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Cheap flights from Houston to San Antonio 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 Houston to San Antonio departing on 11/24. 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

United Airlines Logo
7:33 am - 8:38 amIAH-SAT
1h 05mnonstop
United Airlines Logo
5:30 am - 6:36 amSAT-IAH
1h 06mnonstop
$97United Airlines
Find Deal
Mon, Oct 13 - Mon, Oct 20
Southwest Logo
8:00 am - 9:00 amHOU-SAT
1h 00mnonstop
Southwest Logo
8:30 pm - 9:30 pmSAT-HOU
1h 00mnonstop
$97Southwest
Find Deal
Mon, Oct 13 - Mon, Oct 20
Southwest Logo
1:30 pm - 2:30 pmHOU-SAT
1h 00mnonstop
Southwest Logo
5:45 pm - 10:35 pmSAT-HOU
4h 50m1 stop
$107Southwest
Find Deal
Mon, Oct 13 - Mon, Oct 20
United Airlines Logo
7:33 am - 8:38 amIAH-SAT
1h 05mnonstop
United Airlines Logo
7:38 pm - 8:44 pmSAT-IAH
1h 06mnonstop
$134United Airlines
Find Deal
Fri, Oct 10 - Mon, Oct 13
Frontier Logo
6:00 am - 3:14 pmIAH-SAT
9h 14m1 stop
Frontier Logo
12:09 pm - 11:36 pmSAT-IAH
11h 27m1 stop
$153Frontier
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Tue, Oct 21 - Thu, Oct 23
Frontier Logo
6:00 am - 7:30 pmIAH-SAT
13h 30m1 stop
Frontier Logo
8:25 pm - 10:37 amSAT-IAH
14h 12m1 stop
$163Frontier
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Fri, Oct 31 - Fri, Nov 7
American Airlines Logo
9:19 am - 5:00 pmIAH-SAT
7h 41m1 stop
American Airlines Logo
12:55 pm - 7:24 pmSAT-IAH
6h 29m1 stop
$183American Airlines
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Thu, Nov 6 - Mon, Nov 10
Spirit Airlines Logo
8:10 pm - 2:07 pmIAH-SAT
17h 57m1 stop
Spirit Airlines Logo
3:02 pm - 6:20 amSAT-IAH
15h 18m1 stop
$211Spirit Airlines
Find Deal
Mon, Dec 8 - Fri, Dec 12
Spirit Airlines Logo
8:10 pm - 2:07 pmIAH-SAT
17h 57m1 stop
Spirit Airlines Logo
3:02 pm - 6:20 amSAT-IAH
15h 18m1 stop
$221Spirit Airlines
Find Deal
Fri, Nov 7 - Sun, Nov 9
American Airlines Logo
8:20 pm - 11:50 pmHOU-SAT
3h 30m1 stop
American Airlines Logo
9:14 am - 3:54 pmSAT-HOU
6h 40m1 stop
$246American Airlines
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Thu, Nov 6 - Mon, Nov 10

United Airlines flights from Houston to San Antonio

Our best United Airlines deals on Houston to San Antonio flight tickets
United Airlines
Oct 13
IAH7:33 amHouston George Bush Intcntl
1h 05m
SAT8:38 amSan Antonio
Oct 20
SAT5:30 amSan Antonio
1h 06m
IAH6:36 amHouston George Bush Intcntl
$97
Find similar
United Airlines
Oct 10
IAH7:33 amHouston George Bush Intcntl
1h 05m
SAT8:38 amSan Antonio
Oct 13
SAT7:38 pmSan Antonio
1h 06m
IAH8:44 pmHouston George Bush Intcntl
$134
Find similar
United Airlines
Nov 6
IAH7:40 amHouston George Bush Intcntl
1h 08m
SAT8:48 amSan Antonio
Nov 10
SAT7:30 pmSan Antonio
1h 09m
IAH8:39 pmHouston George Bush Intcntl
$157
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American Airlines flights from Houston to San Antonio

Our best American Airlines deals on Houston to San Antonio flight tickets
American Airlines
Nov 6
IAH9:19 amHouston George Bush Intcntl
7h 41m
1 stop
SAT5:00 pmSan Antonio
Nov 10
SAT12:55 pmSan Antonio
6h 29m
1 stop
IAH7:24 pmHouston George Bush Intcntl
$183
Find similar
American Airlines
Nov 6
HOU8:20 pmHouston Hobby
3h 30m
1 stop
SAT11:50 pmSan Antonio
Nov 10
SAT9:14 amSan Antonio
6h 40m
1 stop
HOU3:54 pmHouston Hobby
$246
Find similar
American Airlines
Nov 13
HOU6:22 pmHouston Hobby
5h 28m
1 stop
SAT11:50 pmSan Antonio
Nov 17
SAT6:00 amSan Antonio
3h 41m
1 stop
HOU9:41 amHouston Hobby
$309
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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 September 16, 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

Mon 10/13

7:33 am-8:38 am

Nonstop1h 05m

San Antonio

Mon 10/20

5:30 am-6:36 am

Nonstop1h 06m

$97

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Mon 10/13

8:00 am-9:00 am

Nonstop1h 00m

San Antonio

Mon 10/20

8:30 pm-9:30 pm

Nonstop1h 00m

$97

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Mon 10/13

1:30 pm-2:30 pm

Nonstop1h 00m

San Antonio

Mon 10/20

5:45 pm-10:35 pm

1 stop4h 50m

$107

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Fri 10/10

7:33 am-8:38 am

Nonstop1h 05m

San Antonio

Mon 10/13

7:38 pm-8:44 pm

Nonstop1h 06m

$134

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Tue 10/21

6:00 am-3:14 pm

1 stop9h 14m

San Antonio

Thu 10/23

12:09 pm-11:36 pm

1 stop11h 27m

$153

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Fri 10/31

6:00 am-7:30 pm

1 stop13h 30m

San Antonio

Fri 11/7

8:25 pm-10:37 am

1 stop14h 12m

$163

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 11/6

9:19 am-5:00 pm

1 stop7h 41m

San Antonio

Mon 11/10

12:55 pm-7:24 pm

1 stop6h 29m

$183

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Mon 12/8

8:10 pm-2:07 pm

1 stop17h 57m

San Antonio

Fri 12/12

3:02 pm-6:20 am

1 stop15h 18m

$211

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Fri 11/7

8:10 pm-2:07 pm

1 stop17h 57m

San Antonio

Sun 11/9

3:02 pm-6:20 am

1 stop15h 18m

$221

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Thu 11/6

8:20 pm-11:50 pm

1 stop3h 30m

San Antonio

Mon 11/10

9:14 am-3:54 pm

1 stop6h 40m

$246

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 $310. 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 $288. 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 $395. 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 George Bush Intcntl 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

0h 55m

Direct flights

Every day

Airports in San Antonio

1 airport
The fastest flight from Houston to San Antonio takes 0h 55m
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. 0h 55m 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
United AirlinesPriceFrom $97Free CancellationRating
7.4
8,924 reviews
Search United Airlines flights
SouthwestPriceFrom $114Free CancellationRating
8.0
4,242 reviews
Search Southwest 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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