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Cheap flights from San Antonio to Houston from $58

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Antonio to Houston departing on 4/29. 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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Cheap round-trip flights

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Multiple Airlines Logo
1:22 pm - 10:18 am
SAT
-
IAH
20h 56m
1 stop
Multiple Airlines Logo
4:02 pm - 3:53 pm
IAH
-
SAT
23h 51m
1 stop
$164Multiple Airlines
Tue, Apr 7 - Tue, Apr 14
Frontier Logo
6:45 am - 10:01 pm
SAT
-
IAH
15h 16m
1 stop
Frontier Logo
10:56 pm - 12:19 am
IAH
-
SAT
25h 23m
1 stop
$197Frontier
Tue, Mar 24 - Tue, Mar 31
Frontier Logo
3:00 pm - 12:48 am
SAT
-
IAH
9h 48m
1 stop
Frontier Logo
6:45 am - 2:13 pm
IAH
-
SAT
7h 28m
1 stop
$215Frontier
Thu, Apr 16 - Sun, Apr 19
Spirit Airlines Logo
1:22 pm - 10:18 am
SAT
-
IAH
20h 56m
1 stop
Spirit Airlines Logo
8:05 pm - 10:18 pm
IAH
-
SAT
26h 13m
2 stops
$217Spirit Airlines
Tue, Apr 7 - Tue, Apr 14
Multiple Airlines Logo
1:22 pm - 10:18 am
SAT
-
IAH
20h 56m
1 stop
Multiple Airlines Logo
6:45 am - 2:15 pm
IAH
-
SAT
7h 30m
1 stop
$219Multiple Airlines
Mon, Apr 13 - Fri, Apr 24
Frontier Logo
2:40 pm - 8:40 am
SAT
-
IAH
18h 00m
1 stop
Frontier Logo
9:15 pm - 1:23 pm
IAH
-
SAT
16h 08m
1 stop
$221Frontier
Mon, Mar 23 - Mon, Mar 30
Frontier Logo
6:45 am - 12:39 am
SAT
-
IAH
17h 54m
1 stop
Frontier Logo
9:15 pm - 1:23 pm
IAH
-
SAT
16h 08m
1 stop
$227Frontier
Wed, Mar 25 - Thu, Mar 26
United Airlines Logo
7:15 pm - 8:24 pm
SAT
-
IAH
1h 09mnonstop
United Airlines Logo
9:43 am - 10:50 am
IAH
-
SAT
1h 07mnonstop
$235United Airlines
Mon, Apr 13 - Fri, Apr 24
United Airlines Logo
2:20 pm - 3:27 pm
SAT
-
IAH
1h 07mnonstop
United Airlines Logo
6:35 pm - 7:48 pm
IAH
-
SAT
1h 13mnonstop
$237United Airlines
Tue, Mar 24 - Wed, Mar 25
Multiple Airlines Logo
10:22 am - 3:56 pm
SAT
-
IAH
29h 34m
1 stop
Multiple Airlines Logo
6:45 am - 12:17 am
IAH
-
SAT
17h 32m
1 stop
$238Multiple Airlines
Sun, Mar 22 - Tue, Mar 31

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

Our best United Airlines deals on San Antonio to Houston George Bush Intcntl Airport flight tickets
United Airlines
Apr 13
SAT7:15 pmSan Antonio
1h 09m
IAH8:24 pmHouston George Bush Intcntl
Apr 24
IAH9:43 amHouston George Bush Intcntl
1h 07m
SAT10:50 amSan Antonio
$235
United Airlines
Mar 24
SAT2:20 pmSan Antonio
1h 07m
IAH3:27 pmHouston George Bush Intcntl
Mar 25
IAH6:35 pmHouston George Bush Intcntl
1h 13m
SAT7:48 pmSan Antonio
$237
United Airlines
Mar 17
SAT7:38 amSan Antonio
1h 07m
IAH8:45 amHouston George Bush Intcntl
Mar 20
IAH4:35 pmHouston George Bush Intcntl
1h 16m
SAT5:51 pmSan Antonio
$259

Frontier flights from San Antonio to Houston George Bush Intcntl Airport

Our best Frontier deals on San Antonio to Houston George Bush Intcntl Airport flight tickets
Frontier
Mar 24
SAT6:45 amSan Antonio
15h 16m
1 stop
IAH10:01 pmHouston George Bush Intcntl
Mar 31
IAH10:56 pmHouston George Bush Intcntl
25h 23m
1 stop
SAT12:19 amSan Antonio
$197
Frontier
Apr 16
SAT3:00 pmSan Antonio
9h 48m
1 stop
IAH12:48 amHouston George Bush Intcntl
Apr 19
IAH6:45 amHouston George Bush Intcntl
7h 28m
1 stop
SAT2:13 pmSan Antonio
$215
Frontier
Mar 23
SAT2:40 pmSan Antonio
18h 00m
1 stop
IAH8:40 amHouston George Bush Intcntl
Mar 30
IAH9:15 pmHouston George Bush Intcntl
16h 08m
1 stop
SAT1:23 pmSan Antonio
$221

momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Houston George Bush Intcntl Airport 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 February 24, 2026.
Use the filters below to find and compare flights from San Antonio to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Tue 4/7

