River Walk in San Antonio, Texas

$127 Cheap Flights from Houston (IAH) to San Antonio (SAT)

View $127 flight on Tue, Sep 1, 2026Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to San Antonio International Airport (SAT)

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Cheap Flights from Houston to San Antonio (IAH-SAT)

Prices were available within the past 7 days and start at $127 for one-way flights and $253 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Jul 7 - Tue, Jul 21
IAH
Houston
SAT
San Antonio
$253 Roundtrip, found 12 hours ago
$253
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Jul 7 from Houston to San Antonio, returning Tue, Jul 21, priced at $253 found 12 hours ago
United
Tue, Jul 14 - Tue, Jul 21
IAH
Houston
SAT
San Antonio
$257 Roundtrip, found 6 days ago
$257
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jul 14 from Houston to San Antonio, returning Tue, Jul 21, priced at $257 found 6 days ago
United
Sat, Sep 12 - Tue, Sep 15
IAH
Houston
SAT
San Antonio
$261 Roundtrip, found 16 hours ago
$261
Roundtrip
found 16 hours ago
Select United flight, departing Sat, Sep 12 from Houston to San Antonio, returning Tue, Sep 15, priced at $261 found 16 hours ago
United
Sun, Aug 9 - Wed, Aug 12
IAH
Houston
SAT
San Antonio
$263 Roundtrip, found 5 days ago
$263
Roundtrip
found 5 days ago
Select United flight, departing Sun, Aug 9 from Houston to San Antonio, returning Wed, Aug 12, priced at $263 found 5 days ago
United
Thu, Oct 1 - Tue, Oct 6
IAH
Houston
SAT
San Antonio
$265 Roundtrip, found 3 days ago
$265
Roundtrip
found 3 days ago
Select United flight, departing Thu, Oct 1 from Houston to San Antonio, returning Tue, Oct 6, priced at $265 found 3 days ago
United
Wed, Aug 5 - Thu, Aug 6
IAH
Houston
SAT
San Antonio
$267 Roundtrip, found 4 days ago
$267
Roundtrip
found 4 days ago
Select United flight, departing Wed, Aug 5 from Houston to San Antonio, returning Thu, Aug 6, priced at $267 found 4 days ago
United
Tue, Jul 14 - Tue, Jul 21
IAH
Houston
SAT
San Antonio
$269 Roundtrip, found 6 days ago
$269
Roundtrip
found 6 days ago
Select United flight, departing Tue, Jul 14 from Houston to San Antonio, returning Tue, Jul 21, priced at $269 found 6 days ago
American Airlines
Fri, Aug 14 - Fri, Aug 21
IAH
Houston
SAT
San Antonio
$319 Roundtrip, found 5 days ago
$319
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Aug 14 from Houston to San Antonio, returning Fri, Aug 21, priced at $319 found 5 days ago
Delta
Tue, Sep 1 - Tue, Sep 8
IAH
Houston
SAT
San Antonio
$421 Roundtrip, found 4 days ago
$421
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Sep 1 from Houston to San Antonio, returning Tue, Sep 8, priced at $421 found 4 days ago
Alaska Airlines
Fri, Aug 14 - Sat, Aug 15
IAH
Houston
SAT
San Antonio
$856 Roundtrip, found 6 days ago
$856
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Aug 14 from Houston to San Antonio, returning Sat, Aug 15, priced at $856 found 6 days ago

Alternative airports near San Antonio

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Antonio Intl. SAT. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $346
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $346

What you need to know for your flight from George Bush Intercontinental to San Antonio Intl.

Houston (IAH) to San Antonio (SAT) at a glance

Travel from Houston (IAH) to San Antonio (SAT) with a selection of airlines on this domestic short-haul route. Discover options for cheap flights from Houston and compare houston to san antonio airfare from both full-service and low-cost carriers. This will help you find the itinerary that aligns with your budget and travel plans as you set out to explore San Antonio's renowned attractions and neighborhoods. Get ready for a quick flight time as you embark on your adventure!

  • Fastest flight duration: around 1h 15m non-stop
  • Route distance: roughly 200 miles (320 km)
  • Flights per week: around 10 departures on average
  • Typical fares (one-way): economy tickets often range from $50–$335, depending on seasonality and how far ahead you book

Flights from George Bush Intercontinental Airport (IAH) to San Antonio International Airport (SAT)

According to recent traveler bookings, here are the top airlines favored by passengers flying from Houston to San Antonio, typically for non-stop and one-stop flights. Common layovers include Dallas-Fort Worth International Airport (DFW), with an average layover time of about 1 hour and 15 minutes. This allows you to compare prices, total travel time, and cabin class to craft the ideal itinerary.

  • United: This comprehensive airline provides non-stop services, with one-way ticket prices generally falling between $50 and $355. It handles around 98% of the departures for this route, with a total travel duration of 1 hour and 15 minutes.
  • American Airlines: Operating as a full-service carrier, American Airlines offers one-stop flights, with one-way fares typically ranging from $145 to $500. It represents nearly 2% of the departures on this route, featuring an in-flight duration of 2 hours and 45 minutes and an overall journey time of about 4 hours and 15 minutes, including layover.

Travelers have the option to upgrade their flight from Houston to San Antonio, with United offering first-class service on this route for a more luxurious experience.

