Cheap flights from St. Augustine (UST) to Fremont, CA
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Keep the following information in mind while searching for St. Augustine to Fremont flight deals. Data was last updated October 16, 2025.
Most accurate provider | FlightHub 3 stars |
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Most trusted provider | FlightHub 3 stars |
Cheapflights Insights
Everything you need to know about your flight from St. Augustine to Fremont
What is the cheapest month to book a flight from St. Augustine to Fremont?
Currently, May is the cheapest month in which you can book a flight from St. Augustine to Fremont (average of $138). Flying from St. Augustine to Fremont in December is currently the most expensive (average of $197). 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 FR8?
It’s typically best to fly out from St. Augustine to Fremont at noon. Doing so could potentially save you 31% on the flight price compared to flying in the evening, which is usually more expensive.
What is the cheapest day to fly from St. Augustine to Fremont?
Travelers seeking maximum savings on their St. Augustine to Fremont flight should consider departing on Saturday at noon when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.