There are most likely no direct flights on the Houston — San Antonio route
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Houston to San Antonio. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
In different months, ticket prices from Houston to San Antonio vary: minimum — $107 (July 2026), maximum — $187 (September 2026). Typically, the flight costs $137–$302.
A non-stop flight is the most convenient and comfortable way to fly from Houston to San Antonio, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Prices on the Houston — San Antonio route are consistently going up. From July 2026 to September 2026, tickets went from $107 to $187 — a 75% increase. This trend is worth considering when planning your trip.
The most significant price increase was from July 2026 to September 2026 — up 75%. The best time to fly is July 2026–August 2026, when the average price is $111. In August 2026–September 2026, tickets cost around $151.
Given the rising prices, it's best not to delay your purchase. Flying in July 2026–August 2026 can save you up to 26% compared to the most expensive months.
Price variation across months on this route is 26.2%. Your choice of departure month significantly affects the total flight cost.
There are most likely no direct flights on the Houston — San Antonio route
Houston — San Antonio
09/06/2026
Departure
Direct flight
UA6161
starting at $290
starting at $290
starting at $126
The Houston — San Antonio route is served by multiple airlines, including United Airlines and Southwest Airlines. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $126, and depending on season and promotions, even better deals may appear. With our service, you can easily compare available options and book tickets that match your plans. The variety of carriers allows flexible choices and comfortable travel without overpaying.
The cheapest flight ticket from Houston to San Antonio according to data for the last 48 hours costs $126
Often the best time to buy tickets from Houston to San Antonio is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Houston to San Antonio can be found flying in these months: July, August, September.
The fastest flights from Houston to San Antonio start from 1 hour 5 minutes in the air.
The following airlines operate direct flights on the route Houston — San Antonio: United Airlines
The cheapest one-way flight from Houston to San Antonio departs on 09/06/2026, is operated by Southwest Airlines and costs $126
There is no information about the cheapest roundtrip flight from Houston to San Antonio
Fastest flight from Houston to San Antonio takes 1h 5m
There are direct flights on this route 1 day a week: Su
The distance between Houston and San Antonio is 303km (188 miles). There are 11 direct flights from Houston to San Antonio. Houston and San Antonio are in the same time zone. Flights from Houston begin at 7:20 AM. The latest flight from Houston departs at 10:35 PM
We couldn't find any special offers for flights from Houston to San Antonio