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Cheap flights from Houston to San Antonio from $55

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to San Antonio departing on 12/13. 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.
United Airlines Logo
9:44 am - 10:51 amIAH-SAT
1h 07mnonstop
United Airlines Logo
5:59 pm - 7:05 pmSAT-IAH
1h 06mnonstop
$109United Airlines
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Wed, Dec 17 - Wed, Dec 31
United Airlines Logo
6:30 pm - 7:41 pmIAH-SAT
1h 11mnonstop
United Airlines Logo
11:43 am - 12:50 pmSAT-IAH
1h 07mnonstop
$127United Airlines
Find Deal
Tue, Jan 13 - Thu, Jan 15
Spirit Airlines Logo
2:05 pm - 11:45 pmIAH-SAT
9h 40m1 stop
Spirit Airlines Logo
6:45 am - 10:04 pmSAT-IAH
15h 19m1 stop
$139Spirit Airlines
Find Deal
Wed, Nov 12 - Sat, Nov 15
Spirit Airlines Logo
2:05 pm - 11:45 pmIAH-SAT
9h 40m1 stop
Spirit Airlines Logo
7:37 pm - 9:11 amSAT-IAH
13h 34m1 stop
$162Spirit Airlines
Find Deal
Sat, Nov 15 - Sun, Nov 16
Multiple Airlines Logo
5:34 am - 6:32 pmIAH-SAT
12h 58m1 stop
Multiple Airlines Logo
9:25 pm - 9:33 pmSAT-IAH
24h 08m1 stop
$166Multiple Airlines
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Tue, Dec 2 - Fri, Dec 5
Southwest Logo
8:40 pm - 9:40 pmHOU-SAT
1h 00mnonstop
Southwest Logo
8:20 am - 1:45 pmSAT-HOU
5h 25m1 stop
$184Southwest
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Wed, Dec 17 - Wed, Dec 31
Southwest Logo
4:45 pm - 5:50 pmHOU-SAT
1h 05mnonstop
Southwest Logo
4:20 pm - 5:20 pmSAT-HOU
1h 00mnonstop
$186Southwest
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Wed, Dec 17 - Wed, Dec 31
Multiple Airlines Logo
12:01 pm - 9:14 amIAH-SAT
21h 13m1 stop
Multiple Airlines Logo
8:33 pm - 7:49 pmSAT-IAH
23h 16m1 stop
$198Multiple Airlines
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Sun, Nov 16 - Sun, Nov 23
American Airlines Logo
9:35 am - 2:16 pmIAH-SAT
4h 41m1 stop
American Airlines Logo
9:30 am - 5:05 pmSAT-IAH
7h 35m1 stop
$201American Airlines
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Thu, Jan 15 - Sat, Jan 17
American Airlines Logo
6:28 pm - 10:26 pmIAH-SAT
3h 58m1 stop
American Airlines Logo
3:00 pm - 7:25 pmSAT-IAH
4h 25m1 stop
$257American Airlines
Find Deal
Tue, Dec 2 - Tue, Dec 9

American Airlines flights from Houston to San Antonio

Our best American Airlines deals on Houston to San Antonio flight tickets
American Airlines
Jan 15
IAH9:35 amHouston George Bush Intcntl
4h 41m
1 stop
SAT2:16 pmSan Antonio
Jan 17
SAT9:30 amSan Antonio
7h 35m
1 stop
IAH5:05 pmHouston George Bush Intcntl
$201
Find similar
American Airlines
Dec 2
IAH6:28 pmHouston George Bush Intcntl
3h 58m
1 stop
SAT10:26 pmSan Antonio
Dec 9
SAT3:00 pmSan Antonio
4h 25m
1 stop
IAH7:25 pmHouston George Bush Intcntl
$257
Find similar
American Airlines
Mar 3
IAH8:39 pmHouston George Bush Intcntl
3h 29m
1 stop
SAT12:08 amSan Antonio
Mar 4
SAT5:08 amSan Antonio
3h 05m
1 stop
IAH8:13 amHouston George Bush Intcntl
$265
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Frontier flights from Houston to San Antonio

