Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Antonio to Houston from $106

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 8/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Antonio to Houston

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
2:48 pm - 6:59 pm
SAT
-
IAH
4h 11m
1 stop
American Airlines Logo
5:00 am - 8:33 am
IAH
-
SAT
3h 33m
1 stop
$211American Airlines
Tue, Aug 4 - Tue, Aug 11
American Airlines Logo
6:00 am - 9:33 am
SAT
-
IAH
3h 33m
1 stop
American Airlines Logo
9:03 am - 2:53 pm
IAH
-
SAT
5h 50m
1 stop
$217American Airlines
Wed, Aug 5 - Wed, Aug 12
United Airlines Logo
7:35 am - 8:50 am
SAT
-
IAH
1h 15mnonstop
United Airlines Logo
9:40 pm - 10:44 pm
IAH
-
SAT
1h 04mnonstop
$247United Airlines
Tue, Sep 15 - Wed, Sep 16
United Airlines Logo
12:00 pm - 1:07 pm
SAT
-
IAH
1h 07mnonstop
United Airlines Logo
6:50 pm - 7:58 pm
IAH
-
SAT
1h 08mnonstop
$263United Airlines
Thu, Aug 13 - Sun, Aug 16
United Airlines Logo
7:20 pm - 8:33 pm
SAT
-
IAH
1h 13mnonstop
United Airlines Logo
9:35 pm - 10:39 pm
IAH
-
SAT
1h 04mnonstop
$267United Airlines
Tue, Aug 4 - Tue, Aug 11
Frontier Logo
7:49 pm - 10:34 am
SAT
-
IAH
14h 45m
1 stop
Frontier Logo
6:00 am - 6:54 pm
IAH
-
SAT
12h 54m
2 stops
$278Frontier
Wed, Aug 5 - Wed, Aug 12
American Airlines Logo
6:00 am - 9:32 am
SAT
-
IAH
3h 32m
1 stop
American Airlines Logo
6:00 am - 10:01 am
IAH
-
SAT
4h 01m
1 stop
$280American Airlines
Fri, Aug 7 - Sun, Aug 9
Frontier Logo
9:32 pm - 11:27 am
SAT
-
IAH
13h 55m
2 stops
Frontier Logo
6:14 pm - 6:54 pm
IAH
-
SAT
24h 40m
1 stop
$283Frontier
Tue, Aug 4 - Tue, Aug 11
American Airlines Logo
6:00 am - 9:32 am
SAT
-
IAH
3h 32m
1 stop
American Airlines Logo
6:00 am - 10:01 am
IAH
-
SAT
4h 01m
1 stop
$291American Airlines
Fri, Aug 7 - Fri, Aug 14
United Airlines Logo
5:30 am - 6:37 am
SAT
-
IAH
1h 07mnonstop
United Airlines Logo
2:31 pm - 3:39 pm
IAH
-
SAT
1h 08mnonstop
$299United Airlines
Sat, Aug 1 - Sat, Aug 8

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
Sep 15
SAT7:35 amSan Antonio
1h 15m
IAH8:50 amHouston George Bush Intcntl
Sep 16
IAH9:40 pmHouston George Bush Intcntl
1h 04m
SAT10:44 pmSan Antonio
$247
United Airlines
Aug 13
SAT12:00 pmSan Antonio
1h 07m
IAH1:07 pmHouston George Bush Intcntl
Aug 16
IAH6:50 pmHouston George Bush Intcntl
1h 08m
SAT7:58 pmSan Antonio
$263
United Airlines
Aug 4
SAT7:20 pmSan Antonio
1h 13m
IAH8:33 pmHouston George Bush Intcntl
Aug 11
IAH9:35 pmHouston George Bush Intcntl
1h 04m
SAT10:39 pmSan Antonio
$267

