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Cheap flights from Houston George Bush Intcntl Airport to San Antonio from $91

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 4/15. 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

Enter your travel dates to find the best prices.
Frontier Logo
6:45 am - 12:19 am
IAH
-
SAT
17h 34m
1 stop
Frontier Logo
4:04 pm - 11:56 pm
SAT
-
IAH
7h 52m
1 stop
$191Frontier
Sat, Apr 11 - Tue, Apr 14
Frontier Logo
7:45 am - 3:53 pm
IAH
-
SAT
8h 08m
1 stop
Frontier Logo
4:04 pm - 11:56 pm
SAT
-
IAH
7h 52m
1 stop
$193Frontier
Wed, Apr 15 - Tue, Apr 21
Frontier Logo
6:45 am - 12:19 am
IAH
-
SAT
17h 34m
1 stop
Frontier Logo
6:45 am - 9:33 pm
SAT
-
IAH
14h 48m
1 stop
$198Frontier
Thu, Apr 9 - Mon, Apr 13
Frontier Logo
7:45 am - 3:53 pm
IAH
-
SAT
8h 08m
1 stop
Frontier Logo
3:00 pm - 3:07 pm
SAT
-
IAH
24h 07m
1 stop
$204Frontier
Wed, Apr 15 - Mon, Apr 20
Frontier Logo
6:45 am - 12:19 am
IAH
-
SAT
17h 34m
1 stop
Frontier Logo
4:49 pm - 11:56 pm
SAT
-
IAH
7h 07m
1 stop
$211Frontier
Thu, Apr 9 - Wed, Apr 22
Multiple Airlines Logo
4:22 pm - 9:27 am
IAH
-
SAT
17h 05m
1 stop
Multiple Airlines Logo
4:49 pm - 11:56 pm
SAT
-
IAH
7h 07m
1 stop
$212Multiple Airlines
Sat, Apr 11 - Wed, Apr 22
Frontier Logo
7:45 am - 3:53 pm
IAH
-
SAT
8h 08m
1 stop
Frontier Logo
3:00 pm - 12:48 am
SAT
-
IAH
9h 48m
1 stop
$215Frontier
Wed, Apr 15 - Fri, Apr 17
Frontier Logo
7:45 am - 3:53 pm
IAH
-
SAT
8h 08m
1 stop
Frontier Logo
4:04 pm - 12:48 am
SAT
-
IAH
8h 44m
1 stop
$219Frontier
Wed, Apr 15 - Sat, Apr 18
Frontier Logo
10:28 pm - 12:19 am
IAH
-
SAT
25h 51m
1 stop
Frontier Logo
3:00 pm - 11:42 am
SAT
-
IAH
20h 42m
1 stop
$222Frontier
Fri, Apr 10 - Fri, Apr 17
Frontier Logo
6:45 am - 12:19 am
IAH
-
SAT
17h 34m
1 stop
Frontier Logo
1:51 pm - 8:38 am
SAT
-
IAH
18h 47m
1 stop
$227Frontier
Thu, Apr 9 - Mon, Apr 20

Frontier flights from Houston George Bush Intcntl Airport to San Antonio

Our best Frontier deals on Houston George Bush Intcntl Airport to San Antonio flight tickets
Frontier
Apr 11
IAH6:45 amHouston George Bush Intcntl
17h 34m
1 stop
SAT12:19 amSan Antonio
Apr 14
SAT4:04 pmSan Antonio
7h 52m
1 stop
IAH11:56 pmHouston George Bush Intcntl
$191
Frontier
Apr 15
IAH7:45 amHouston George Bush Intcntl
8h 08m
1 stop
SAT3:53 pmSan Antonio
Apr 22
SAT4:49 pmSan Antonio
7h 07m
1 stop
IAH11:56 pmHouston George Bush Intcntl
$193
Frontier
Apr 15
IAH7:45 amHouston George Bush Intcntl
8h 08m
1 stop
SAT3:53 pmSan Antonio
Apr 20
SAT3:00 pmSan Antonio
24h 07m
1 stop
IAH3:07 pmHouston George Bush Intcntl
$204