Our best Frontier deals on Houston to San Antonio flight tickets
Frontier
Nov 8
IAH7:00 amHouston George Bush Intcntl
7h 17m
1 stop
SAT2:17 pmSan Antonio
Nov 9
SAT10:46 pmSan Antonio
21h 40m
2 stops
IAH8:26 pmHouston George Bush Intcntl
$205
Find similar
Frontier
Oct 29
IAH7:00 amHouston George Bush Intcntl
30h 19m
2 stops
SAT1:19 pmSan Antonio
Nov 3
SAT10:04 amSan Antonio
10h 22m
1 stop
IAH8:26 pmHouston George Bush Intcntl
$211
Find similar
Frontier
Oct 30
IAH10:11 pmHouston George Bush Intcntl
12h 03m
1 stop
SAT10:14 amSan Antonio
Oct 31
SAT5:35 pmSan Antonio
15h 58m
2 stops
IAH9:33 amHouston George Bush Intcntl
$255
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momondo Fare Finder

 
Customize your flight search to find flights from Houston to San Antonio 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 22, 2025.
Use the filters below to find and compare flights from Houston to San Antonio that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 12/17

9:44 am-10:51 am

Nonstop1h 07m

San Antonio

Wed 12/31

5:59 pm-7:05 pm

Nonstop1h 06m

$109

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 1/13

6:30 pm-7:41 pm

Nonstop1h 11m

San Antonio

Thu 1/15

11:43 am-12:50 pm

Nonstop1h 07m

$127

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 11/12

2:05 pm-11:45 pm

1 stop9h 40m

San Antonio

Sat 11/15

6:45 am-10:04 pm

1 stop15h 19m

$139

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 11/15

2:05 pm-11:45 pm

1 stop9h 40m

San Antonio

Sun 11/16

7:37 pm-9:11 am

1 stop13h 34m

$162

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 12/2

5:34 am-6:32 pm

1 stop12h 58m

San Antonio

Fri 12/5

9:25 pm-9:33 pm

1 stop24h 08m

$166

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Wed 12/17

8:40 pm-9:40 pm

Nonstop1h 00m

San Antonio

Wed 12/31

8:20 am-1:45 pm

1 stop5h 25m

$184

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Wed 12/17

4:45 pm-5:50 pm

Nonstop1h 05m

San Antonio

Wed 12/31

4:20 pm-5:20 pm

Nonstop1h 00m

$186

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sun 11/16

12:01 pm-9:14 am

1 stop21h 13m

San Antonio

Sun 11/23

8:33 pm-7:49 pm

1 stop23h 16m

$198

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 1/15

9:35 am-2:16 pm

1 stop4h 41m

San Antonio

Sat 1/17

9:30 am-5:05 pm

1 stop7h 35m

$201

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 12/2

6:28 pm-10:26 pm

1 stop3h 58m

San Antonio

Tue 12/9

3:00 pm-7:25 pm

1 stop4h 25m

$257

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 San Antonio from

How to get the cheapest flight ticket from Houston to San Antonio

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 San Antonio?

If you aren’t able to travel during the month of August, then book flights to San Antonio from Houston during April instead. Flights to San Antonio in April, while not as cheap as those in August, still average around $232.

What is the cheapest day to depart on your flight to San Antonio?

The cheapest day to depart on your flight to San Antonio is on a Thursday when prices can be found for as low as $296. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Wednesday is $436.

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

According to our data, the cheapest time of day to fly to San Antonio is in the evening. momondo users have found flights departing from Houston to San Antonio in the evening for as low as $290. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to San Antonio are more costly at noon, with an average ticket price of $411. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Houston to San Antonio flight route?

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

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

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

Cheap Houston to San Antonio flight deals and tips

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

Fastest flight time

1h 00m

Direct flights

Every day

Airports in San Antonio

1 airport
The fastest flight from Houston to San Antonio takes 1h 00m
Direct flights go from Houston to San Antonio every day.
There is 1 airport near San Antonio: San Antonio (SAT)
Search flight deals

  • How far is Houston to San Antonio by plane?

    Houston and San Antonio are 189.1 mi apart from one another. 1h 00m is a normal flight duration for this route.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to San Antonio Airport.

  • What documentation or ID do you need to fly to San Antonio Airport?

    The travel and health documents required for your trip to San Antonio Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Antonio Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Houston to San Antonio

Compare and see reviews for airlines that fly from Houston to San Antonio with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $97Free CancellationRating
8.0
4,237 reviews
Search Southwest flights
United AirlinesPriceFrom $114Free CancellationRating
7.4
8,988 reviews
Search United Airlines flights

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville
Boerne
Schertz
Pleasanton

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Houston to San Antonio. momondo saves you time and could save you money on your trip.

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

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

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

Once all potential Houston to San Antonio 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 Houston to San Antonio right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Houston to San Antonio flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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