Cheap Flights from Charleston (CHS) to St. Augustine (UST)

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

Frequently asked questions

How much does a flight from Charleston Intl. Airport (CHS) to Northeast Florida Regional Airport (UST) cost?
Lock in a cheap one-way flight or cheap return flight from Charleston Intl. Airport (CHS) to Northeast Florida Regional Airport (UST) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Charleston Intl. Airport (CHS) to Northeast Florida Regional Airport (UST)?
is the cheapest month to fly from CHS to UST. Traveling during quieter months is often the key to scoring lower fares.
What is the cheapest airline that flies from Charleston Intl. Airport (CHS) to Northeast Florida Regional Airport (UST)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest CHS to UST flight.
How many flights per day from Charleston Intl. Airport (CHS) to Northeast Florida Regional Airport (UST)?
You'll need to catch a flight with a layover if you're traveling from Charleston Intl. Airport (CHS) to Northeast Florida Regional Airport (UST). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from CHS to UST?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Charleston Intl. Airport (CHS) to Northeast Florida Regional Airport (UST)?
To avoid possible delays on the Charleston Intl. Airport (CHS) to Northeast Florida Regional Airport (UST) route, fly before 3 PM. Flights after this time are 22% more likely to be 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 Charleston Intl. Airport (CHS) to Northeast Florida Regional Airport (UST) last-minute?
Waiting until just before your trip to book a flight from CHS to UST often results in higher prices. Although you may find some last-minute deals, there's no guarantee. Keep your travel plans flexible to boost your chances of getting a bargain.
Is it cheaper to book a CHS to UST flight and hotel package?
You'll typically save money by securing a CHS to UST flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your preferred accommodations and flights, consider other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Charleston Intl. Airport (CHS) to Northeast Florida Regional Airport (UST)?
If you reserved your CHS to UST flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

Travel information

Origin airport
Charleston Intl.
Destination airport
Northeast Florida Regional
Distance
216 mi

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Charleston to St. Augustine Flights

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

 

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

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

 

Charleston to St. Augustine Flights

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*Available to One Key members.