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
Apr 10
IAH4:22 pmHouston George Bush Intcntl
17h 05m
1 stop
SAT9:27 amSan Antonio
Apr 12
SAT10:22 amSan Antonio
22h 18m
1 stop
IAH8:40 amHouston George Bush Intcntl
$230
Spirit Airlines
Apr 12
IAH5:45 amHouston George Bush Intcntl
27h 42m
1 stop
SAT9:27 amSan Antonio
Apr 19
SAT6:00 amSan Antonio
29h 27m
1 stop
IAH11:27 amHouston George Bush Intcntl
$252
Spirit Airlines
Mar 25
IAH5:15 amHouston George Bush Intcntl
31h 12m
2 stops
SAT12:27 pmSan Antonio
Mar 31
SAT1:22 pmSan Antonio
9h 12m
1 stop
IAH10:34 pmHouston George Bush Intcntl
$267

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 March 17, 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 4/11

6:45 am-12:19 am

1 stop17h 34m

San Antonio

Tue 4/14

4:04 pm-11:56 pm

1 stop7h 52m

$191
Quickest round-trip

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 4/15

7:45 am-3:53 pm

1 stop8h 08m

San Antonio

Tue 4/21

4:04 pm-11:56 pm

1 stop7h 52m

$193

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 4/9

6:45 am-12:19 am

1 stop17h 34m

San Antonio

Mon 4/13

6:45 am-9:33 pm

1 stop14h 48m

$198

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 4/15

7:45 am-3:53 pm

1 stop8h 08m

San Antonio

Mon 4/20

3:00 pm-3:07 pm

1 stop24h 07m

$204

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 4/9

6:45 am-12:19 am

1 stop17h 34m

San Antonio

Wed 4/22

4:49 pm-11:56 pm

1 stop7h 07m

$211

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 4/11

4:22 pm-9:27 am

1 stop17h 05m

San Antonio

Wed 4/22

4:49 pm-11:56 pm

1 stop7h 07m

$212

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 4/15

7:45 am-3:53 pm

1 stop8h 08m

San Antonio

Fri 4/17

3:00 pm-12:48 am

1 stop9h 48m

$215

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 4/15

7:45 am-3:53 pm

1 stop8h 08m

San Antonio

Sat 4/18

4:04 pm-12:48 am

1 stop8h 44m

$219

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Fri 4/10

10:28 pm-12:19 am

1 stop25h 51m

San Antonio

Fri 4/17

3:00 pm-11:42 am

1 stop20h 42m

$222

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 4/9

6:45 am-12:19 am

1 stop17h 34m

San Antonio

Mon 4/20

1:51 pm-8:38 am

1 stop18h 47m

$227

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 August, then book flights to San Antonio from Houston George Bush Intcntl Airport during October instead. Flights to San Antonio in October, while not as cheap as those in August, still average around $197.

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 Wednesday when prices can be found for as low as $271. 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 Sunday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Sunday is $420.

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 morning. momondo users have found flights departing from Houston George Bush Intcntl Airport to San Antonio in the morning for as low as $326. 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 in the evening, with an average ticket price of $415. Departure times in the evening 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?

You could potentially save up to 6% on your flight if you consider stops on a Houston George Bush Intcntl Airport to San Antonio flight.

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

As of March 2026, prices for Houston George Bush Intcntl Airport to San Antonio flights are approximately 27% 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

$148

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 $148. The best round-trip flight deal from Houston George Bush Intcntl Airport to San Antonio found on momondo in the last 72 hours is $302.
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 in San Antonio. From Houston George Bush Intcntl Airport there are direct flights to 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 02m, 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
9,431 reviews
Search United Airlines flights

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

    United Airlines operates around 48 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 $371, 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 9,431 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
Pleasanton
Schertz

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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