Cheap flights from St. Augustine to Knoxville (UST - TYS)
UST — TYS
Dec 3 — Dec 101
1 adult, Economy
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Find cheap flights from St. Augustine to Knoxville 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.Cheap flight deals from St. Augustine to Knoxville
Discover tips and strategies to find the most affordable flight options for your journey from St. Augustine (UST) to Knoxville (TYS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 3, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Compare providers for flights from St. Augustine to Knoxville
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Augustine to Knoxville in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Augustine-Knoxville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Augustine-Knoxville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Augustine-Knoxville flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Augustine-Knoxville flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Augustine-Knoxville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from St. Augustine to Knoxville
Have a flexible travel schedule? Discover the best time to fly to Knoxville from St. Augustine 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 St. Augustine to Knoxville
What is the cheapest month to book a flight from St. Augustine to Knoxville?
Currently, September is the cheapest month in which you can book a flight from St. Augustine to Knoxville (average of $47). Flying from St. Augustine to Knoxville in May is currently the most expensive (average of $80). 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 TYS?
Find hourly flight availability from St. Augustine to Knoxville. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.
When flying from St. Augustine to Knoxville, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 52% versus a flight in the morning.
Related info for your journey
Find useful and relevant information for your journey from St. Augustine to Knoxville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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