Cheap flights from St. Augustine to Las Vegas (UST - LAS)
Find cheap flights from St. Augustine to Las Vegas with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 St. Augustine to Las Vegas
Have a flexible travel schedule? Discover the best time to fly to Las Vegas from St. Augustine with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from St. Augustine to Las Vegas
What is the cheapest month to book a flight from St. Augustine to Las Vegas?
Currently, August is the cheapest month in which you can book a flight from St. Augustine to Las Vegas (average of $198). Flying from St. Augustine to Las Vegas in March is currently the most expensive (average of $269). 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 LAS?
Find hourly flight availability from St. Augustine to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 3, 2025.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 18% on flights from St. Augustine to Las Vegas by exploring options for tickets in the evening.
What is the cheapest day to fly from St. Augustine to Las Vegas?
Use this chart to determine the cheapest time to fly round-trip from St. Augustine to Las Vegas. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their St. Augustine to Las Vegas flight should consider departing on Monday evenings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.