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Cheap Flights from New York Newark (EWR) to Castries (SLUA)

Compare New York Newark to Castries flight deals

Find the cheapest month or even day of the year to fly to Castries

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Flight deals from New York Newark to Castries

Looking for a cheap last-minute deal or the best return flight from New York Newark Airport to Castries? If you want to travel next month, return fares start from £334. Find the lowest prices on one-way and return tickets right here.
Castries.£125 per passenger.Departing Sun, 14 Jun.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from New York Newark on Sun, 14 Jun, arriving in St Lucia Hewanorra.Price includes taxes and charges.From £125, select.
Castries.£137 per passenger.Departing Tue, 1 Sep.One-way flight with American Airlines.Outbound indirect flight with American Airlines, departs from New York Newark on Tue, 1 Sep, arriving in St Lucia Hewanorra.Price includes taxes and charges.From £137, select.
Castries.£137 per passenger.Departing Tue, 7 Jul.One-way flight with American Airlines.Outbound indirect flight with American Airlines, departs from New York Newark on Tue, 7 Jul, arriving in St Lucia Hewanorra.Price includes taxes and charges.From £137, select.
Castries.£138 per passenger.Departing Sat, 29 Aug.One-way flight with United.Outbound direct flight with United departs from New York Newark on Sat, 29 Aug, arriving in St Lucia Hewanorra.Price includes taxes and charges.From £138, select.
Castries.£152 per passenger.Departing Sat, 24 Oct.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from New York Newark on Sat, 24 Oct, arriving in St Lucia Hewanorra.Price includes taxes and charges.From £152, select.
Castries.£154 per passenger.Departing Sat, 4 Jul.One-way flight with United.Outbound direct flight with United departs from New York Newark on Sat, 4 Jul, arriving in St Lucia Hewanorra.Price includes taxes and charges.From £154, select.
Castries.£158 per passenger.Departing Fri, 4 Dec.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from New York Newark on Fri, 4 Dec, arriving in St Lucia Hewanorra.Price includes taxes and charges.From £158, select.
Castries.£159 per passenger.Departing Mon, 3 May.One-way flight with American Airlines.Outbound indirect flight with American Airlines, departs from New York Newark on Mon, 3 May, arriving in St Lucia Hewanorra.Price includes taxes and charges.From £159, select.
Castries.£161 per passenger.Departing Sat, 7 Nov.One-way flight with United.Outbound indirect flight with United, departs from New York Newark on Sat, 7 Nov, arriving in St Lucia Hewanorra.Price includes taxes and charges.From £161, select.
Castries.£162 per passenger.Departing Tue, 19 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from New York Newark on Tue, 19 Jan, arriving in St Lucia Hewanorra.Price includes taxes and charges.From £162, select.
Castries.£183 per passenger.Departing Sat, 26 Sep.One-way flight with United.Outbound direct flight with United departs from New York Newark on Sat, 26 Sep, arriving in St Lucia Hewanorra.Price includes taxes and charges.From £183, select.
Castries.£214 per passenger.Departing Fri, 5 Feb.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from New York Newark on Fri, 5 Feb, arriving in St Lucia Hewanorra.Price includes taxes and charges.From £214, select.
Castries.£226 per passenger.Departing Sat, 24 Oct.One-way flight with United.Outbound direct flight with United departs from New York Newark on Sat, 24 Oct, arriving in St Lucia Hewanorra.Price includes taxes and charges.From £226, select.
Castries.£247 per passenger.Departing Sat, 7 Nov.One-way flight with United.Outbound direct flight with United departs from New York Newark on Sat, 7 Nov, arriving in St Lucia Hewanorra.Price includes taxes and charges.From £247, select.
Castries.£308 per passenger.Departing Wed, 10 Mar.One-way flight with Porter Airlines.Outbound indirect flight with Porter Airlines, departs from New York Newark on Wed, 10 Mar, arriving in St Lucia Hewanorra.Price includes taxes and charges.From £308, select.
Castries.£316 per passenger.Departing Sat, 2 Jan.One-way flight with United.Outbound direct flight with United departs from New York Newark on Sat, 2 Jan, arriving in St Lucia Hewanorra.Price includes taxes and charges.From £316, select.

Find the cheapest month to fly from New York Newark to Castries

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like New York Newark to Castries flights are currently cheapest in June.
Jun
from £125
Jul
from £137
Aug
from £138
Sep
from £137
Oct
from £152
Nov
from £161
Dec
from £158
Jan
from £162
Feb
from £214
Mar
from £308
Apr
Find prices
May
from £159

Direct flights from New York Newark to Castries

Alternative New York Newark to Castries routes

Looking for the cheapest, fastest or easiest route from New York Newark to Castries? You could fly into the following airports instead.