1:22 pm-10:18 am

1 stop20h 56m

Houston George Bush Intcntl

Tue 4/14

4:02 pm-3:53 pm

1 stop23h 51m

$164

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Tue 3/24

6:45 am-10:01 pm

1 stop15h 16m

Houston George Bush Intcntl

Tue 3/31

10:56 pm-12:19 am

1 stop25h 23m

$197

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Thu 4/16

3:00 pm-12:48 am

1 stop9h 48m

Houston George Bush Intcntl

Sun 4/19

6:45 am-2:13 pm

1 stop7h 28m

$215

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Tue 4/7

1:22 pm-10:18 am

1 stop20h 56m

Houston George Bush Intcntl

Tue 4/14

8:05 pm-10:18 pm

2 stops26h 13m

$217

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Mon 4/13

1:22 pm-10:18 am

1 stop20h 56m

Houston George Bush Intcntl

Fri 4/24

6:45 am-2:15 pm

1 stop7h 30m

$219

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Mon 3/23

2:40 pm-8:40 am

1 stop18h 00m

Houston George Bush Intcntl

Mon 3/30

9:15 pm-1:23 pm

1 stop16h 08m

$221

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Wed 3/25

6:45 am-12:39 am

1 stop17h 54m

Houston George Bush Intcntl

Thu 3/26

9:15 pm-1:23 pm

1 stop16h 08m

$227

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Mon 4/13

7:15 pm-8:24 pm

Nonstop1h 09m

Houston George Bush Intcntl

Fri 4/24

9:43 am-10:50 am

Nonstop1h 07m

$235

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Tue 3/24

2:20 pm-3:27 pm

Nonstop1h 07m

Houston George Bush Intcntl

Wed 3/25

6:35 pm-7:48 pm

Nonstop1h 13m

$237

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Sun 3/22

10:22 am-3:56 pm

1 stop29h 34m

Houston George Bush Intcntl

Tue 3/31

6:45 am-12:17 am

1 stop17h 32m

$238

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 Houston from

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

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 Houston George Bush Intcntl Airport?

The month of September is, on average, the cheapest month to fly to Houston George Bush Intcntl Airport from San Antonio, with most prices found around $184. If you are unable to visit Houston George Bush Intcntl Airport during the month of September, then departing from San Antonio during the month January is also very affordable. Most momondo users find prices during this month for around $218.

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from San Antonio to Houston George Bush Intcntl Airport is on a Thursday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Thursday will often find tickets for as low as $555. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Saturday is $630.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest San Antonio to Houston George Bush Intcntl Airport flights are usually those with departure times in the morning. Our users have found flights to Houston George Bush Intcntl Airport in the morning for as low as $568. Try not to purchase tickets at noon because they tend to be around $655. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

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

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

There are 4 cabin classes available to choose from on San Antonio to Houston George Bush Intcntl 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 San Antonio to Houston George Bush Intcntl Airport flights?

You could potentially save up to 2% on your flight if you consider stops on a San Antonio to Houston George Bush Intcntl Airport flight.

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

As of February 2026, prices for San Antonio to Houston George Bush Intcntl Airport flights are approximately 28% cheaper when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$192

Fastest flight time

0h 55m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from San Antonio in the past 72 hours is $192. The best round-trip flight deal from San Antonio to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $401.
The fastest flight from San Antonio to Houston George Bush Intcntl Airport takes 0h 55m
Direct flights go from San Antonio to Houston George Bush Intcntl Airport every day.
Search flight deals

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

    There are 192.9 mi between San Antonio and Houston George Bush Intcntl. 0h 55m is a normal flight duration for this route.

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

    Prices for flights from San Antonio Airport to Houston George Bush Intcntl Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Antonio Airport to Houston George Bush Intcntl Airport.

  • What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

    The necessary travel and health documents for your Houston George Bush Intcntl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from San Antonio to Houston George Bush Intcntl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $135Free CancellationRating
7.4
9,344 reviews
Search United Airlines flights

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

    The lowest priced United Airlines flight from San Antonio to Houston George Bush Intcntl Airport from the last 72 hours was $135. Generally, United Airlines has 43 flights on this route every week with an average price of $289. United Airlines is rated 7.4/10 by our users.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
Katy
The Woodlands
Conroe
Humble
Cypress
Spring
Montgomery
Tomball
Livingston
Jersey Village

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from San Antonio to Houston. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from San Antonio to Houston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Antonio to Houston.

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

Price alerts on flights to Houston from San Antonio are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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