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Cheap Flights from Houston to San Antonio
HOU → SAT • About 1h 05m nonstop • 2 airlines
Adults
+12 years old
Children
2-11 years old
Infants
Under 2 years
Fares shown are the lowest we have recorded recently on this route and are not a live quote. Run a search above for today's availability, or call (800) 399-8818 and an agent will price it with you.
Flights from Houston (HOU) to San Antonio (SAT)
The Houston to San Antonio route covers roughly 190 miles and takes about 1h 05m nonstop. 2 airlines compete on it — United Airlines, Southwest Airlines — which keeps fares moving and makes it worth comparing carriers rather than defaulting to the one you usually fly. We have seen one-way fares on this route start around $74.
San Antonio holds the Alamo and four other Spanish colonial missions, together a UNESCO World Heritage Site, plus a River Walk that runs below street level through the centre of downtown.
It is the most visited city in Texas and considerably cheaper than Austin, which is 80 minutes north.
Airlines flying HOU to SAT
- United Airlines
- Southwest Airlines
Airports on this route
- Departing: George Bush Intercontinental Airport (IAH)
- Departing: William P. Hobby Airport (HOU)
- Arriving: San Antonio International Airport (SAT)
Houston is served by 2 airports. Fares between them can differ by $50 to $150 on the same dates, so ask us to price all of them before you book.
Best time to fly to San Antonio
March through May and October through November. Summers regularly exceed 95°F.
Top things to do in San Antonio
- The Alamo
- San Antonio River Walk
- San Antonio Missions
- Pearl District
- SeaWorld San Antonio
- Six Flags Fiesta Texas
How to save on Houston to San Antonio flights
- Shift your departure by one or two days — midweek departures on this route are consistently cheaper than Friday and Sunday.
- Book four to eight weeks ahead. Last-minute fares on HOU to SAT routinely run double the advance price.
- Compare all 2 carriers rather than checking one airline's own site.
- The airport is about 8 miles north of downtown.
- Fiesta San Antonio in April fills the city for ten days.
- The Mission Reach trail links all five missions by bike or on foot.
About flights from Houston to San Antonio
Fares on the HOU to SAT route move with demand, so flexibility is worth more than timing tricks. Shifting your departure by a day or two, flying midweek instead of Friday or Sunday, and booking four to eight weeks ahead all reduce the fare on this route. Houston is served by 2 airports, so ask us to price all of them — the difference is often significant. Our agents also hold consolidator and unpublished fares that do not appear in online results.
United Airlines, Southwest Airlines all operate on this route. United Airlines typically offers the most frequencies, with Southwest Airlines providing competing schedules. Availability varies by season and by which Houston airport you depart from, so it is worth comparing all carriers before booking.
A nonstop flight takes about 1h 05m. Itineraries with a connection typically add two to four hours depending on the layover city and the length of the stop.
The two cities are roughly 190 miles apart by air.
Departures leave from George Bush Intercontinental Airport (IAH), William P. Hobby Airport (HOU). Arrivals land at San Antonio International Airport (SAT).
March through May and October through November. Summers regularly exceed 95°F.