Currently, August is the cheapest month in which you can book a flight from St. Augustine to Washington, D.C. (average of $309). Flying from St. Augustine to Washington, D.C. in July is currently the most expensive (average of $345). 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.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 62% on flights from St. Augustine to Washington, D.C. by exploring options for tickets at noon.
Travelers seeking maximum savings on their St. Augustine to Washington, D.C. flight should consider departing on Saturday mornings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.