Cheap flights from Raleigh to St. Augustine (RDU - UST)
Find cheap flights from Raleigh to St. Augustine with Cheapflights
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Best time to book a flight from Raleigh to St. Augustine
Have a flexible travel schedule? Discover the best time to fly to St. Augustine from Raleigh with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Raleigh to St. Augustine
What is the cheapest time of day to fly from RDU to UST?
Find hourly flight availability from Raleigh to St. Augustine. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.
Unlike at noon, when flights are generally more expensive, you can save up to 16% on flights from Raleigh to St. Augustine by exploring options for tickets in the evening.
What is the cheapest day to fly from Raleigh to St. Augustine?
Use this chart to determine the cheapest time to fly round-trip from Raleigh to St. Augustine. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their Raleigh to St. Augustine flight should consider departing on Tuesday evenings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
Rainfall in St. Augustine by month
Plan your trip to St. Augustine by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in St. Augustine ranges from 2.0 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. November is typically the driest time to visit St. Augustine when rainfall is around 2.0 in.
Temperature in St. Augustine by month
Plan your trip to St. Augustine by taking into account the average temperature totals by month.
If weather is an important factor for your trip to St. Augustine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).