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Cheap flights from Houston to San Antonio from $54

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 1/2. 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

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Spirit Airlines Logo
8:37 pm - 1:00 pmIAH-SAT
16h 23m1 stop
Spirit Airlines Logo
7:00 am - 7:32 pmSAT-IAH
12h 32m1 stop
$118Spirit Airlines
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Sat, Dec 6 - Sat, Dec 13
Frontier Logo
10:28 pm - 8:30 pmIAH-SAT
22h 02m1 stop
Frontier Logo
12:03 pm - 9:47 pmSAT-IAH
9h 44m1 stop
$127Frontier
Find Deal
Thu, Dec 4 - Mon, Dec 8
Multiple Airlines Logo
7:24 pm - 1:00 pmIAH-SAT
17h 36m1 stop
Multiple Airlines Logo
7:43 pm - 8:53 pmSAT-IAH
25h 10m2 stops
$166Multiple Airlines
Find Deal
Thu, Dec 4 - Mon, Dec 8
Multiple Airlines Logo
7:59 am - 8:15 amIAH-SAT
24h 16m2 stops
Multiple Airlines Logo
7:00 am - 7:12 pmSAT-IAH
12h 12m1 stop
$172Multiple Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
American Airlines Logo
10:37 am - 7:01 pmIAH-SAT
8h 24m1 stop
American Airlines Logo
11:26 am - 8:26 pmSAT-IAH
9h 00m1 stop
$183American Airlines
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Thu, Dec 25 - Wed, Dec 31
United Airlines Logo
9:55 pm - 10:59 pmIAH-SAT
1h 04mnonstop
United Airlines Logo
2:22 pm - 3:25 pmSAT-IAH
1h 03mnonstop
$237United Airlines
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Wed, Dec 3 - Wed, Dec 10
American Airlines Logo
5:00 am - 9:45 amIAH-SAT
4h 45m1 stop
American Airlines Logo
12:56 pm - 8:26 pmSAT-IAH
7h 30m1 stop
$246American Airlines
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Mon, Dec 22 - Thu, Dec 25
United Airlines Logo
2:42 pm - 3:53 pmIAH-SAT
1h 11mnonstop
United Airlines Logo
5:59 pm - 7:05 pmSAT-IAH
1h 06mnonstop
$248United Airlines
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Thu, Dec 25 - Wed, Dec 31
Southwest Logo
4:40 pm - 5:40 pmHOU-SAT
1h 00mnonstop
Southwest Logo
1:45 pm - 2:45 pmSAT-HOU
1h 00mnonstop
$248Southwest
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Thu, Jan 29 - Tue, Feb 3
Southwest Logo
4:40 pm - 5:40 pmHOU-SAT
1h 00mnonstop
Southwest Logo
5:15 pm - 9:40 pmSAT-HOU
4h 25m1 stop
$258Southwest
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Thu, Jan 29 - Tue, Feb 3

Frontier flights from Houston to San Antonio

Our best Frontier deals on Houston to San Antonio flight tickets
Frontier
Dec 4
IAH10:28 pmHouston George Bush Intcntl
22h 02m
1 stop
SAT8:30 pmSan Antonio
Dec 8
SAT12:03 pmSan Antonio
9h 44m
1 stop
IAH9:47 pmHouston George Bush Intcntl
$127
Find similar
Frontier
Dec 4
IAH10:28 pmHouston George Bush Intcntl
22h 02m
1 stop
SAT8:30 pmSan Antonio
Dec 8
SAT7:43 pmSan Antonio
25h 10m
2 stops
IAH8:53 pmHouston George Bush Intcntl
$158
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Frontier
Dec 3
IAH7:59 amHouston George Bush Intcntl
24h 16m
2 stops
SAT8:15 amSan Antonio
Dec 14
SAT5:46 pmSan Antonio
29h 04m
1 stop
IAH10:50 pmHouston George Bush Intcntl
$192
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Spirit Airlines flights from Houston to San Antonio

Our best Spirit Airlines deals on Houston to San Antonio flight tickets
Spirit Airlines
Dec 6
IAH8:37 pmHouston George Bush Intcntl
16h 23m
1 stop
SAT1:00 pmSan Antonio
Dec 13
SAT7:00 amSan Antonio
12h 32m
1 stop
IAH7:32 pmHouston George Bush Intcntl
$118
Find similar
Spirit Airlines
Dec 4
IAH8:37 pmHouston George Bush Intcntl
16h 23m
1 stop
SAT1:00 pmSan Antonio
Dec 11
SAT5:40 amSan Antonio
10h 12m
1 stop
IAH3:52 pmHouston George Bush Intcntl
$132
Find similar
Spirit Airlines
Dec 4
IAH8:37 pmHouston George Bush Intcntl
16h 23m
1 stop
SAT1:00 pmSan Antonio
Dec 8
SAT5:40 amSan Antonio
13h 52m
1 stop
IAH7:32 pmHouston George Bush Intcntl
$133
Find similar

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 November 6, 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

Sat 12/6

8:37 pm-1:00 pm

1 stop16h 23m

San Antonio

Sat 12/13

7:00 am-7:32 pm

1 stop12h 32m

$118

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 12/4

10:28 pm-8:30 pm

1 stop22h 02m

San Antonio

Mon 12/8

12:03 pm-9:47 pm

1 stop9h 44m

$127

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 12/4

7:24 pm-1:00 pm

1 stop17h 36m

San Antonio

Mon 12/8

7:43 pm-8:53 pm

2 stops25h 10m

$166

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 12/3

7:59 am-8:15 am

2 stops24h 16m

San Antonio

Wed 12/10

7:00 am-7:12 pm

1 stop12h 12m

$172

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 12/25

10:37 am-7:01 pm

1 stop8h 24m

San Antonio

Wed 12/31

11:26 am-8:26 pm

1 stop9h 00m

$183

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 12/3

9:55 pm-10:59 pm

Nonstop1h 04m

San Antonio

Wed 12/10

2:22 pm-3:25 pm

Nonstop1h 03m

$237

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Mon 12/22

5:00 am-9:45 am

1 stop4h 45m

San Antonio

Thu 12/25

12:56 pm-8:26 pm

1 stop7h 30m

$246

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 12/25

2:42 pm-3:53 pm

Nonstop1h 11m

San Antonio

Wed 12/31

5:59 pm-7:05 pm

Nonstop1h 06m

$248

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Thu 1/29

4:40 pm-5:40 pm

Nonstop1h 00m

San Antonio

Tue 2/3

1:45 pm-2:45 pm

Nonstop1h 00m

$248

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Thu 1/29

4:40 pm-5:40 pm

Nonstop1h 00m

San Antonio

Tue 2/3

5:15 pm-9:40 pm

1 stop4h 25m

$258

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 $411.

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 $399. 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
4,241 reviews
Search Southwest flights
United AirlinesPriceFrom $114Free CancellationRating
7.4
9,007 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
Boerne
Kerrville
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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