The cheapest times to fly from SAT to IAH are
- August 6th to November 18th
- December 3rd to February 25th (except the week of December 17th)
based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SAT to IAH is late September. Prices can be as high as $513 for Thursday flights during mid March, or as low as $237 for Wednesday flights around late September.
When to Fly to Houston
Flying from San Antonio, TX (SAT) to Houston, TX (IAH) will usually cost between $241 to $351 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late September with an average ticket price of $241. Due to high demand the most expensive time to fly is mid March, with an average price of $339. Planning your trip to low-cost times can easily save you $98 on economy flights and even more on first-class flights. Generally, any price below $256 can be considered a good price for a round-trip SAT to IAH flight.
See below for a graph of average weekly prices for the SAT to IAH route. All prices are for round-trip tickets in USD.
Compared to other flights, the SAT to IAH flight is much cheaper than the average and costs much less than the average flight leaving from San Antonio. The average price per mile (for a direct flight) is $0.84, which is above average.
Flight Prices by Day of the Week
Wednesday is usually the cheapest day to fly to IAH, and Tuesday the cheapest day to fly back into SAT. Thursdays are the most expensive days to fly to Houston, and Sundays are the most expensive days to return to San Antonio. Selecting flights on the least expensive days could save you up to $15 (5%) on this flight.
Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $266. Return trip prices are from the IAH to SAT flight, and often highlight the quality of our data in showing the same trend.
Departing Prices by Day
Return Trip Prices by Day
Nonstop Flights and Layovers
Travelers looking to fly from SAT to IAH can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 19 minutes may be realistic.
Flight Questions Answered
Still have questions about flying from SAT to IAH? We’ve got answers.
Which airlines fly this route?
You can find 6 major airlines flying this route most often: Alaska, American, Delta, Frontier, Qantas, United, and potentially more during busy seasons.
How far away is it from George Bush Intercontinental/Houston Airport to San Antonio International Airport?
The distance between the two airports is roughly 190 miles or 306 kilometers.
How long does it take to fly from SAT to IAH?
The real-world flight time for a nonstop SAT to IAH flight is about 1 hour 19 minutes.
How many flights go between San Antonio, TX and Houston, TX?
It depends on the day of the week and the date, but a typical day might have around 48 available flights from SAT to IAH.
Airport Location Info
|Origination airport name||San Antonio International Airport|
|City||San Antonio, TX|
|Country||the United States|
|Destination airport name||George Bush Intercontinental/Houston Airport|
|Country||the United States|
Late and Early Flight Data
Flights from SAT to IAH tend to depart as late as the average flight. According to our recently updated data, 24% of flights departed 5 or more minutes late, and 44% of flights left 5 or more minutes early. On average you can expect to leave IAH heading for SAT about 14 minutes late. This does significantly impact arrival time, as the average landing time in Houston, TX is about 15 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:
- SkyWest: 14 minutes late
- United: 16 minutes late
- Republic: 6 minutes early
- Mesa: 11 minutes late
- ExpressJet: 5 minutes late
- Some airlines not reporting
Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.