How to find the cheapest flight from
Boston (BOS) to St Augustine (UST)
What is the cheapest day to fly round-trip from Boston to St Augustine?
Travelers have found that booking a Monday departure is the best way to save up to 207% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.
When is the cheapest time to fly from Boston to St Augustine (BOS - UST)?
When flying from Boston to St Augustine, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 47% versus a flight in the evening.
Related info for your journey
Useful info, stats and facts about Boston to St Augustine flights.
Alternative routes for Boston to St Augustine
Destination information for St Augustine
Things to know before you go. Useful info for your trip from Boston to St Augustine