Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from San Antonio to Houston 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 San Antonio to Houston departing on 9/27. 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
0 bags

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from San Antonio to Houston

Cheap round-trip flights

United Airlines Logo
5:30 am - 6:36 amSAT-IAH
1h 06mnonstop
United Airlines Logo
8:25 pm - 9:29 pmIAH-SAT
1h 04mnonstop
$97United Airlines
Find Deal
Tue, Oct 21 - Sat, Oct 25
United Airlines Logo
5:30 am - 6:34 amSAT-IAH
1h 04mnonstop
United Airlines Logo
8:10 pm - 9:17 pmIAH-SAT
1h 07mnonstop
$157United Airlines
Find Deal
Sat, Sep 20 - Mon, Sep 22
American Airlines Logo
4:02 pm - 10:32 pmSAT-IAH
6h 30m1 stop
American Airlines Logo
10:14 am - 5:43 pmIAH-SAT
7h 29m1 stop
$183American Airlines
Find Deal
Sat, Sep 20 - Mon, Sep 22
Frontier Logo
8:20 pm - 11:09 amSAT-IAH
14h 49m1 stop
Frontier Logo
9:08 pm - 9:10 amIAH-SAT
12h 02m1 stop
$185Frontier
Find Deal
Fri, Sep 12 - Sat, Sep 13
Spirit Airlines Logo
8:37 pm - 4:30 amSAT-IAH
7h 53m1 stop
Spirit Airlines Logo
10:12 pm - 2:00 pmIAH-SAT
15h 48m1 stop
$195Spirit Airlines
Find Deal
Fri, Oct 3 - Mon, Oct 6
Logo
3:22 pm - 9:07 amSAT-IAH
17h 45m2 stops
Logo
6:15 am - 7:15 pmIAH-SAT
13h 00m1 stop
$200
Find Deal
Sat, Sep 20 - Mon, Sep 22
Frontier Logo
5:40 pm - 4:34 pmSAT-IAH
22h 54m1 stop
Frontier Logo
5:47 pm - 4:30 pmIAH-SAT
22h 43m1 stop
$201Frontier
Find Deal
Mon, Sep 22 - Thu, Sep 25
Spirit Airlines Logo
2:59 pm - 5:20 amSAT-IAH
14h 21m1 stop
Spirit Airlines Logo
5:44 am - 1:00 pmIAH-SAT
7h 16m1 stop
$207Spirit Airlines
Find Deal
Fri, Oct 31 - Sun, Nov 2
Logo
8:20 pm - 5:02 pmSAT-IAH
20h 42m2 stops
Logo
9:08 pm - 9:10 amIAH-SAT
12h 02m1 stop
$226
Find Deal
Fri, Sep 12 - Sat, Sep 13
American Airlines Logo
8:34 am - 5:16 pmSAT-IAH
8h 42m1 stop
American Airlines Logo
6:46 pm - 11:50 pmIAH-SAT
5h 04m1 stop
$236American Airlines
Find Deal
Thu, Nov 6 - Sun, Nov 23

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

Our best Spirit Airlines deals on San Antonio to Houston George Bush Intcntl Airport flight tickets
Spirit Airlines
Oct 3
SAT8:37 pmSan Antonio
7h 53m
1 stop
IAH4:30 amHouston George Bush Intcntl
Oct 6
IAH10:12 pmHouston George Bush Intcntl
15h 48m
1 stop
SAT2:00 pmSan Antonio
$195
Find similar
Spirit Airlines
Oct 31
SAT2:59 pmSan Antonio
14h 21m
1 stop
IAH5:20 amHouston George Bush Intcntl
Nov 2
IAH5:44 amHouston George Bush Intcntl
7h 16m
1 stop
SAT1:00 pmSan Antonio
$207
Find similar
Spirit Airlines
Nov 3
SAT2:59 pmSan Antonio
14h 21m
1 stop
IAH5:20 amHouston George Bush Intcntl
Nov 16
IAH8:10 pmHouston George Bush Intcntl
17h 57m
1 stop
SAT2:07 pmSan Antonio
$221
Find similar

