Cheap flights from Las Vegas to St. Augustine (LAS - UST)
LAS — UST
Aug 5 — Aug 121
1 adult, Economy
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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 Las Vegas to St. Augustine
Have a flexible travel schedule? Discover the best time to fly to St. Augustine from Las Vegas with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Las Vegas to St. Augustine
What is the cheapest time of day to fly from LAS to UST?
Find hourly flight availability from Las Vegas 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 July 31, 2025.
It’s typically best to fly out from Las Vegas to St. Augustine at noon. Doing so could potentially save you 46% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from Las Vegas to St. Augustine?
Use this chart to determine the cheapest time to fly round-trip from Las Vegas to St. Augustine. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their Las Vegas to St. Augustine flight should consider departing on Sunday at noon 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.
Related info for your journey
Find useful and relevant information for your journey from Las Vegas to St. Augustine. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near St. Augustine?
Book flights to St. Augustine if you plan to visit one of these locationsVilano Beach