Cheap Flights from Louisville (SDF) to St. Augustine (UST)

Popular airlines from Louisville Intl. Airport (SDF) to St. Augustine, FL (UST-Northeast Florida Regional)

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Frequently asked questions

How much does a flight from Louisville Intl. Airport (SDF) to Northeast Florida Regional Airport (UST) cost?
Grab a cheap one-way flight or cheap return flight from Louisville Intl. Airport (SDF) to Northeast Florida Regional Airport (UST) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Louisville Intl. Airport (SDF) to Northeast Florida Regional Airport (UST)?
The cheapest month to fly from SDF to UST is , when there's less demand. Off-peak months are generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Louisville Intl. Airport (SDF) to Northeast Florida Regional Airport (UST)?
To find the cheapest airline that'll fly you from SDF to UST, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Louisville Intl. Airport (SDF) to Northeast Florida Regional Airport (UST)?
You'll need to take a flight with a layover if you're traveling from Louisville Intl. Airport (SDF) to Northeast Florida Regional Airport (UST). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from SDF to UST?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Louisville Intl. Airport (SDF) to Northeast Florida Regional Airport (UST)?
To avoid potential delays on the Louisville Intl. Airport (SDF) to Northeast Florida Regional Airport (UST) route, travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Louisville Intl. Airport (SDF) to Northeast Florida Regional Airport (UST) last-minute?
Booking your ticket from SDF to UST just before your trip is typically more expensive. However, if you're flexible with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book a SDF to UST flight and hotel package?
You'll typically save money by booking a SDF to UST flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred flights and accommodations, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Louisville Intl. Airport (SDF) to Northeast Florida Regional Airport (UST)?
It's usually possible to reschedule or cancel your SDF to UST flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Louisville Intl.
Destination airport
Northeast Florida Regional
Distance
621 mi

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Louisville to St. Augustine Flights

The cheapest times to fly from Louisville to St. Augustine

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Louisville to St. Augustine are during the month of . You can find some of the cheapest flights from Louisville to St. Augustine with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Louisville to St. Augustine

Sunday is one of the best days to book for cheap flights from Louisville to St. Augustine: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Louisville to St. Augustine

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Louisville to St. Augustine in 2026. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Louisville to St. Augustine flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Louisville to St. Augustine airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Louisville to St. Augustine Flights

*Flight schedules are subject to change.

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