Cheap Flights from San Antonio (SAT) to Houston (HOUA)

Compare San Antonio International to Houston flight deals

Find the cheapest month or even day of the year to fly to Houston

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Flight deals from San Antonio International to Houston

Looking for a cheap last-minute deal or the best return flight from San Antonio International to Houston? Find the lowest prices on one-way and return tickets right here.

The cheapest month to fly from San Antonio International Airport to Houston

We’re always keeping an eye on fares, to help you find the lowest one in seconds. Check out the San Antonio International Airport to Houston flight prices forecast over the next 12 months.
Cheapest month:August
Most expensive month:June

Direct flights from San Antonio International to Houston

Alternative San Antonio International to Houston routes

Looking for the cheapest, fastest or easiest route from San Antonio International to Houston? You could fly into the following airports instead.

San Antonio to Houston: Flight information

The things to know before you go.
Cheapest flight found$117
Cheapest month to flyAugust
Average flight time1 hr, 3 mins
Most popular airlineSouthwest Airlines
Average flights per week289

Finding cheap flights from San Antonio International to Houston: Frequently asked questions

There are 4 airports in Houston: Houston Hobby, Houston George Bush Intercntl., Houston Ellington Field, and Galveston.
The best price we found for a return flight from San Antonio International to Houston is $117. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 3 minutes is the average flight time from San Antonio International to Houston.
Southwest Airlines, United and Air Canada fly direct from San Antonio International to Houston.
As of June 2025, there are 289 flights per week flying from San Antonio International to Houston.
The cheapest month to fly from San Antonio International to Houston is usually June 2025.
If you're flying from San Antonio International Airport, the cheapest airport near Houston is Houston Hobby – which is 15.5 km away from the centre of Houston. We've found flights into this airport from $117.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from San Antonio International Airport to Houston on Thursday, 7 August 2025.
Yes – the average flight time is 1 hour and 3 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Houston but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Houston is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 28°C. August is typically the warmest month in Houston, when it usually averages around 34°C. You can expect the least rain in March. The coldest month is January, with temperatures averaging 6°C. The rainiest month is June.
Currently, Southwest Airlines offers the cheapest flight tickets to Houston.

Travelling from San Antonio International Airport (SAT) to Houston: what you need to know

  • Take a direct flight from San Antonio International Airport to Houston and you'll be in the air for an average of 1 hour 5 minutes.

  • Houston's timezone is UTC-5, which is the same as San Antonio (the location of San Antonio International Airport).

  • San Antonio International Airport (SAT) to George Bush Intercontinental Airport (IAH) is the most traveled route, with 54 flights a week to pick from. If you have things to do before leaving, the last flight from SAT to IAH is with United Airlines at 19:35. Opt for the first departure operated by United Airlines at 05:30 if you want to get on your way earlier.

  • Allow plenty of time to get on your SAT to Houston flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • Delays at check-in and security are likely if you're heading away during high season, so allow some extra breathing room. A good rule for peak periods? Get there up to four hours ahead for international flights and two hours for domestic departures.

  • Start your journey at SAT and fly nonstop to George Bush Intercontinental Airport (IAH). That's where you can expect to touch down when searching for San Antonio International Airport to Houston tickets.

  • United Airlines is a leading airline that operates direct flights from San Antonio International Airport to Houston.

  • Located around 13 kilometres from the centre of San Antonio, SAT can be reached in about 20 minutes by car, depending on traffic. The journey on public transport will take roughly 1 hour 30 minutes.

  • Want a hassle-free start to your trip? Stay near SAT. Whether you're taking an early flight from San Antonio International Airport to Houston or don't want departure day to feel hectic, these hotels are all about convenience:

  • 83.17% of flights leaving San Antonio International Airport arrive at their destination according to schedule. Given its impressive on-time stats, delays are unlikely when setting off from SAT.

  • You'll find SAT at 9800 Airport Boulevard.

How to find the cheapest flights from San Antonio International Airport (SAT) to Houston

  • $59 is currently the lowest price for a one-way San Antonio International Airport to Houston flight. Return flight tickets start from $117. These fares may change based on demand and availability.

  • To pick up cheap flights from SAT to Houston, reserve your journey one month before your departure.

  • The best month for finding cheap San Antonio International Airport to Houston tickets is May. Use the 'Whole month' tool to compare flight prices, then choose the dates that offer the biggest savings.

  • Save time looking for cheap flights from SAT to Houston by creating a Price Alert. We'll send you an email or notification through the app when a new discounted fare appears.

  • Pick your ideal arrival and departure times, number of stops and airlines with our filters. Then, sort the results for your flight from San Antonio International Airport to Houston by 'Fastest,' 'Best' or 'Cheapest.'

Airports in Houston

George Bush Intercontinental Airport (IAH)

William P. Hobby Airport (HOU)

  • After your flight from San Antonio International Airport to Houston has hit the tarmac, you can get to the city centre in around 20 minutes by car. Central Houston is roughly 19 kilometres from William P. Hobby Airport (HOU).

  • If you choose to travel on public transport, the ride to the centre takes 1 hour 40 minutes or so.

  • Place the 'Do not disturb' sign on your door and unwind at a hotel near HOU. Here are a few options where you can put your feet up after your SAT to Houston flight:

  • Forget about inconvenient public transport timetables or long cab queues. Grab a William P. Hobby Airport rental car and let your trip unfold on your terms. Compare rates and availability from Easirent, Dollar and Thrifty.

  • Lock in the lowest price by booking your ride from HOU four weeks ahead of time. You'll also have access to a greater selection of vehicles.

  • The address for William P. Hobby Airport is 7800 Airport Boulevard.

Best time to go to Houston

  • Carefully consider your trip dates before locking in your flight from San Antonio International Airport to Houston. The city comes alive in high season, but prices are typically higher and top attractions can be crowded. Visit Houston in the off-season for a more relaxed vibe.

  • Lock in a San Antonio International Airport to Houston flight ticket with a departure in August if you want to visit the city during its warmest month. Expect temperatures to range from 24ºC (75ºF) to 40ºC (104ºF).

  • Search for cheap tickets from SAT to Houston in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 19ºC (66ºF) on average.

More about Houston

Explore more of United States

  • San Antonio is just one of the many cities in United States waiting to be discovered once you've seen the sights of Houston. Around 306 kilometres away to the west, its top attractions include The San Antonio River Walk, San Antonio Missions National Historical Park and San Fernando Cathedral.

  • Dallas is another standout destination in United States and is around 370 kilometres north of Houston. No journey is complete without a visit to Dallas Arboretum and Botanical Gardens, Perot Museum of Nature and Science and Dallas Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.