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
Sep 12
SAT8:20 pmSan Antonio
14h 49m
1 stop
IAH11:09 amHouston George Bush Intcntl
Sep 13
IAH9:08 pmHouston George Bush Intcntl
12h 02m
1 stop
SAT9:10 amSan Antonio
$185
Find similar
Frontier
Sep 22
SAT5:40 pmSan Antonio
22h 54m
1 stop
IAH4:34 pmHouston George Bush Intcntl
Sep 25
IAH5:47 pmHouston George Bush Intcntl
22h 43m
1 stop
SAT4:30 pmSan Antonio
$201
Find similar
Frontier
Sep 15
SAT5:40 pmSan Antonio
22h 54m
1 stop
IAH4:34 pmHouston George Bush Intcntl
Sep 22
IAH6:05 amHouston George Bush Intcntl
10h 25m
1 stop
SAT4:30 pmSan Antonio
$208
Find similar

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 August 28, 2025.
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 10/21

5:30 am-6:36 am

Nonstop1h 06m

Houston George Bush Intcntl

Sat 10/25

8:25 pm-9:29 pm

Nonstop1h 04m

$97

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Sat 9/20

5:30 am-6:34 am

Nonstop1h 04m

Houston George Bush Intcntl

Mon 9/22

8:10 pm-9:17 pm

Nonstop1h 07m

$157

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Sat 9/20

4:02 pm-10:32 pm

1 stop6h 30m

Houston George Bush Intcntl

Mon 9/22

10:14 am-5:43 pm

1 stop7h 29m

$183

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Fri 9/12

8:20 pm-11:09 am

1 stop14h 49m

Houston George Bush Intcntl

Sat 9/13

9:08 pm-9:10 am

1 stop12h 02m

$185

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Fri 10/3

8:37 pm-4:30 am

1 stop7h 53m

Houston George Bush Intcntl

Mon 10/6

10:12 pm-2:00 pm

1 stop15h 48m

$195

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Sat 9/20

3:22 pm-9:07 am

2 stops17h 45m

Houston George Bush Intcntl

Mon 9/22

6:15 am-7:15 pm

1 stop13h 00m

$200

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Mon 9/22

5:40 pm-4:34 pm

1 stop22h 54m

Houston George Bush Intcntl

Thu 9/25

5:47 pm-4:30 pm

1 stop22h 43m

$201

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Fri 10/31

2:59 pm-5:20 am

1 stop14h 21m

Houston George Bush Intcntl

Sun 11/2

5:44 am-1:00 pm

1 stop7h 16m

$207

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Fri 9/12

8:20 pm-5:02 pm

2 stops20h 42m

Houston George Bush Intcntl

Sat 9/13

9:08 pm-9:10 am

1 stop12h 02m

$226

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Thu 11/6

8:34 am-5:16 pm

1 stop8h 42m

Houston George Bush Intcntl

Sun 11/23

6:46 pm-11:50 pm

1 stop5h 04m

$236

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 January is also very affordable. Most momondo users find prices during this month for around $269.

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 Friday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Friday will often find tickets for as low as $610. 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 Houston George Bush Intcntl Airport on Sunday is $702.

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 $599. Try not to purchase tickets in the evening because they tend to be around $787. 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.

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

As of August 2025, prices for San Antonio to Houston George Bush Intcntl Airport flights are approximately 59% 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

$208

Fastest flight time

1h 01m

Direct flights

Every day
The best one-way flight to Houston George Bush Intcntl Airport from San Antonio in the past 72 hours is $208. The best round-trip flight deal from San Antonio to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $460.
The fastest flight from San Antonio to Houston George Bush Intcntl Airport takes 1h 01m
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. 1h 04m 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 $137Free CancellationRating
7.4
8,944 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 $137. Generally, United Airlines has 43 flights on this route every week with an average price of $329. 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
The Woodlands
Katy
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.

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
Tue 9/2
Tue 9/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Houston