Best time to fly from Houston (IAH) to San Antonio (SAT)

The most popular months for travelers flying from Houston to San Antonio are January, February, and March, when peak temperatures in San Antonio reach up to 63.7°F in March. If you prefer quieter travel, consider May, the least busy time to visit with temperatures around 76.3°F and typically the lowest average one-way fare (around $185). Flight availability peaks in August, with approximately 13 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: May usually offers good deals with average one-way fare around $185, roughly 17% cheaper than the yearly average.
  • More budget-friendly months to fly: September and April typically offer average one-way fares roughly ranging from $187 to $200.
  • Most flight options: August has the highest number of flights from Houston to San Antonio, with approximately 13 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January53.2°F (11.8°C)Moderately High11$238
February56.1°F (13.4°C)Moderately High10$236
March63.7°F (17.6°C)Moderately High9$232
April70.0°F (21.1°C)Average9$200
May76.3°F (24.6°C)Moderately Low7$185
June82.8°F (28.2°C)Average10$213
July85.3°F (29.6°C)Average9$259
August86.5°F (30.3°C)Average13$211
September81.0°F (27.2°C)Average10$187
October72.5°F (22.5°C)Average11$238
November61.7°F (16.5°C)Moderately Low9$254
December55.6°F (13.1°C)Moderately Low9$227

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

How to find the best prices for flights from Houston (IAH) to San Antonio (SAT)

Getting some of the best deals on flights from Houston to San Antonio is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking 2 to 8 weeks in advance, although most travelers tend to book within 2 weeks. Evening departures (6 PM to 12 AM) often feature lower prices, while afternoon flights (12 PM to 6 PM) are more popular. Additionally, flying on Tuesday generally leads to cheaper prices, but Thursday remains the most popular travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at San Antonio International Airport from George Bush Intercontinental Airport

San Antonio welcomes travelers from Houston with a range of transport options based on price, convenience, and proximity. Here's how to reach San Antonio efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in San Antonio, with private rides that can be arranged in advance.
  • Car rental: Renting a car from San Antonio International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at San Antonio International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From San Antonio International Airport, San Antonio Seaport, a seaport, is about 0.4 miles away, while San Antonio Station, a train station, is approximately 7.5 miles from the airport, providing convenient access to both maritime and rail services.

Frequently asked questions

How much does a flight from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.) cost?
You can find cheap one-way flights from $127 and cheap return flights from $253 Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.) with Expedia. One-way flights typically cost between $152 and $1172, and return flights often range between $243 and $1397. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.)?
The cheapest month to fly from IAH to SAT is July when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.)?
You can fly direct from IAH to SAT on United, with around 65 flights per week.
What is the cheapest airline that flies from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.)?
United is one of the cheapest airlines offering nonstop flights from Houston, TX (IAH) to San Antonio, TX (SAT), starting from around $97. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.)?
To find a cheap flight from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.)?
The best airline to fly with from Houston, TX (IAH) to San Antonio, TX (SAT) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. American Airlines offers the most daily flights from IAH to SAT, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.)?
You can find approximately 9 nonstop flights per day from George Bush Intercontinental (IAH) to San Antonio Intl. (SAT). For more options, look at flights that include layovers.
What is the earliest flight from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.)?
The earliest flight from George Bush Intercontinental Airport (IAH) to San Antonio International Airport (SAT) usually departs at around 5:00 AM local time, operated by American Airlines. This seasonal service is available in November and December, giving you an early start to your trip to San Antonio. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.)?
The most popular departure times for flights from George Bush Intercontinental (IAH) to San Antonio International (SAT) are in the early afternoon, from 12pm to 3pm. About 25% of passengers prefer this time window. Many major carriers, including American Airlines, United Airlines and Delta Airlines, offer flights during this window. This timing is popular because it allows travelers to enjoy a leisurely morning before heading to San Antonio.
How long does it take to fly from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.)?
A nonstop flight from IAH to SAT typically takes around 1 hour 20 minutes, covering approximately 190 miles. Connecting flights on this route usually add 4 hours 10 minutes to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.)?
First class is available on flights from IAH to SAT. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines
  • Spirit Airlines

How much is a business class flight from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.)?
A non-stop, one-way business class flight from Houston, TX (IAH) to San Antonio, TX (SAT) is usually between $273 - $423. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.) flight with Expedia?
It's easy to earn miles on a Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Antonio from George Bush Intercontinental (IAH)?
If you're planning to travel to San Antonio from George Bush Intercontinental (IAH), you can fly into San Antonio Intl. (SAT) Some flights may connect through major hubs like Wichita Dwight D. Eisenhower National (ICT), Louis Armstrong New Orleans Intl. (MSY), Dallas-Fort Worth Intl. (DFW) before reaching San Antonio. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.) at the last minute?
Typically, booking a last minute flight from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.) flight and hotel package?
Securing a Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.) San Antonio Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.)?
If you booked your Houston, TX (IAH-George Bush Intercontinental) to San Antonio, TX (SAT-San Antonio Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
San Antonio Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Roundtrip price
$253
Distance
190 mi
Average flight time
1 hour 7 mins

Book with confidence

Houston to San Antonio Flights

The cheapest times to fly from Houston to San Antonio

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Houston to San Antonio are during the month of July. You can find some of the cheapest flights from Houston to San Antonio with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Houston to San Antonio

Sunday is one of the best days to book for cheap flights from Houston to San Antonio: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Houston to San Antonio

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Houston to San Antonio in 2026. You can also book with separate airlines for your outbound and return journeys, from $127 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Houston to San Antonio flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Houston to San Antonio airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Houston to San Antonio Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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