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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 1/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:35 pm - 3:46 pm
IAH
-
SAT
1h 11mnonstop
United Airlines Logo
5:59 pm - 7:06 pm
SAT
-
IAH
1h 07mnonstop
$127United Airlines
Sat, Jan 10 - Sun, Jan 11
Multiple Airlines Logo
4:08 pm - 7:33 pm
IAH
-
SAT
27h 25m1 stop
Multiple Airlines Logo
6:30 am - 5:10 pm
SAT
-
IAH
10h 40m1 stop
$161Multiple Airlines
Wed, Jan 21 - Fri, Jan 30
Frontier Logo
8:15 am - 3:00 pm
IAH
-
SAT
6h 45m1 stop
Frontier Logo
5:03 pm - 7:37 pm
SAT
-
IAH
26h 34m1 stop
$171Frontier
Wed, Jan 7 - Thu, Jan 8
Multiple Airlines Logo
4:08 pm - 1:11 pm
IAH
-
SAT
21h 03m2 stops
Multiple Airlines Logo
6:30 am - 5:10 pm
SAT
-
IAH
10h 40m1 stop
$175Multiple Airlines
Wed, Jan 21 - Fri, Jan 30
Spirit Airlines Logo
12:16 pm - 11:52 pm
IAH
-
SAT
11h 36m1 stop
Spirit Airlines Logo
10:35 am - 8:23 pm
SAT
-
IAH
9h 48m1 stop
$182Spirit Airlines
Thu, Jan 8 - Mon, Jan 12
Southwest Logo
8:30 pm - 9:35 pm
HOU
-
SAT
1h 05mnonstop
Southwest Logo
1:45 pm - 2:45 pm
SAT
-
HOU
1h 00mnonstop
$186Southwest
Wed, Jan 7 - Thu, Jan 8
Multiple Airlines Logo
6:30 am - 11:52 pm
IAH
-
SAT
17h 22m2 stops
Multiple Airlines Logo
10:13 am - 12:31 am
SAT
-
IAH
14h 18m1 stop
$186Multiple Airlines
Sat, Jan 10 - Sun, Jan 11
Southwest Logo
7:30 am - 11:50 am
HOU
-
SAT
4h 20m1 stop
Southwest Logo
4:40 pm - 5:45 pm
SAT
-
HOU
1h 05mnonstop
$196Southwest
Wed, Jan 7 - Thu, Jan 8
American Airlines Logo
6:36 pm - 10:58 pm
HOU
-
SAT
4h 22m1 stop
American Airlines Logo
5:00 am - 8:34 am
SAT
-
HOU
3h 34m1 stop
$205American Airlines
Wed, Jan 7 - Thu, Jan 8
American Airlines Logo
6:00 am - 12:18 pm
HOU
-
SAT
6h 18m1 stop
American Airlines Logo
9:30 am - 4:12 pm
SAT
-
HOU
6h 42m1 stop
$240American Airlines
Sun, Jan 25 - Tue, Jan 27

United Airlines flights from Houston to San Antonio

Our best United Airlines deals on Houston to San Antonio flight tickets
United Airlines
Jan 10
IAH2:35 pmHouston George Bush Intcntl
1h 11m
SAT3:46 pmSan Antonio
Jan 11
SAT5:59 pmSan Antonio
1h 07m
IAH7:06 pmHouston George Bush Intcntl
$127
Find similar
United Airlines
Feb 11
IAH12:05 pmHouston George Bush Intcntl
1h 14m
SAT1:19 pmSan Antonio
Feb 13
SAT11:43 amSan Antonio
1h 07m
IAH12:50 pmHouston George Bush Intcntl
$187
Find similar
United Airlines
Jan 10
IAH2:35 pmHouston George Bush Intcntl
1h 11m
SAT3:46 pmSan Antonio
Jan 11
SAT9:50 amSan Antonio
1h 07m
IAH10:57 amHouston George Bush Intcntl
$188
Find similar

Frontier flights from Houston to San Antonio

Our best Frontier deals on Houston to San Antonio flight tickets
Frontier
Jan 7
IAH8:15 amHouston George Bush Intcntl
6h 45m
1 stop
SAT3:00 pmSan Antonio
Jan 8
SAT5:03 pmSan Antonio
26h 34m
1 stop
IAH7:37 pmHouston George Bush Intcntl
$171
Find similar
Frontier
Jan 7
IAH8:15 amHouston George Bush Intcntl
6h 45m
1 stop
SAT3:00 pmSan Antonio
Jan 8
SAT10:13 amSan Antonio
12h 18m
2 stops
IAH10:31 pmHouston George Bush Intcntl
$217
Find similar
Frontier
Dec 22
IAH9:34 pmHouston George Bush Intcntl
50h 43m
2 stops
SAT12:17 amSan Antonio
Jan 8
SAT5:03 pmSan Antonio
26h 34m
1 stop
IAH7:37 pmHouston George Bush Intcntl
$232
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 December 4, 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 1/10

2:35 pm-3:46 pm

Nonstop1h 11m

San Antonio

Sun 1/11

5:59 pm-7:06 pm

Nonstop1h 07m

$127

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 1/21

4:08 pm-7:33 pm

1 stop27h 25m

San Antonio

Fri 1/30

6:30 am-5:10 pm

1 stop10h 40m

$161

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 1/7

8:15 am-3:00 pm

1 stop6h 45m

San Antonio

Thu 1/8

5:03 pm-7:37 pm

1 stop26h 34m

$171

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Wed 1/21

4:08 pm-1:11 pm

2 stops21h 03m

San Antonio

Fri 1/30

6:30 am-5:10 pm

1 stop10h 40m

$175

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Thu 1/8

12:16 pm-11:52 pm

1 stop11h 36m

San Antonio

Mon 1/12

10:35 am-8:23 pm

1 stop9h 48m

$182

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Wed 1/7

8:30 pm-9:35 pm

Nonstop1h 05m

San Antonio

Thu 1/8

1:45 pm-2:45 pm

Nonstop1h 00m

$186

HoustonSan Antonio

IAH - SAT

IAHSAT

Houston George Bush Intcntl

Sat 1/10

6:30 am-11:52 pm

2 stops17h 22m

San Antonio

Sun 1/11

10:13 am-12:31 am

1 stop14h 18m

$186

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Wed 1/7

7:30 am-11:50 am

1 stop4h 20m

San Antonio

Thu 1/8

4:40 pm-5:45 pm

Nonstop1h 05m

$196

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Wed 1/7

6:36 pm-10:58 pm

1 stop4h 22m

San Antonio

Thu 1/8

5:00 am-8:34 am

1 stop3h 34m

$205

HoustonSan Antonio

HOU - SAT

HOUSAT

Houston Hobby

Sun 1/25

6:00 am-12:18 pm

1 stop6h 18m

San Antonio

Tue 1/27

9:30 am-4:12 pm

1 stop6h 42m

$240

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 October instead. Flights to San Antonio in October, while not as cheap as those in August, still average around $181.

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 Wednesday when prices can be found for as low as $271. 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 Friday as prices are generally higher than usual. According to our data, the average ticket price to San Antonio on Friday is $375.

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 $269. 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

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
United AirlinesPriceFrom $97Free CancellationRating
7.4
9,063 reviews
Search United Airlines flights
SouthwestPriceFrom $97Free CancellationRating
8.0
4,253 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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