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Cheap flights from San Antonio to Houston from $79

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 9/20. 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

Frontier Logo
11:33 am - 9:52 pmSAT-IAH
10h 19m1 stop
Frontier Logo
5:47 pm - 4:30 pmIAH-SAT
22h 43m1 stop
$170Frontier
Find Deal
jue., sep. 18 - jue., sep. 25
Spirit Airlines Logo
8:37 pm - 4:30 amSAT-IAH
7h 53m1 stop
Spirit Airlines Logo
7:10 am - 7:32 pmIAH-SAT
12h 22m1 stop
$172Spirit Airlines
Find Deal
sáb., sep. 20 - sáb., sep. 27
United Airlines Logo
2:14 pm - 3:18 pmSAT-IAH
1h 04mnonstop
United Airlines Logo
7:40 am - 8:48 amIAH-SAT
1h 08mnonstop
$189United Airlines
Find Deal
mar., nov. 11 - mar., nov. 18
Southwest Logo
6:20 am - 7:20 amSAT-HOU
1h 00mnonstop
Southwest Logo
11:05 am - 12:10 pmHOU-SAT
1h 05mnonstop
$189Southwest
Find Deal
mar., nov. 11 - mar., nov. 18
United Airlines Logo
11:45 am - 12:49 pmSAT-IAH
1h 04mnonstop
United Airlines Logo
9:44 am - 10:49 amIAH-SAT
1h 05mnonstop
$199United Airlines
Find Deal
jue., sep. 25 - mar., sep. 30
Southwest Logo
11:55 am - 4:45 pmSAT-HOU
4h 50m1 stop
Southwest Logo
4:45 pm - 5:50 pmHOU-SAT
1h 05mnonstop
$199Southwest
Find Deal
mar., nov. 11 - mar., nov. 18
Logo
11:33 am - 10:30 pmSAT-IAH
10h 57m1 stop
Logo
8:14 pm - 4:30 pmIAH-SAT
20h 16m2 stops
$218
Find Deal
jue., sep. 18 - jue., sep. 25
Logo
11:33 am - 10:30 pmSAT-IAH
10h 57m1 stop
Logo
8:26 pm - 4:30 pmIAH-SAT
20h 04m2 stops
$222
Find Deal
jue., sep. 11 - jue., sep. 18
American Airlines Logo
6:00 am - 9:42 amSAT-HOU
3h 42m1 stop
American Airlines Logo
8:11 pm - 11:43 pmHOU-SAT
3h 32m1 stop
$289American Airlines
Find Deal
mar., oct. 7 - lun., oct. 27
American Airlines Logo
5:00 am - 8:29 amSAT-HOU
3h 29m1 stop
American Airlines Logo
8:20 pm - 11:50 pmHOU-SAT
3h 30m1 stop
$320American Airlines
Find Deal
vie., oct. 31 - dom., nov. 2

Southwest flights from San Antonio to Houston

Our best Southwest deals on San Antonio to Houston flight tickets
Southwest
Nov 11
SAT6:20 amSan Antonio
1h 00m
HOU7:20 amHouston Hobby
Nov 18
HOU11:05 amHouston Hobby
1h 05m
SAT12:10 pmSan Antonio
$189
Find similar
Southwest
Nov 11
SAT11:55 amSan Antonio
4h 50m
1 stop
HOU4:45 pmHouston Hobby
Nov 18
HOU4:45 pmHouston Hobby
1h 05m
SAT5:50 pmSan Antonio
$199
Find similar
Southwest
Nov 11
SAT6:20 amSan Antonio
1h 00m
HOU7:20 amHouston Hobby
Nov 18
HOU8:40 amHouston Hobby
8h 25m
2 stops
SAT5:05 pmSan Antonio
$200
Find similar

American Airlines flights from San Antonio to Houston

Our best American Airlines deals on San Antonio to Houston flight tickets
American Airlines
Oct 7
SAT6:00 amSan Antonio
3h 42m
1 stop
HOU9:42 amHouston Hobby
Oct 27
HOU8:11 pmHouston Hobby
3h 32m
1 stop
SAT11:43 pmSan Antonio
$289
Find similar
American Airlines
Oct 31
SAT5:00 amSan Antonio
3h 29m
1 stop
HOU8:29 amHouston Hobby
Nov 2
HOU8:20 pmHouston Hobby
3h 30m
1 stop
SAT11:50 pmSan Antonio
$320
Find similar
American Airlines
Oct 8
SAT5:00 amSan Antonio
3h 28m
1 stop
HOU8:28 amHouston Hobby
Oct 15
HOU8:58 amHouston Hobby
5h 08m
1 stop
SAT2:06 pmSan Antonio
$322
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 agosto 25, 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

jue. 9/18

11:33 am-9:52 pm

1 stop10h 19m

Houston George Bush Intcntl

jue. 9/25

5:47 pm-4:30 pm

1 stop22h 43m

$170

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

sáb. 9/20

8:37 pm-4:30 am

1 stop7h 53m

Houston George Bush Intcntl

sáb. 9/27

7:10 am-7:32 pm

1 stop12h 22m

$172

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

mar. 11/11

2:14 pm-3:18 pm

Nonstop1h 04m

Houston George Bush Intcntl

mar. 11/18

7:40 am-8:48 am

Nonstop1h 08m

$189

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

mar. 11/11

6:20 am-7:20 am

Nonstop1h 00m

Houston Hobby

mar. 11/18

11:05 am-12:10 pm

Nonstop1h 05m

$189

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

jue. 9/25

11:45 am-12:49 pm

Nonstop1h 04m

Houston George Bush Intcntl

mar. 9/30

9:44 am-10:49 am

Nonstop1h 05m

$199

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

mar. 11/11

11:55 am-4:45 pm

1 stop4h 50m

Houston Hobby

mar. 11/18

4:45 pm-5:50 pm

Nonstop1h 05m

$199

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

jue. 9/18

11:33 am-10:30 pm

1 stop10h 57m

Houston George Bush Intcntl

jue. 9/25

8:14 pm-4:30 pm

2 stops20h 16m

$218

San AntonioHouston

SAT - IAH

SATIAH

San Antonio

jue. 9/11

11:33 am-10:30 pm

1 stop10h 57m

Houston George Bush Intcntl

jue. 9/18

8:26 pm-4:30 pm

2 stops20h 04m

$222

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

mar. 10/7

6:00 am-9:42 am

1 stop3h 42m

Houston Hobby

lun. 10/27

8:11 pm-11:43 pm

1 stop3h 32m

$289

San AntonioHouston

SAT - HOU

SATHOU

San Antonio

vie. 10/31

5:00 am-8:29 am

1 stop3h 29m

Houston Hobby

dom. 11/2

8:20 pm-11:50 pm

1 stop3h 30m

$320

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 September is, on average, the cheapest month to fly to Houston from San Antonio, with most prices found around $178. The month of March is another great option to travel to Houston, with average flight prices from San Antonio averaging around $218.

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 $390. 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 $476.

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 $578. Try not to purchase tickets at noon because they tend to be around $716. 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

0h 55m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from San Antonio to Houston takes 0h 55m
Direct flights go from San Antonio to Houston every day.
There are 2 airports near Houston: 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 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
United AirlinesPriceFrom $77Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights
SouthwestPriceFrom $97Free CancellationRating
8.0
4,243 reviews
Search Southwest 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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sáb. 8/30
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