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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 11/10. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:45 pm - 7:45 pmSAT-HOU
1h 00mnonstop
Southwest Logo
8:50 am - 9:55 amHOU-SAT
1h 05mnonstop
$157Southwest
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Tue, Nov 18 - Thu, Nov 20
Southwest Logo
1:45 pm - 8:30 pmSAT-HOU
6h 45m1 stop
Southwest Logo
8:50 am - 9:55 amHOU-SAT
1h 05mnonstop
$167Southwest
Find Deal
Tue, Nov 18 - Thu, Nov 20
Multiple Airlines Logo
6:45 am - 1:54 pmSAT-IAH
31h 09m2 stops
Multiple Airlines Logo
2:09 pm - 6:45 pmIAH-SAT
28h 36m1 stop
$169Multiple Airlines
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Tue, Nov 11 - Tue, Nov 18
United Airlines Logo
2:14 pm - 3:18 pmSAT-IAH
1h 04mnonstop
United Airlines Logo
9:51 pm - 10:56 pmIAH-SAT
1h 05mnonstop
$171United Airlines
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Mon, Nov 10 - Mon, Nov 17
Multiple Airlines Logo
7:37 pm - 9:11 amSAT-IAH
13h 34m1 stop
Multiple Airlines Logo
2:09 pm - 6:45 pmIAH-SAT
28h 36m1 stop
$177Multiple Airlines
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Tue, Nov 11 - Tue, Nov 18
Frontier Logo
10:13 am - 11:47 pmSAT-IAH
13h 34m1 stop
Frontier Logo
6:45 am - 9:18 amIAH-SAT
26h 33m1 stop
$188Frontier
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Fri, Dec 5 - Sun, Dec 7
Frontier Logo
8:25 pm - 12:39 pmSAT-IAH
16h 14m1 stop
Frontier Logo
6:10 am - 4:40 pmIAH-SAT
10h 30m1 stop
$196Frontier
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Mon, Nov 10 - Mon, Nov 17
Spirit Airlines Logo
6:45 am - 10:04 pmSAT-IAH
15h 19m1 stop
Spirit Airlines Logo
8:47 pm - 6:32 pmIAH-SAT
21h 45m2 stops
$214Spirit Airlines
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Thu, Nov 6 - Mon, Nov 10
Spirit Airlines Logo
7:35 pm - 8:55 amSAT-IAH
13h 20m1 stop
Spirit Airlines Logo
8:47 pm - 6:32 pmIAH-SAT
21h 45m2 stops
$222Spirit Airlines
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Thu, Oct 30 - Mon, Nov 3
United Airlines Logo
6:00 pm - 7:04 pmSAT-IAH
1h 04mnonstop
United Airlines Logo
9:51 pm - 10:56 pmIAH-SAT
1h 05mnonstop
$231United Airlines
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Thu, Nov 6 - Sat, Nov 8

American Airlines flights from San Antonio to Houston

Our best American Airlines deals on San Antonio to Houston flight tickets
American Airlines
Feb 7
SAT5:56 pmSan Antonio
3h 14m
1 stop
IAH9:10 pmHouston George Bush Intcntl
Feb 14
IAH10:01 amHouston George Bush Intcntl
7h 42m
1 stop
SAT5:43 pmSan Antonio
$240
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American Airlines
Oct 31
SAT8:45 amSan Antonio
7h 32m
1 stop
IAH4:17 pmHouston George Bush Intcntl
Nov 2
IAH9:20 amHouston George Bush Intcntl
4h 50m
1 stop
SAT2:10 pmSan Antonio
$261
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American Airlines
Nov 11
SAT5:00 amSan Antonio
4h 41m
1 stop
HOU9:41 amHouston Hobby
Nov 18
HOU6:37 pmHouston Hobby
3h 38m
1 stop
SAT10:15 pmSan Antonio
$330
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Southwest flights from San Antonio to Houston

