To San Antonio

Cheap Flights from Houston to San Antonio

Browse current best options from Houston. Become a member to unlock all deals and get alerts when new deals appear.

Deals from

Houston

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

Prices updated 24 days ago

486,190 searches this week

171 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)

Today’s best flight deals from Houston to San Antonio

Explore current cheapest deals departing from Houston to San Antonio

Round trip

Sort by: Cheapest

July 7 - July 8

Cheapest

Best

Earliest

HOU - San Antonio

$230

$253

Round trip

July 14 - July 15

Cheapest

HOU - San Antonio

$223

$253

Round trip

September 16 - October 14

Cheapest

IAH - San Antonio

$256

$253

Round trip

September 16 - October 13

Cheapest

IAH - San Antonio

$256

$253

Round trip

July 22 - July 29

HOU - San Antonio

$210

$258

Round trip

August 19 - August 30

HOU - San Antonio

$190

$264

Round trip

August 6 - August 10

HOU - San Antonio

$211

$270

Round trip

July 7 - July 14

Earliest

IAH - San Antonio

$244

$282

Round trip

December 15 - December 22

Best

IAH - San Antonio

$196

$282

Round trip

November 19 - November 24

HOU - San Antonio

$249

$283

Round trip

Unlock all 500+ flight deals to San Antonio and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Houston to San Antonio

The route from Houston to San Antonio covers a distance of 306 kilometers, classifying it as a short-haul journey. This makes it a convenient option for travelers looking for quick regional travel.

For cheap flights from Houston to San Antonio, fares typically range from $155–$200, with a median of $165. Right now, current fares are near the typical level. Only 2% of recent fares were classified as a good price, indicating that finding exceptionally low prices can be challenging. New deals show up several times a week, so setting up a price alert could be beneficial.

When is the cheapest time to fly from Houston to San Antonio? The data indicates that June is the cheapest month, with a median fare of $146. July and October also offer competitive prices, both with a median of $165.

How long is the flight from Houston to San Antonio? A typical journey, including any connections, takes approximately 1h 7m. This route is predominantly served by direct flights, with 84.8% of recent itineraries being non-stop. For the remaining itineraries that do connect, the median number of stopovers is 2.

How much is a round trip from Houston to San Antonio

Regular price: $183 - $314

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

The regular price range for this route is between $183 and $314. The current lowest deal is $253 with Southwest Airlines, for travel from July 7 to July 8.

now $253

Low $183

High $314

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

Wed, Jun 17

⌛ Last-Minute

HOU - San Antonio

Houston (HOU) - San Antonio (SAT)

Southwest Airlines

$352

$656

One-way

Thu, Jun 18

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

Volaris

$379

$645

One-way

Fri, Jun 19

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

Frontier Airlines

$297

$592

One-way

Fri, Jun 19

⌛ Last-Minute

HOU - San Antonio

Houston (HOU) - San Antonio (SAT)

Southwest Airlines

$347

$656

One-way

Sun, Jun 21

⌛ Last-Minute

IAH - San Antonio

Houston (IAH) - San Antonio (SAT)

Volaris

$325

$586

One-way

Sun, Jun 21

⌛ Last-Minute

HOU - San Antonio

Houston (HOU) - San Antonio (SAT)

Southwest Airlines

$345

$654

One-way

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

28 nights

Sep 16 - Oct 14

$256 → $253

27 nights

Sep 16 - Oct 13

$256 → $253

1 night

Jul 7 - Jul 8

$230 → $253

10%

1 night

Jul 14 - Jul 15

$223 → $253

14%

Popular Airports to fly from Houston to San Antonio

Houston - San Antonio route insights

💸 Price insights

Recent fares near the typical level

Recent fares for Houston to San Antonio are near the typical level of $165.

📅 Best time to fly

June is historically cheapest

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

⏱️ Flight duration

1h 7m is the typical direct flight time

The typical direct flight time from Houston to San Antonio is 1 hour 7 minutes.

✈️ Airlines & availability

Southwest Airlines offers direct flights

Southwest Airlines offers direct flights on this route, which is direct dominant.

🏆 Airline highlight

Southwest Airlines has a direct deal for $253

Southwest Airlines has a direct deal for $253 from Houston to San Antonio.

🎯 Booking tip

Deals appear regularly

Deals for this route appear regularly, with 0.43 deals per day historically.

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)

Consider Austin–Bergstrom International for significantly more direct flight options to the San Antonio area.

