Cheap Flights from Washington (DCA) to St. Augustine (UST)

Popular airlines from Ronald Reagan Washington National Airport (DCA) to St. Augustine, FL (UST-Northeast Florida Regional)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Northeast Florida Regional Airport (UST) cost?
Lock in a cheap one-way flight or cheap return flight from Ronald Reagan Washington National Airport (DCA) to Northeast Florida Regional Airport (UST) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Northeast Florida Regional Airport (UST)?
Traveling in may help you find better deals, as it's the cheapest month for flights between DCA and UST. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Northeast Florida Regional Airport (UST)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from DCA to UST. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Northeast Florida Regional Airport (UST)?
Direct flights from Ronald Reagan Washington National Airport (DCA) to Northeast Florida Regional Airport (UST) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DCA to UST?
Usually you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Northeast Florida Regional Airport (UST)?
To avoid possible delays on the Ronald Reagan Washington National Airport (DCA) to Northeast Florida Regional Airport (UST) route, aim to travel before 3 PM. Later flights have a 22% higher chance of cancellation.**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.
What airports do you fly into for St. Augustine from Ronald Reagan Washington National Airport (DCA)?
Browse your flight options from Ronald Reagan Washington National Airport (DCA) to Jacksonville Intl. Airport (JAX). This is the only airport in St. Augustine you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Northeast Florida Regional Airport (UST) last-minute?
Last-minute bookings from DCA to UST are generally more expensive. For the lowest prices, start looking for flights early. That said, if you can play around with your travel dates, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book a DCA to UST flight and hotel package?
You'll generally save money by booking a DCA 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 everything in one place. After choosing your ideal accommodations and flights, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Northeast Florida Regional Airport (UST)?
In most instances, you're able to cancel or reschedule your DCA to UST flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want further details, go to our Customer Service portal.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Northeast Florida Regional
Distance
661 mi

Book with confidence

Washington to St. Augustine Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Washington 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 Washington 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 Washington 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 Washington 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 Washington 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.

 

Washington to St. Augustine Flights

Explore a world of travel with Expedia

*Available to One Key members.