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Cheap flights from St. Augustine to San Antonio (UST - SAT)

UST — SAT
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Cheap flight deals from St. Augustine to San Antonio

Discover tips and strategies to find the most affordable flight options for your journey from St. Augustine (UST) to San Antonio (SAT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars
Provider with most accurate pricing for St. Augustine Northeast Florida Regional-San Antonio flight deals.
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Provider most trusted by Cheapflights users for St. Augustine Northeast Florida Regional-San Antonio flights.
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Compare providers for flights from St. Augustine to San Antonio

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Augustine to San Antonio in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Augustine-San Antonio flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Augustine-San Antonio flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Augustine-San Antonio flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Augustine-San Antonio flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Augustine-San Antonio flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Augustine to San Antonio

Have a flexible travel schedule? Discover the best time to fly to San Antonio from St. Augustine with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Augustine to San Antonio

What is the cheapest month to book a flight from St. Augustine to San Antonio?

Currently, September is the cheapest month in which you can book a flight from St. Augustine to San Antonio (average of $51). Flying from St. Augustine to San Antonio in November is currently the most expensive (average of $95). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from UST to SAT?

Find hourly flight availability from St. Augustine to San Antonio. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 23, 2025.

One of the essential ways to save on airfare from St. Augustine to San Antonio is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 36% on airfare.

Related info for your journey

Find useful and relevant information for your journey from St. Augustine to San Antonio. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from St. Augustine to San Antonio that include hotel bookings?

    Yes. In addition to deals on St. Augustine to San Antonio flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Augustine to San Antonio?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Augustine to San Antonio.

  • Can I find deals for business class flights from St. Augustine to San Antonio?

    Yes. Cheapflights offers flight deals from St. Augustine to San Antonio by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Augustine to San Antonio?

    Currently, September is the cheapest month in which you can book a flight from St. Augustine to San Antonio (average of $51). Flying from St. Augustine to San Antonio in November is currently the most expensive (average of $95). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near San Antonio?

Book flights to San Antonio if you plan to visit one of these locations
New Braunfels
Kerrville

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