📍 ~120 km from San Antonio (reachable by car)

💸 Flights from ~$178

Corpus Christi International (CRP)

Corpus Christi International offers additional options for travelers heading toward the Gulf Coast.

📍 ~200 km from San Antonio (reachable by car)

💸 Flights from ~$247

Laredo International (LRD)

Laredo International provides reliable domestic service within the US, a straightforward drive south via I-35.

📍 ~240 km from San Antonio (reachable by car)

💸 Flights from ~$209

Killeen–Fort Hood Regional (GRK)

Killeen–Fort Hood Regional is an alternative for travelers on the north side of San Antonio with a less congested terminal.

📍 ~135 km from San Antonio (reachable by car)

💸 Flights from ~$515

Victoria Regional (VCT)

Cheapest

Victoria Regional is geographically closer than some other regional options, but has extremely limited commercial service.

📍 ~180 km from San Antonio (reachable by car)

💸 Flights from ~$155

Business & First Class Flight Deals to San Antonio

43% AI deal score

$529

From IAH

Elite

Jul 15

San Antonio, United States

43% AI deal score

San Antonio, United States

32% AI deal score

$2,568

Frequently Asked Questions About Flights to San Antonio

Historically, the lowest average prices for flights from Houston to San Antonio are found when booking 14-27 days in advance, with an average price of $175. Booking within 0-6 days of departure typically sees a significantly higher average price of $594. For those planning further ahead, flights booked 60+ days out have an average price of $186, which is still higher than the optimal window. Across the trailing quarter, prices tend to increase as the departure date approaches, especially within two weeks of travel.

A flight from Houston to San Antonio is typically considered a good deal if it is priced at or below $155. The median price for this route across the trailing 90 days has been $165. Historically, 75% of prices for this route have been $200 or less. By comparing prices to these historical benchmarks, travelers can identify favorable deals.

Historically, June has shown the cheapest median flight prices from Houston to San Antonio, with a median of $146. July and October also offer competitive prices, with a median of $165 for both months. The annual median price for this route is $165. While July is listed among the cheapest months, it also represents the most expensive month based on median price across a 270-day window, indicating price variability within that month.

Related routes

Consider alternative routes from Houston

Flights from Houston to Addis Ababa Flights from Houston to Ahmedabad Flights from Houston to Albuquerque Flights from Houston to Amman Flights from Houston to Amsterdam Flights from Houston to Athens Flights from Houston to Atlanta Flights from Houston to Auckland Flights from Houston to Austin Flights from Houston to Baghdad Flights from Houston to Bangkok Flights from Houston to Barcelona

Cheap Flights from Houston to San Antonio

Today’s best flight deals from Houston to San Antonio

Unlock all 500+ flight deals to San Antonio and get alerts when great deals appear

Route Intelligence — 486,190 Searches this Week

Insights for flights from Houston to San Antonio

How much is a round trip from Houston to San Antonio

The cheapest time to fly from Houston to San Antonio

Direct flights from Houston to San Antonio

Last-minute flights going from Houston to San Antonio

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

Popular Airports to fly from Houston to San Antonio

Houston - San Antonio route insights

Recent fares near the typical level

June is historically cheapest

1h 7m is the typical direct flight time

Southwest Airlines offers direct flights

Southwest Airlines has a direct deal for $253

Deals appear regularly

Houston main airports to depart from

San Antonio main airports to arrive at

Airports nearby San Antonio used as alternative

Business & First Class Flight Deals to San Antonio

Best Elite deals to San Antonio

Sep 03

Sep 03

Aug 23

Sep 04

Aug 28

Jul 16

Jul 10

Sep 11

Jul 07

Jul 10

Jul 07

Jul 18

Jul 15

Jul 07

Jul 17

Sep 11

Aug 10

Aug 11

Jul 22

Jul 27

Jul 28

Jul 27

Jul 27

Jul 28

Jul 22

Jul 22

Jul 10

Jul 27

Jul 28

Jul 10

Jul 22

Jul 27

Jul 28

Jul 22

Jul 22

Jul 10

Jul 10

Jul 22

Jul 10

Jul 10

Jul 19

Jul 19

Jul 10

Jul 19

Jul 19

Jul 19

Jul 19

Jul 19

Jul 29

Jul 29

Jul 29

Jul 18

Jul 18

Frequently Asked Questions About Flights to San Antonio

How early should I book Houston to San Antonio flights to get the cheapest price?

How early should I book Houston to San Antonio flights to get the cheapest price?

How do I know if a Houston to San Antonio flight is a good deal?