How long is the flight from Houston to San Antonio?

For as low as $261, Frontier can have you in San Antonio from Houston in 1h 05m. There are 192 mi between Houston and San Antonio. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Houston to San Antonio round-trip?

Flying on United Airlines is currently your cheapest option to San Antonio, with prices starting at $97. Another option worth looking into is Southwest, starting at $97 round trip. United Airlines is 67% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest month to book a flight from Houston to San Antonio?

Currently, June is the cheapest month in which you can book a flight from Houston to San Antonio (average of $77). Flying from Houston to San Antonio in December is currently the most expensive (average of $222). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest day to fly from Houston to San Antonio?

Travelers seeking maximum savings on their Houston to San Antonio flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in San Antonio ranges from 1.6 - 3.7 inches per month. May is typically the wettest month, when rainfall can reach 3.7 in. December is typically the driest time to visit San Antonio when rainfall is around 1.6 in.

If weather is an important factor for your trip to San Antonio, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest time of day to fly from HOU to SAT?

When flying from Houston to San Antonio, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 32% versus a flight at noon.

What airport do you fly into for flights to San Antonio from Houston?

Located just 7.6 mi from the city center, San Antonio is the airport most travelers will use when flying to San Antonio from Houston. Booking flights from Houston to San Antonio (SAT) should be relatively easy as there are 2 daily inbound flights from Houston from 2 different airlines.

Can I find deals for flights from Houston to San Antonio that include hotel bookings?

Yes. In addition to deals on Houston to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Houston to San Antonio?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to San Antonio.

Can I find deals for business class flights from Houston to San Antonio?

Yes. Cheapflights offers flight deals from Houston to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$67+ Flights from Houston to San Antonio

Round-trip from	$146 (Kiwi.com)
One-way from	$67 (Kiwi.com)
Popular in	January
Cheapest in	August
Average price	$595

IAH

Check the IAH Depart tab for current security wait times to plan your arrival at the airport efficiently.

HOU

HOU's compact terminal allows travelers to arrive closer to departure time, minimizing wait times and making navigation easier.

SAT

Use rideshare services from SAT's lower level of Terminal A for a quick trip downtown.

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$97	Average$262	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$97	Average$269	FlexibilityNo cancel fee	On-time63%

$67+ Cheap flights from Houston to San Antonio (SAT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/18. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Houston to San AntonioExplore the most affordable flight options available from Houston to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 6, 2026.

Explore the most affordable flight options available from Houston to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 6, 2026.

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Best time to book a flight from Houston to San Antonio

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Everything you need to know about your flight from Houston to San Antonio

What is the cheapest month to book a flight from Houston to San Antonio?

What is the cheapest time of day to fly from HOU to SAT?

Find hourly flight availability from Houston to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 6, 2026.

What is the cheapest day to fly from Houston to San Antonio?

Use this chart to determine the cheapest time to fly round-trip from Houston to San Antonio. Price data was last updated on January 3, 2026.

The best insider tips for Houston to San Antonio flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your Houston to San Antonio trip

Airports

IAH

HOU

SAT

Our travel experts

Reviews of airlines servicing San Antonio

Get a feel of what it's like to fly with Southwest and United Airlines from Houston to San Antonio by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Houston to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to San Antonio from Houston?

How long is the flight from Houston to San Antonio?

What are the cheapest airlines flying from Houston to San Antonio round-trip?

Can I find deals for flights from Houston to San Antonio that include hotel bookings?

How can I find direct flights from Houston to San Antonio?

Can I find deals for business class flights from Houston to San Antonio?

What is the cheapest month to book a flight from Houston to San Antonio?

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Top 2 airlines flying from Houston to San Antonio

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Cheapest flights from Houston to San Antonio
Explore the most affordable flight options available from Houston to San Antonio. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 6, 2026.