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Cheap flights from San Antonio to Houston from $67

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 2/10. 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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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
5:36 pm - 7:14 pm
SAT
-
IAH
25h 38m1 stop
Frontier Logo
8:18 pm - 1:12 pm
IAH
-
SAT
16h 54m1 stop
$154Frontier
Tue, Feb 24 - Thu, Feb 26
Multiple Airlines Logo
3:55 pm - 10:15 pm
SAT
-
IAH
6h 20m1 stop
Multiple Airlines Logo
8:13 pm - 11:52 pm
IAH
-
SAT
27h 39m1 stop
$163Multiple Airlines
Sat, Jan 10 - Sun, Jan 11
Multiple Airlines Logo
5:02 pm - 8:33 pm
SAT
-
IAH
27h 31m1 stop
Multiple Airlines Logo
8:18 pm - 11:52 pm
IAH
-
SAT
27h 34m1 stop
$171Multiple Airlines
Sun, Jan 18 - Sun, Jan 25
Multiple Airlines Logo
6:30 am - 6:58 pm
SAT
-
IAH
12h 28m1 stop
Multiple Airlines Logo
7:00 pm - 7:29 pm
IAH
-
SAT
24h 29m1 stop
$176Multiple Airlines
Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
10:35 am - 8:40 am
SAT
-
IAH
22h 05m1 stop
Multiple Airlines Logo
10:12 pm - 12:25 pm
IAH
-
SAT
14h 13m1 stop
$178Multiple Airlines
Fri, Jan 30 - Sun, Feb 1
Multiple Airlines Logo
6:30 am - 9:57 pm
SAT
-
IAH
15h 27m1 stop
Multiple Airlines Logo
4:35 pm - 9:40 am
IAH
-
SAT
17h 05m1 stop
$189Multiple Airlines
Wed, Jan 28 - Fri, Jan 30
Spirit Airlines Logo
6:30 am - 11:58 pm
SAT
-
IAH
17h 28m2 stops
Spirit Airlines Logo
12:16 pm - 11:52 pm
IAH
-
SAT
11h 36m1 stop
$193Spirit Airlines
Wed, Jan 21 - Wed, Jan 28
Southwest Logo
7:15 am - 8:15 am
SAT
-
HOU
1h 00mnonstop
Southwest Logo
8:30 pm - 9:35 pm
HOU
-
SAT
1h 05mnonstop
$237Southwest
Wed, Jan 21 - Wed, Jan 28
Southwest Logo
3:10 pm - 8:25 pm
SAT
-
HOU
5h 15m1 stop
Southwest Logo
8:30 pm - 9:35 pm
HOU
-
SAT
1h 05mnonstop
$247Southwest
Wed, Jan 21 - Wed, Jan 28
American Airlines Logo
8:30 am - 3:50 pm
SAT
-
HOU
7h 20m1 stop
American Airlines Logo
6:00 am - 9:32 am
HOU
-
SAT
3h 32m1 stop
$286American Airlines
Tue, Feb 24 - Thu, Feb 26

Southwest flights from San Antonio to Houston

Our best Southwest deals on San Antonio to Houston flight tickets
Southwest
Jan 21
SAT7:15 amSan Antonio
1h 00m
HOU8:15 amHouston Hobby
Jan 28
HOU8:30 pmHouston Hobby
1h 05m
SAT9:35 pmSan Antonio
$237
Find similar
Southwest
Jan 21
SAT3:10 pmSan Antonio
5h 15m
1 stop
HOU8:25 pmHouston Hobby
Jan 28
HOU8:30 pmHouston Hobby
1h 05m
SAT9:35 pmSan Antonio
$247
Find similar
Southwest
Jan 21
SAT12:25 pmSan Antonio
7h 10m
2 stops
HOU7:35 pmHouston Hobby
Jan 28
HOU11:05 amHouston Hobby
1h 05m
SAT12:10 pmSan Antonio
$252
Find similar

American Airlines flights from San Antonio to Houston

Our best American Airlines deals on San Antonio to Houston flight tickets
American Airlines
Jan 21
SAT1:08 pmSan Antonio
8h 02m
1 stop
IAH9:10 pmHouston George Bush Intcntl
Jan 28
IAH12:39 pmHouston George Bush Intcntl
8h 11m
1 stop
SAT8:50 pmSan Antonio
$263
Find similar
American Airlines
Feb 24
SAT8:30 amSan Antonio
7h 20m
1 stop
HOU3:50 pmHouston Hobby
Feb 26
HOU6:00 amHouston Hobby
3h 32m
1 stop
SAT9:32 amSan Antonio
$286
Find similar
American Airlines
Feb 5
SAT1:08 pmSan Antonio
4h 58m
1 stop
HOU6:06 pmHouston Hobby
Feb 8
HOU10:35 amHouston Hobby
3h 41m
1 stop
SAT2:16 pmSan Antonio
$309
Find similar

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 December 23, 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 - IAH

SATIAH

San Antonio

Tue 2/24

5:36 pm-7:14 pm

1 stop25h 38m

Houston George Bush Intcntl

Thu 2/26

8:18 pm-1:12 pm

1 stop16h 54m

$154

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Sat 1/10

3:55 pm-10:15 pm

1 stop6h 20m

Houston George Bush Intcntl

Sun 1/11

8:13 pm-11:52 pm

1 stop27h 39m

$163

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Sun 1/18

5:02 pm-8:33 pm

1 stop27h 31m

Houston George Bush Intcntl

Sun 1/25

8:18 pm-11:52 pm

1 stop27h 34m

$171

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Sat 1/17

6:30 am-6:58 pm

1 stop12h 28m

Houston George Bush Intcntl

Sat 1/24

7:00 pm-7:29 pm

1 stop24h 29m

$176

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Fri 1/30

10:35 am-8:40 am

1 stop22h 05m

Houston George Bush Intcntl

Sun 2/1

10:12 pm-12:25 pm

1 stop14h 13m

$178

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Wed 1/28

6:30 am-9:57 pm

1 stop15h 27m

Houston George Bush Intcntl

Fri 1/30

4:35 pm-9:40 am

1 stop17h 05m

$189

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

Wed 1/21

6:30 am-11:58 pm

2 stops17h 28m

Houston George Bush Intcntl

Wed 1/28

12:16 pm-11:52 pm

1 stop11h 36m

$193

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

Wed 1/21

7:15 am-8:15 am

Nonstop1h 00m

Houston Hobby

Wed 1/28

8:30 pm-9:35 pm

Nonstop1h 05m

$237

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

Wed 1/21

3:10 pm-8:25 pm

1 stop5h 15m

Houston Hobby

Wed 1/28

8:30 pm-9:35 pm

Nonstop1h 05m

$247

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

Tue 2/24

8:30 am-3:50 pm

1 stop7h 20m

Houston Hobby

Thu 2/26

6:00 am-9:32 am

1 stop3h 32m

$286

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 $377. 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 $488.

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 $566. Try not to purchase tickets at noon because they tend to be around $661. 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 George Bush Intcntl 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 05m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from San Antonio to Houston takes 1h 05m
Direct flights go from San Antonio to Houston every day.
There are 2 airports in Houston. From San Antonio there are direct flights to Houston George Bush Intcntl (IAH), Houston Hobby (HOU).
Search flight deals

  • How far is San Antonio to Houston by plane?

    Houston is 189.1 mi away from San Antonio. By plane, this route typically takes 1h 05m.

  • 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
4,253 reviews
Search Southwest flights
United AirlinesPriceFrom $124Free CancellationRating
7.4
9,106 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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