Our best Southwest deals on San Antonio to Houston flight tickets
Southwest
Nov 18
SAT6:45 pmSan Antonio
1h 00m
HOU7:45 pmHouston Hobby
Nov 20
HOU8:50 amHouston Hobby
1h 05m
SAT9:55 amSan Antonio
$157
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Southwest
Nov 18
SAT1:45 pmSan Antonio
6h 45m
1 stop
HOU8:30 pmHouston Hobby
Nov 20
HOU8:50 amHouston Hobby
1h 05m
SAT9:55 amSan Antonio
$167
Find similar
Southwest
Nov 6
SAT6:05 pmSan Antonio
1h 00m
HOU7:05 pmHouston Hobby
Nov 10
HOU10:45 pmHouston Hobby
1h 00m
SAT11:45 pmSan Antonio
$171
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momondo Fare Finder

 
Customize your flight search to find flights from San Antonio to Houston 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 14, 2025.
Use the filters below to find and compare flights from San Antonio to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

Tue 11/18

6:45 pm-7:45 pm

Nonstop1h 00m

Houston Hobby

Thu 11/20

8:50 am-9:55 am

Nonstop1h 05m

$157

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

Tue 11/18

1:45 pm-8:30 pm

1 stop6h 45m

Houston Hobby

Thu 11/20

8:50 am-9:55 am

Nonstop1h 05m

$167

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Tue 11/11

6:45 am-1:54 pm

2 stops31h 09m

Houston George Bush Intcntl

Tue 11/18

2:09 pm-6:45 pm

1 stop28h 36m

$169

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Mon 11/10

2:14 pm-3:18 pm

Nonstop1h 04m

Houston George Bush Intcntl

Mon 11/17

9:51 pm-10:56 pm

Nonstop1h 05m

$171

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Tue 11/11

7:37 pm-9:11 am

1 stop13h 34m

Houston George Bush Intcntl

Tue 11/18

2:09 pm-6:45 pm

1 stop28h 36m

$177

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Fri 12/5

10:13 am-11:47 pm

1 stop13h 34m

Houston George Bush Intcntl

Sun 12/7

6:45 am-9:18 am

1 stop26h 33m

$188

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Mon 11/10

8:25 pm-12:39 pm

1 stop16h 14m

Houston George Bush Intcntl

Mon 11/17

6:10 am-4:40 pm

1 stop10h 30m

$196

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Thu 11/6

6:45 am-10:04 pm

1 stop15h 19m

Houston George Bush Intcntl

Mon 11/10

8:47 pm-6:32 pm

2 stops21h 45m

$214

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Thu 10/30

7:35 pm-8:55 am

1 stop13h 20m

Houston George Bush Intcntl

Mon 11/3

8:47 pm-6:32 pm

2 stops21h 45m

$222

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Thu 11/6

6:00 pm-7:04 pm

Nonstop1h 04m

Houston George Bush Intcntl

Sat 11/8

9:51 pm-10:56 pm

Nonstop1h 05m

$231

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

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?

The month of October is, on average, the cheapest month to fly to Houston from San Antonio, with most prices found around $161. The month of August is another great option to travel to Houston, with average flight prices from San Antonio averaging around $189.

What is the cheapest day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from San Antonio is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $389. However, this price may fluctuate depending on the airline, the season, and holidays. 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 on Saturday is $481.

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

Our data shows that the cheapest San Antonio to Houston flights are usually those with departure times in the morning. Our users have found flights to Houston in the morning for as low as $574. Try not to purchase tickets at noon because they tend to be around $677. 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 flight route?

Fly from San Antonio to Houston Hobby for the best San Antonio - Houston flight prices

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

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

Cheap San Antonio to Houston flight deals and tips

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

Fastest flight time

1h 00m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from San Antonio to Houston takes 1h 00m
Direct flights go from San Antonio to Houston every day.
There are 2 airports near Houston: Houston George Bush Intcntl (IAH), Houston Hobby (HOU)
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  • How far is San Antonio to Houston by plane?

    Houston is 189.1 mi away from San Antonio. By plane, this route typically takes 0h 55m.

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

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

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

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

    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.

  • What documentation or ID do you need to fly to Houston?

    The necessary travel and health documents for your Houston 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.

Best airlines flying from San Antonio to Houston

Compare and see reviews for airlines that fly from San Antonio to Houston with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $97Free CancellationRating
8.0
4,238 reviews
Search Southwest flights
United AirlinesPriceFrom $124Free CancellationRating
7.4
8,976 reviews
Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Houston from San Antonio.

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

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

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

Once all potential San Antonio to Houston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Houston, momondo offers a useful price alert feature which will track prices for flights to Houston from San Antonio and alert you when they change.

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