Can I fly direct from Houston to San Antonio?

Yes, direct flights are commonly available for the Houston to San Antonio route. Historically, approximately 76% of the flights observed were direct. For those instances where a direct flight is not available, connecting flights typically involve a median of 3 stopovers. This indicates that while direct options are prevalent, connecting itineraries are also a notable part of the route's offerings.

How long is the flight from Houston to San Antonio?

The direct flight from Houston to San Antonio typically takes about 1 hour and 3 minutes, covering a distance of 306 kilometers. Flights with one stop, however, are significantly longer, with a median duration of 14 hours and 54 minutes. This substantial difference highlights the efficiency of direct travel on this route compared to itineraries involving a connection.

Are there frequently good prices on flights from Houston to San Antonio?

Historically, good prices on flights from Houston to San Antonio are observed on a regular basis. This route consistently offers competitive fares, making it a reliable option for travelers seeking value. The pricing trends across the trailing quarter indicate that favorable deals are not uncommon, suggesting a steady availability of good prices for this particular journey.

Flights From Houston

To San Antonio

Cheap Flights from Houston to San Antonio

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Deals from

Houston

RatePunk searches hundreds of travel sites at once for deals on flights to San Antonio

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Houston to San Antonio

Explore current cheapest deals departing from Houston to San Antonio

2026-08-17 – 2026-08-24
HOU - San Antonio
42% AI deal score
$138
$179
Round trip
2026-08-17 – 2026-08-31
HOU - San Antonio
41% AI deal score
$120
$179
Round trip
2026-08-18 – 2026-08-25
HOU - San Antonio
42% AI deal score
$138
$179
Round trip
2026-08-10 – 2026-08-17
HOU - San Antonio
42% AI deal score
$138
$179
Round trip
2026-08-10 – 2026-08-24
HOU - San Antonio
41% AI deal score
$120
$179
Round trip
2026-08-12 – 2026-08-19
HOU - San Antonio
42% AI deal score
$140
$179
Round trip
2026-08-15 – 2026-08-29
HOU - San Antonio
41% AI deal score
$120
$179
Round trip
2026-08-12 – 2026-08-26
HOU - San Antonio
42% AI deal score
$182
$179
Round trip
2026-08-13 – 2026-08-17
HOU - San Antonio
47% AI deal score
$219
$179
Round trip
2026-09-02 – 2026-09-09
HOU - San Antonio
47% AI deal score
$215
$179
Round trip

Houston to San Antonio: Overview

Insights for flights from Houston to San Antonio

The distance between Houston and San Antonio is 306 km, making this a short-haul flight. For cheap flights from Houston to San Antonio, fares typically range from $155 to $321, with a median of $168. Right now, current fares are significantly below the typical level.

When is the cheapest time to fly from Houston to San Antonio? You'll find the most affordable median fares in June, at $146. July and October also offer competitive prices, with median fares of $165 for both months.

A typical journey from Houston to San Antonio takes 1h 7m. This route is characterized by a high proportion of non-stop options, as 76% of itineraries are direct flights. For the remaining itineraries that do connect, the median number of stopovers is 3.

How much is a round trip from Houston to San Antonio

Regular price: $93 - $364

Prices for flights from Houston to San Antonio are currently within the regular range.

The regular price range for flights from Houston to San Antonio is $93 to $364. The current lowest deal is $178 with United Airlines, for travel from Aug 17-Aug 31.

now $178

Low $93

High $364

The cheapest time to fly from Houston to San Antonio

The cheapest month to fly from Houston to San Antonio is June, with a median price of $146. The most expensive month is September, with a median price of $402. Generally, prices are lower from January to December.

