about 192.9 mi. Flights usually cover this in 1h 04m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to San Antonio Airport?

    Prices for flights from Houston George Bush Intcntl Airport to San Antonio Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to San Antonio Airport?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to San Antonio Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston George Bush Intcntl Airport to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents you'll need for your trip to San Antonio Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Antonio Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Houston George Bush Intcntl Airport to San Antonio?

  • What is the most popular airline from Houston George Bush Intcntl Airport to San Antonio?

Best airlines flying from Houston George Bush Intcntl Airport to San Antonio

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $137Free CancellationRating
7.4
8,982 reviews
Search United Airlines flights

  • United Airlines Flights From Houston George Bush Intcntl Airport to San Antonio

    United Airlines operates around 50 flights from Houston George Bush Intcntl Airport to San Antonio every week. The average price of these flights found in the last 72 hours has been $263, but momondo users have found United Airlines deals from Houston George Bush Intcntl Airport to San Antonio from as low as $137 round-trip. United Airlines has been scored 7.4/10 in 8,982 reviews.

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Schertz
Pleasanton

Why use momondo?

Why should I use momondo to find a flight deal from Houston to San Antonio?

Finding the right flight to San Antonio from Houston is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Antonio quick and easy, saving you time and money.

Can I find flights from Houston to San Antonio with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to San Antonio from Houston with this policy.

How can momondo help me find flights from Houston to San Antonio?

Once you have performed a search for Houston to San Antonio flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Houston to San Antonio right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Houston to San Antonio now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Antonio and let you know when they change.

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