Cheap Flights from St. Augustine (UST) to Newark Liberty Intl. Airport (EWR)

Featured airlines

American Airlines
United
Southwest Airlines
Delta
Spirit Airlines
JetBlue Airways
Frontier Airlines
Air India
Hawaiian Airlines

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key
Find available prices by choosing your travel dates.
Flights from St. Augustine (UST) to Newark Liberty Intl. Airport (EWR)
Origin airport
Northeast Florida Regional
Destination airport
Newark Liberty Intl. Airport
Distance
843 mi

St. Augustine to Newark Liberty Intl. Airport Flights

The cheapest times to fly from St. Augustine to Newark Liberty Intl. Airport

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

 

The best time to book a flight from St. Augustine to Newark Liberty Intl. Airport

Sunday is one of the best days to book for cheap flights from St. Augustine to Newark Liberty Intl. Airport: 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 Newark Liberty Intl. Airport

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 Newark Liberty Intl. Airport 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 Newark Liberty Intl. Airport 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 Newark Liberty Intl. Airport 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.

 

Frequently asked questions

How much does a flight from Northeast Florida Regional Airport (UST) to Liberty Intl. Airport (EWR) cost?
Discover the latest flight deals from UST to EWR by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from UST to EWR?
The cheapest flights from UST to EWR are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Northeast Florida Regional Airport (UST) to Liberty Intl. Airport (EWR)?
Although St. Augustine, FL (UST-Northeast Florida Regional) doesn’t offer any direct flights to Liberty Intl. Airport (EWR), other airports have nonstop routes. Flying from Jacksonville Intl. Airport (JAX) will get you to Newark without any layovers.
What is the cheapest airline that flies from UST to EWR?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from UST to EWR. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Northeast Florida Regional Airport (UST) to Liberty Intl. Airport (EWR)?
You’ll need to catch a flight with a layover if you’re traveling from Northeast Florida Regional Airport (UST) to Liberty Intl. Airport (EWR). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from UST to EWR?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on various factors, such as the season and airline.*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 Liberty Intl. Airport (EWR)?
To land at Liberty Intl. Airport (EWR) on schedule, book a flight that leaves from Northeast Florida Regional Airport (UST) before 3 PM. The chance 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 Liberty Intl. Airport (EWR) last-minute?
Waiting until right before your break to book a ticket from UST to EWR generally means paying more. While you may find some last-minute discounts, they aren’t always guaranteed. Keep your travel plans flexible to maximize your chances of scoring a bargain.
Is it cheaper to book an UST to EWR flight and hotel package?
Opting for an UST to EWR flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Northeast Florida Regional Airport (UST) to Liberty Intl. Airport (EWR)?
In most cases, you can cancel or reschedule your UST to EWR flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline’s fees and guidelines on flight changes, or if you need further information, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.