June

Cheapest

Flights from $146

September

Most Expensive

Flights from $402

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Dec

Direct flights from Houston to San Antonio

Southwest Airlines

Last-minute flights going from Houston to San Antonio

Sun, Aug 2

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

American Airlines

$275

$394

One-way

Fri, Aug 7

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

United Airlines

$121

$389

One-way

Fri, Aug 7

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

United Airlines

$133

$389

One-way

Sat, Aug 8

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

United Airlines

$151

$212

One-way

Sat, Aug 8

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

United Airlines

$127

$212

One-way

Sat, Aug 8

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

United Airlines

$120

$389

One-way

Biggest price drops on these dates for flights from Houston to San Antonio

1 night

Sep 23 - Sep 24

$297 → $198

33%

3 nights

Aug 17 - Aug 20

$221 → $178

19%

1 night

Aug 11 - Aug 12

$229 → $188

18%

4 nights

Aug 20 - Aug 24

$217 → $178

18%

Popular Airports to fly from Houston to San Antonio

Houston - San Antonio route insights

💸 Price insights

Recent fares are below the typical level

Recent fares from Houston to San Antonio are below the typical level at $178.

📅 Best time to fly

June is historically the cheapest month to fly

Historically, June is the cheapest month to fly, with a median price of $146.

⏱️ Flight duration

Direct flights take 1h 7m

The median flight time for this short-haul route is 1 hour 7 minutes.

✈️ Airlines & availability

76% of recent flights are direct

Historically, 76% of recent flights on this route are direct, with 3 median stopovers when connecting.

🏆 Airline highlight

Southwest Airlines offers direct flights

Southwest Airlines is one of the carriers that offers direct flights on this route.

🎯 Booking tip

Deals appear regularly

Deals on flights from Houston to San Antonio appear regularly, typically every 30 days.

Houston main airports to depart from

George Bush Intercontinental (IAH)

Cheapest

George Bush Intercontinental Airport offers flights to San Antonio, providing a departure option for your trip.

📍 ~30 km from Houston city center (reachable by car or bus)

💸 Flights from ~$253

William P. Hobby (HOU)

William P. Hobby Airport offers flights to San Antonio, providing a departure option for your trip.

📍 ~20 km from Houston city center (reachable by car or bus)

💸 Flights from ~$253

San Antonio main airports to arrive at

San Antonio International (SAT)

Cheapest

San Antonio International Airport is a convenient arrival choice for flights from Houston to San Antonio.

📍 ~15 km from San Antonio (reachable by car)

💸 Flights from ~$253

Airports nearby San Antonio used as alternative

Austin–Bergstrom International (AUS)

Cheapest

Austin–Bergstrom International is a major international hub with an extensive flight network, offering many flight options.

📍 ~120 km from San Antonio (reachable by car, though heavy traffic on I-35 can increase travel time)

💸 Flights from ~$114

Business & First Class Flight Deals to San Antonio

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Flights to San Antonio from other cities

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Houston to San Antonio: Overview

Insights for flights from Houston to San Antonio

How much is a round trip from Houston to San Antonio

Regular price: $93 - $364

Prices for flights from Houston to San Antonio are currently within the regular range.

The regular price range for flights from Houston to San Antonio is $93 to $364. The current lowest deal is $178 with United Airlines, for travel from Aug 17-Aug 31.

now $178

Low $93

High $364

The cheapest time to fly from Houston to San Antonio

June

Cheapest

Flights from $146

September

Most Expensive

Flights from $402

Jan

Feb

Apr

May

Jun

Jul

Aug

Sep

Oct

Dec

Direct flights from Houston to San Antonio

Southwest Airlines

Last-minute flights going from Houston to San Antonio

Sun, Aug 2

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

American Airlines

$275

$394

One-way

Fri, Aug 7

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

United Airlines

$121

$389

One-way

Fri, Aug 7

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

United Airlines

$133

$389

One-way

Sat, Aug 8

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

United Airlines

$151

$212

One-way

Sat, Aug 8

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

United Airlines

$127

$212

One-way

Sat, Aug 8

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

United Airlines

$120

$389

One-way

Biggest price drops on these dates for flights from Houston to San Antonio

1 night

Sep 23 - Sep 24

$297 → $198

33%

3 nights

Aug 17 - Aug 20

$221 → $178

19%

1 night

Aug 11 - Aug 12

$229 → $188

18%

4 nights

Aug 20 - Aug 24

$217 → $178

18%

Popular Airports to fly from Houston to San Antonio