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
Aug 5
SAT7:49 pmSan Antonio
14h 45m
1 stop
IAH10:34 amHouston George Bush Intcntl
Aug 12
IAH6:00 amHouston George Bush Intcntl
12h 54m
2 stops
SAT6:54 pmSan Antonio
$278
Frontier
Aug 4
SAT9:32 pmSan Antonio
13h 55m
2 stops
IAH11:27 amHouston George Bush Intcntl
Aug 11
IAH6:14 pmHouston George Bush Intcntl
24h 40m
1 stop
SAT6:54 pmSan Antonio
$283
Frontier
Aug 7
SAT9:32 pmSan Antonio
24h 57m
2 stops
IAH10:29 pmHouston George Bush Intcntl
Aug 14
IAH10:09 pmHouston George Bush Intcntl
20h 45m
1 stop
SAT6:54 pmSan Antonio
$338

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 July 9, 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

Cheapest round-trip

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Tue 8/4

2:48 pm-6:59 pm

1 stop4h 11m

Houston George Bush Intcntl

Tue 8/11

5:00 am-8:33 am

1 stop3h 33m

$211

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Wed 8/5

6:00 am-9:33 am

1 stop3h 33m

Houston George Bush Intcntl

Wed 8/12

9:03 am-2:53 pm

1 stop5h 50m

$217

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Tue 9/15

7:35 am-8:50 am

Nonstop1h 15m

Houston George Bush Intcntl

Wed 9/16

9:40 pm-10:44 pm

Nonstop1h 04m

$247
Quickest round-trip

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Thu 8/13

12:00 pm-1:07 pm

Nonstop1h 07m

Houston George Bush Intcntl

Sun 8/16

6:50 pm-7:58 pm

Nonstop1h 08m

$263

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Tue 8/4

7:20 pm-8:33 pm

Nonstop1h 13m

Houston George Bush Intcntl

Tue 8/11

9:35 pm-10:39 pm

Nonstop1h 04m

$267

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Wed 8/5

7:49 pm-10:34 am

1 stop14h 45m

Houston George Bush Intcntl

Wed 8/12

6:00 am-6:54 pm

2 stops12h 54m

$278

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Fri 8/7

6:00 am-9:32 am

1 stop3h 32m

Houston George Bush Intcntl

Sun 8/9

6:00 am-10:01 am

1 stop4h 01m

$280

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Tue 8/4

9:32 pm-11:27 am

2 stops13h 55m

Houston George Bush Intcntl

Tue 8/11

6:14 pm-6:54 pm

1 stop24h 40m

$283

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Fri 8/7

6:00 am-9:32 am

1 stop3h 32m

Houston George Bush Intcntl

Fri 8/14

6:00 am-10:01 am

1 stop4h 01m

$291

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Sat 8/1

5:30 am-6:37 am

Nonstop1h 07m

Houston George Bush Intcntl

Sat 8/8

2:31 pm-3:39 pm

Nonstop1h 08m

$299

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 December is also very affordable. Most momondo users find prices during this month for around $248.

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 $546. 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 $634.

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 evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $555. Try not to purchase tickets at noon because they tend to be around $638. 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 Airport flights?

There are 4 cabin classes available to choose from on San Antonio to Houston George Bush Intcntl Airport 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 6% 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 July 2026, prices for San Antonio to Houston George Bush Intcntl Airport flights are approximately 26% more expensive 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

$243

Fastest flight time

1h 00m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from San Antonio in the past 72 hours is $243. The best round-trip flight deal from San Antonio to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $517.
The fastest flight from San Antonio to Houston George Bush Intcntl Airport takes 1h 00m
Direct flights go from San Antonio to Houston George Bush Intcntl Airport every day.
Search flight deals

Frequently asked questions about flying from San Antonio to Houston George Bush Intcntl Airport

  • 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. 1h 00m 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 $157Free CancellationRating
7.4
9,948 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 $157. Generally, United Airlines has 39 flights on this route every week with an average price of $309. 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
Humble
Conroe
Spring
Cypress
Montgomery
Jersey Village
Tomball
Livingston

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.

An easier way to manage your Houston George Bush Intcntl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 8/8
Sat 8/15
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Houston