$386 Cheap Flights from Newark Liberty Intl. Airport (EWR) to Castries (SLU)

View $386 flight on Mon, Jan 26, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $386 for one-way flights and $859 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Dec 15 - Mon, Dec 22
EWR
New York
SLU
Castries
$859 Roundtrip, found 3 days ago
$859
Roundtrip
found 3 days ago
Select United flight, departing Mon, Dec 15 from New York to Castries, returning Mon, Dec 22, priced at $859 found 3 days ago

Find the cheapest month to fly from New York (EWR) to Castries (SLU)

January is typically the cheapest month to fly

From $311 - $820 per traveler.

Alternative airports near Castries

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

Select flight to Hewanorra Intl. UVF. Average driving time to city center is 53 minutes. Flights from $1,404
UVF
Hewanorra Intl.
Average driving time to city center53 min
Flights from $1,404

Frequently asked questions

How much does a flight from Liberty Intl. Airport (EWR) to George F. L. Charles Airport (SLU) cost?
Get a cheap one-way flight from $386 or cheap return flight from $859 from Liberty Intl. Airport (EWR) to George F. L. Charles Airport (SLU) 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 Liberty Intl. Airport (EWR) to George F. L. Charles Airport (SLU)?
Flying in December may help you find better deals, as it's the cheapest month for flights between EWR and SLU. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Liberty Intl. Airport (EWR) to George F. L. Charles Airport (SLU)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from EWR to SLU. Then, sort your results by "Price (lowest to highest)" to snap up a good deal.
How many flights per day from Liberty Intl. Airport (EWR) to George F. L. Charles Airport (SLU)?
There aren't any daily nonstop flights departing from Liberty Intl. Airport (EWR) to George F. L. Charles Airport (SLU). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from EWR to SLU?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary based on the season, 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 Liberty Intl. Airport (EWR) to George F. L. Charles Airport (SLU)?
To reach George F. L. Charles Airport (SLU) without delays, opt for a flight that takes off from Liberty Intl. Airport (EWR) 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.
What airports do you fly into for Castries from Liberty Intl. Airport (EWR)?
Hewanorra Intl. Airport (UVF) is the only airport in Castries with direct flights from Liberty Intl. Airport (EWR). Compare the available options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Liberty Intl. Airport (EWR) to George F. L. Charles Airport (SLU) last-minute?
Booking your flight from EWR to SLU right before your getaway is generally more expensive. But if there's some wiggle room with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an EWR to SLU flight and hotel package?
Compared with arranging flights and hotels separately, booking an EWR to SLU flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the hassle out of planning your trip. Just pick your flights and select from our extensive range of hotels, then tailor your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from Liberty Intl. Airport (EWR) to George F. L. Charles Airport (SLU)?
You can usually cancel or reschedule your EWR to SLU flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Newark Liberty Intl. Airport
Destination airport
George F. L. Charles
Roundtrip price
$859
Distance
2006 mi

Book with confidence

Newark Liberty Intl. Airport to Castries Flights

The cheapest times to fly from Newark Liberty Intl. Airport to Castries

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

 

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

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

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 Newark Liberty Intl. Airport to Castries in 2025. You can also book with separate airlines for your outbound and return journeys, from $386 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 Newark Liberty Intl. Airport to Castries 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 Newark Liberty Intl. Airport to Castries 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.

 

Newark Liberty Intl. Airport to Castries Flights

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*Available to One Key members.