Cheap Flights from San Antonio International 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.

Find the cheapest month to fly from San Antonio International to Houston

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like San Antonio International to Houston flights are currently cheapest in May.

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 found85 €
Cheapest month to flyMay
Average flight time1 hr, 3 mins
Most popular airlineUnited
Average flights per week259

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 85 €. 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.
United, Southwest Airlines and Air Canada fly direct from San Antonio International to Houston.
As of April 2025, there are 259 flights per week flying from San Antonio International to Houston.
The cheapest month to fly from San Antonio International to Houston is usually April 2025.
If you're flying from San Antonio International Airport, the cheapest airport near Houston is Houston George Bush Intercntl. – which is 25.0 km away from the centre of Houston. We've found flights into this airport from 85 €.
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 Monday, 19 May 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 April, the average temperature is usually around 20°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, United offers the cheapest flight tickets to Houston.

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

  • Around 1 hour 4 minutes is how long you can expect to be in the air on a direct flight from San Antonio International Airport to Houston.

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

  • The most popular route is from San Antonio International Airport (SAT) to George Bush Intercontinental Airport (IAH). Take your pick of 77 services every week between these two airports. If you want to get going as soon as possible, the earliest flight from SAT to IAH is the 05:00 United option. If you'd rather travel later, the final departure is at 19:35 with United.

  • For hassle-free travel, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to catch your flight from SAT to Houston.

  • Popular months like July or high seasons such as summer and spring break will mean bigger queues at check-in and security. Travelling then? Play it safe and head to the terminal even earlier. Arriving two hours before a domestic flight and up four hours ahead of an international flight is a smart move.

  • Direct flights from San Antonio International Airport (SAT) to Houston are available for booking. George Bush Intercontinental Airport (IAH) is where you'll be landing.

  • Get on board with United. This airline offers direct flights from San Antonio International Airport to Houston.

  • Once you've booked cheap tickets from San Antonio International Airport to Houston, get your documents in order. A visa or passport isn't necessary since you're travelling within United States. As long as you have another valid form of identification, such as an ID card or driver's licence, you're all set.

  • SAT is around 19 kilometres from central San Antonio. If you're ride-sharing, catching a cab or driving from the centre, it'll take you 21 minutes or so to get there, depending on traffic conditions. If you're using public transport, expect the trip time to be approximately 1 hour and 32 minutes.

  • Booked an early flight from San Antonio International Airport to Houston? Avoid rushing to the terminal (and get some extra shut-eye) by picking one of these hotels close to SAT:

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

  • The best price we've seen for a one-way ticket from San Antonio International Airport to Houston is 33 €. The cheapest price for a return flight is 85 €. Remember fares can change due to availability at the time of booking.

  • Lock in cheap tickets from SAT to Houston by booking at least 9 months ahead. Based on our research, that's the sweet spot for picking up a bargain.

  • The cheapest month for tickets from San Antonio International Airport to Houston is May. Compare prices using the 'Whole month' tool to find the cheapest travel date.

  • Set up a Price Alert for cheap tickets from SAT to Houston. There's no need to look every day to see whether prices have fallen. We'll tell you as soon as there's a change in price.

  • Use the filters to tailor your flights from San Antonio International Airport to Houston. Simply enter your preferred departure and arrival times, airlines and number of stops. Or sort your results by 'Cheapest' to find the best deals.

Airports in Houston

George Bush Intercontinental Airport (IAH)

William P. Hobby Airport (HOU)

  • Central Houston is around 19 kilometres from William P. Hobby Airport (HOU). Once your flight from San Antonio International Airport to Houston has touched down and you've made your way through the terminal, the drive should be around 22 minutes.

  • You can expect the trip to take approximately 1 hour and 42 minutes on public transport.

  • There are some great places where you can make a pit stop near HOU. Tuck yourself in and get cosy after your flight from SAT to Houston at any of these perfectly located options:

Best time to go to Houston

  • July is the most popular month to board a flight from San Antonio International Airport to Houston while February is the quietest. To work out the best time to go to Houston, consider whether you like a lively atmosphere or a quieter vibe.

  • Book your flight from San Antonio International Airport to Houston for August to experience the city during its warmest month. Expect temperatures to range from 24ºC to 40ºC.

  • If you like travelling in cooler conditions, look for a cheap flight from SAT to Houston in January when temperatures average between 5ºC and 19ºC.

More about Houston

  • After locking in your flight from San Antonio International Airport to Houston, think about where you want to stay in this city. Make one of these options your base for exploring Houston:

  • The Houston Museum of Natural Science and The Museum of Fine Arts, Houston, Beck Building are just two of the top attractions to put on your Houston travel itinerary. Continue your sightseeing adventures at Hermann Park.

Complete your Houston trip with a car rental

  • Choose one of our car rentals in Houston and explore the city in your own time. Easily compare companies in one go to find the perfect set of wheels once you've locked in your hotel and cheap flights from San Antonio International Airport to Houston.

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