$90 Cheap Flights from Houston (IAH) to San Antonio (SAT)

View $90 flight on Wed, Jan 28, 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 $90 for one-way flights and $167 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Sat, Jan 31 - Thu, Feb 5
IAH
Houston
SAT
San Antonio
$167 Roundtrip, found 4 hours ago
$167
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Sat, Jan 31 from Houston to San Antonio, returning Thu, Feb 5, priced at $167 found 4 hours ago
Spirit Airlines
Mon, Jan 12 - Thu, Jan 15
IAH
Houston
SAT
San Antonio
$178 Roundtrip, found 1 day ago
$178
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Mon, Jan 12 from Houston to San Antonio, returning Thu, Jan 15, priced at $178 found 1 day ago
Spirit Airlines
Tue, Mar 3 - Wed, Mar 4
IAH
Houston
SAT
San Antonio
$179 Roundtrip, found 3 hours ago
$179
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Tue, Mar 3 from Houston to San Antonio, returning Wed, Mar 4, priced at $179 found 3 hours ago
Spirit Airlines
Thu, Jan 29 - Thu, Feb 5
IAH
Houston
SAT
San Antonio
$182 Roundtrip, found 4 hours ago
$182
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Thu, Jan 29 from Houston to San Antonio, returning Thu, Feb 5, priced at $182 found 4 hours ago
Spirit Airlines
Thu, Feb 5 - Sat, Feb 21
IAH
Houston
SAT
San Antonio
$190 Roundtrip, found 1 day ago
$190
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Thu, Feb 5 from Houston to San Antonio, returning Sat, Feb 21, priced at $190 found 1 day ago
Spirit Airlines
Sat, Jan 31 - Fri, Feb 6
IAH
Houston
SAT
San Antonio
$191 Roundtrip, found 4 hours ago
$191
Roundtrip
found 4 hours ago
Select Spirit Airlines flight, departing Sat, Jan 31 from Houston to San Antonio, returning Fri, Feb 6, priced at $191 found 4 hours ago
Spirit Airlines
Sat, Jan 17 - Mon, Jan 19
IAH
Houston
SAT
San Antonio
$192 Roundtrip, found 1 day ago
$192
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Sat, Jan 17 from Houston to San Antonio, returning Mon, Jan 19, priced at $192 found 1 day ago
United
Tue, Jan 27 - Wed, Jan 28
IAH
Houston
SAT
San Antonio
$231 Roundtrip, found 5 days ago
$231
Roundtrip
found 5 days ago
Select United flight, departing Tue, Jan 27 from Houston to San Antonio, returning Wed, Jan 28, priced at $231 found 5 days ago
American Airlines
Wed, Jan 21 - Wed, Jan 28
IAH
Houston
SAT
San Antonio
$263 Roundtrip, found 2 days ago
$263
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Jan 21 from Houston to San Antonio, returning Wed, Jan 28, priced at $263 found 2 days ago
Delta
Wed, Feb 11 - Sat, Feb 14
IAH
Houston
SAT
San Antonio
$443 Roundtrip, just found
$443
Roundtrip
just found
Select Delta flight, departing Wed, Feb 11 from Houston to San Antonio, returning Sat, Feb 14, priced at $443 just found

Find the cheapest month to fly from Houston (IAH) to San Antonio (SAT)

August is typically the cheapest month to fly

From $77 - $421 per traveler.

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 $206
SAT
San Antonio Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $206

Frequently asked questions

How much does a flight from George Bush Intercontinental Airport (IAH) to San Antonio Intl. Airport (SAT) cost?
Grab a cheap one-way flight from $90 or cheap return flight from $167 from George Bush Intercontinental Airport (IAH) to San Antonio Intl. Airport (SAT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from George Bush Intercontinental Airport (IAH) to San Antonio Intl. Airport (SAT)?
The cheapest month to fly from IAH to SAT is January, when there's less demand. Off-peak season is usually when airlines offer lower prices between these airports.
Which airlines fly direct from George Bush Intercontinental Airport (IAH) to San Antonio Intl. Airport (SAT)?
When departing from George Bush Intercontinental Airport (IAH), you can take a nonstop flight to San Antonio Intl. Airport (SAT) with United Airlines.
What is the cheapest airline that flies from George Bush Intercontinental Airport (IAH) to San Antonio Intl. Airport (SAT)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from IAH to SAT. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from George Bush Intercontinental Airport (IAH) to San Antonio Intl. Airport (SAT)?
With an average of 7 nonstop flights that operate from George Bush Intercontinental Airport (IAH) to San Antonio Intl. Airport (SAT) each day, you'll be soaring through the skies in no time.
What are the most popular departure times for flights from George Bush Intercontinental Airport (IAH) to San Antonio Intl. Airport (SAT)?
Flights between IAH and SAT are busiest at 7 AM. If you want a more relaxed trip and possibly cheaper tickets, choose a departure that's outside typical rush times.
What day of the week has the most flights from IAH to SAT?
Fly on a Saturday if you're after the biggest selection of flights from George Bush Intercontinental Airport (IAH) to San Antonio Intl. Airport (SAT).
What is the earliest flight from George Bush Intercontinental Airport (IAH) to San Antonio Intl. Airport (SAT)?
The first flight of the day out of George Bush Intercontinental Airport (IAH) is at around 7:35AM UTC-6. Board this plane and you'll touch down at San Antonio Intl. Airport (SAT) at approximately 8:47AM UTC-6. The total travel time is 1h 12m.
How long does it take to fly from George Bush Intercontinental Airport (IAH) to San Antonio Intl. Airport (SAT)?
It takes around 1 hour and 11 minutes to fly the 190 mi from IAH to SAT.
What airline has the least delays from IAH to SAT?
Consider booking with United Airlines if you'd like to go straight from George Bush Intercontinental Airport (IAH) to San Antonio Intl. Airport (SAT) without any delays. This carrier has the strongest track record for punctuality, with an on-time score of 80%. Want real-time updates? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from George Bush Intercontinental Airport (IAH) to San Antonio Intl. Airport (SAT)?
To arrive at San Antonio Intl. Airport (SAT) without delays, opt for a flight that takes off from George Bush Intercontinental Airport (IAH) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Antonio from George Bush Intercontinental Airport (IAH)?
San Antonio Intl. Airport (SAT) is the only airport in San Antonio with direct flights from George Bush Intercontinental Airport (IAH). Consider your options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from George Bush Intercontinental Airport (IAH) to San Antonio Intl. Airport (SAT) last-minute?
Booking your flight from IAH to SAT shortly before your getaway is usually more expensive. But if there's some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book an IAH to SAT flight and hotel package?
Opting for an IAH to SAT flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our impressive range of stays and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from George Bush Intercontinental Airport (IAH) to San Antonio Intl. Airport (SAT)?
In most instances, you can cancel or reschedule your IAH to SAT flight. However, additional charges may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like more information, visit our Customer Service portal.

Travel information

Origin airport
George Bush Intercontinental
Destination airport
San Antonio Intl.
Airlines serving
American Airlines, Delta, Spirit Airlines, United
Roundtrip price
$167
Distance
190 mi
Average flight time
1 hour 11 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 January. 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 $90 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

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