Cheap flights from St. Augustine (UST) to Williamsburg, VA
UST — RIC
Dec 2 — Dec 91
1 adult, Economy
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Everything you need to know about your flight from St. Augustine to Williamsburg
What is the cheapest month to book a flight from St. Augustine to Williamsburg?
Currently, January is the cheapest month in which you can book a flight from St. Augustine to Williamsburg (average of $38). Flying from St. Augustine to Williamsburg in December is currently the most expensive (average of $85). 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 W11?
Find hourly flight availability from St. Augustine to Williamsburg. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 2, 2025.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 37% on flights from St. Augustine to Williamsburg by exploring options for tickets in the evening.