$458 Cheap Flights from Castries (SLU) to Newark Liberty Intl. Airport (EWR)

View $458 flight on Mon, Dec 22, 2025Opens in a new window

Popular airlines from George F. L. Charles Airport (SLU) to Newark Liberty Intl. Airport (EWR)

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Cheap Flights from Castries to Newark Liberty Intl. Airport (SLU-EWR)

Prices were available within the past 7 days and start at $458 for one-way flights and $1,077 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Windward Island Airways International
Thu, Feb 5 - Mon, Feb 9
SLU
Castries
EWR
New York
$1,077 Roundtrip, found 4 days ago
$1,077
Roundtrip
found 4 days ago
Select Windward Island Airways International flight, departing Thu, Feb 5 from Castries to New York, returning Mon, Feb 9, priced at $1,077 found 4 days ago

Alternative airports near New York

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to John F. Kennedy Intl. JFK. Average driving time to city center is 24 minutes. Flights from $358
JFK
John F. Kennedy Intl.
Average driving time to city center24 min
Flights from $358
Select flight to LaGuardia LGA. Cheapest option available. Average driving time to city center is 14 minutes. Flights from $347
LGA
LaGuardia
Cheapest
Average driving time to city center14 min
Flights from $347
Flights from Castries (SLU) to Newark Liberty Intl. Airport (EWR)
Origin airport
George F. L. Charles
Destination airport
Newark Liberty Intl. Airport
Roundtrip price
$1,076
Distance
2006 mi

Castries to Newark Liberty Intl. Airport Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Castries 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 Castries 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 Castries to Newark Liberty Intl. Airport in 2026. You can also book with separate airlines for your outbound and return journeys, from $458 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 Castries 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 Castries 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 George F. L. Charles Airport (SLU) to Liberty Intl. Airport (EWR) cost?
Snag a cheap one-way flight from $458 or cheap return flight from $1,077 from George F. L. Charles Airport (SLU) to Liberty Intl. Airport (EWR) 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 George F. L. Charles Airport (SLU) to Liberty Intl. Airport (EWR)?
Planning your trip for February can help you save, as it's the cheapest month for flights between SLU and EWR. You'll usually find the lowest fares during off-peak months.
Which airlines fly direct from George F. L. Charles Airport (SLU) to Liberty Intl. Airport (EWR)?
There are no direct flights from Castries (SLU-George F. L. Charles) to Liberty Intl. Airport (EWR). However, there are other airports that offer nonstop flights. Board your plane at Hewanorra Intl. Airport (UVF) and fly straight to Newark without layovers.
What is the cheapest airline that flies from George F. L. Charles Airport (SLU) to Liberty Intl. Airport (EWR)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from SLU to EWR. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from George F. L. Charles Airport (SLU) to Liberty Intl. Airport (EWR)?
You'll have to book a flight with a layover when traveling from George F. L. Charles Airport (SLU) to Liberty Intl. Airport (EWR). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from SLU to EWR?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can vary based on a number of factors, such as the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from George F. L. Charles Airport (SLU) to Liberty Intl. Airport (EWR)?
To avoid possible delays on the George F. L. Charles Airport (SLU) to Liberty Intl. Airport (EWR) route, aim to fly before 3 PM. Later flights 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 George F. L. Charles Airport (SLU) to Liberty Intl. Airport (EWR) last-minute?
Last-minute bookings from SLU to EWR are usually more expensive. For the best rates, start looking for flights ahead of time. That being said, if you can play around with your travel dates, it's possible to land a cheap fare right before your trip.
Is it cheaper to book a SLU to EWR flight and hotel package?
Booking a SLU to EWR flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Pick from our extensive range of hotels and then add car rentals, activities 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 George F. L. Charles Airport (SLU) to Liberty Intl. Airport (EWR)?
You can usually cancel or reschedule your SLU to EWR flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more details on our Customer Service portal.

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*Available to One Key members.