Cheap Flights from St. Augustine (UST) to Key West (EYW)

Popular airlines from St. Augustine, FL (UST-Northeast Florida Regional) to Key West Intl. Airport (EYW)

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Frequently asked questions

How much does a flight from Northeast Florida Regional Airport (UST) to Key West Intl. Airport (EYW) cost?
Snag a cheap one-way flight or cheap return flight from Northeast Florida Regional Airport (UST) to Key West Intl. Airport (EYW) 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 Northeast Florida Regional Airport (UST) to Key West Intl. Airport (EYW)?
Traveling in is a good way to save, as it's the cheapest month for flights between UST and EYW. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from Northeast Florida Regional Airport (UST) to Key West Intl. Airport (EYW)?
To find the cheapest airline that'll fly you from UST to EYW, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Northeast Florida Regional Airport (UST) to Key West Intl. Airport (EYW)?
You'll need to hop on a flight with a layover when traveling from Northeast Florida Regional Airport (UST) to Key West Intl. Airport (EYW). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from UST to EYW?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change 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 Northeast Florida Regional Airport (UST) to Key West Intl. Airport (EYW)?
To land at Key West Intl. Airport (EYW) on time, choose a flight that leaves from Northeast Florida Regional Airport (UST) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Northeast Florida Regional Airport (UST) to Key West Intl. Airport (EYW) last-minute?
Last-minute bookings from UST to EYW are generally more expensive. To lock in the best rates, start searching for flights as soon as possible. That being said, if you're flexible with your travel dates, you may score a cheap fare just before your departure.
Is it cheaper to book an UST to EYW flight and hotel package?
You'll generally save money by booking an UST to EYW flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your ideal accommodations and flights, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Northeast Florida Regional Airport (UST) to Key West Intl. Airport (EYW)?
It's generally possible to reschedule or cancel your UST to EYW flight. However, for bookings 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 more information on our Customer Service portal.

Travel information

Origin airport
Northeast Florida Regional
Destination airport
Key West Intl.
Distance
374 mi

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St. Augustine to Key West Flights

The cheapest times to fly from St. Augustine to Key West

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 St. Augustine to Key West are during the month of . You can find some of the cheapest flights from St. Augustine to Key West with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Augustine to Key West

Sunday is one of the best days to book for cheap flights from St. Augustine to Key West: 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 St. Augustine to Key West

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 St. Augustine to Key West in 2025. 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 St. Augustine to Key West 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 St. Augustine to Key West 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.

 

St. Augustine to Key West Flights

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