St Lucia Vigie

1 mile from central Castries
Closest
from £289
Search flights

St Lucia Hewanorra

19 miles from central Castries
Cheapest
from £125
Search flights

New York to Castries: Flight information

The things to know before you go.
Cheapest flight found£125
Cheapest month to flyJune
Average flight time4 hrs, 40 mins
Most popular airlineUnited
Average flights per week1

Finding cheap flights from New York Newark to Castries: Frequently asked questions

There are 2 airports in Castries: St Lucia Vigie and St Lucia Hewanorra.
The best price we found for a return flight from New York Newark to Castries is £331. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 40 minutes is the average flight time from New York Newark to Castries.
United flies direct from New York Newark to Castries.
As of June 2026, there is one flight per week flying from New York Newark to Castries.
The cheapest month to fly from New York Newark to Castries is usually September.
If you're flying from New York Newark Airport, the cheapest airport near Castries is St Lucia Hewanorra – which is 19.0 miles away from the centre of Castries. We've found flights into this airport from £331.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from New York Newark Airport to Castries on Saturday, 19 September 2026.
Yes – the average flight time is 4 hours and 40 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Castries but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Castries is around 40 days in advance, so don’t leave your flight to the last minute.
In June, the average temperature is usually around 28°C. September is typically the warmest month in Castries, when it usually averages around 28°C. You can expect the least rain in February. The coldest month is February, with temperatures averaging 25°C. The rainiest month is October.
Currently, United offers the cheapest flight tickets to Castries.

Travelling from Newark Liberty International Airport (EWR) to Castries: what you need to know

  • Approximately 5 hours 10 minutes is how long you can expect to be in the air on a direct flight from Newark Liberty International Airport to Castries.

  • The timezone in Castries is UTC-4. The city is one hour ahead of New York, where Newark Liberty International Airport is located.

  • Give yourself enough time to make your EWR to Castries flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Travelling over a peak time like July? Public holidays and other high seasons can lead to longer lines at check-in and security. Play it safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.

  • You can book a direct Newark Liberty International Airport to Castries ticket. Start your trip at EWR and end it at St Lucia Hewnorra International Airport (UVF).

  • Keep your eyes peeled for promotions from United Airlines. This airline operates direct flights from Newark Liberty International Airport to Castries.

  • Stopovers are the perfect opportunity to take a break from travelling and maybe even explore another city. When searching for plane tickets from EWR to Castries, uncheck the 'Direct flights only' box to see where you can visit along the way. Here are some popular options to consider:

    • Atlanta Hartsfield-Jackson International Airport (ATL)

    • Charlotte Douglas International Airport (CLT)

    • Miami International Airport (MIA)

  • The journey from central New York to EWR takes around 1 hour by public transport. If you drive, ride-share or grab a taxi, you'll cover the 14 kms (9 miles) in 35 minutes or so, depending on traffic conditions.

  • Searching for a hotel near EWR? If you're catching an early flight from Newark Liberty International Airport to Castries, these stays will get you from your pillow to the plane in no time:

  • Of all flights leaving Newark Liberty International Airport, 71% touch down on time at their destination.

  • EWR is located at Building 1, Conrad Road.

How to find the cheapest flights from Newark Liberty International Airport (EWR) to Castries

  • £125 is currently the lowest price for a one-way Newark Liberty International Airport to Castries flight. A return plane ticket starts from £331. These prices can change depending on availability.

  • To score cheap flights from EWR to Castries, reserve your trip eight months ahead of your planned departure.

  • Plan your trip for January. That's the best month for scoring an awesome deal on Newark Liberty International Airport to Castries tickets. If you're open to different travel dates, use the 'Whole month' tool to access the cheapest price across every month.

  • Locking in a cheap flight from EWR to Castries is easy with Price Alerts. Simply set up one of these automatic notifications and we'll get in touch as soon as a lower fare pops up.

  • Find a cheap flight from Newark Liberty International Airport to Castries with the help of our filters. Choose your ideal times, airlines and number of stops, then sort the results by 'Cheapest' for the best deals.

Airports in Castries

St Lucia Hewnorra International Airport (UVF)

  • The distance from St Lucia Hewnorra International Airport (UVF) to central Castries is roughly 72 kms (45 miles). It takes about 1 hour 30 minutes to get to the centre driving.

  • Travelling to the centre on public transport typically takes 2 hours.

  • If you have a late flight from Newark Liberty International Airport to Castries, nothing beats the convenience of staying close to the terminal. Grab your suitcases from the carousel and then be showered and resting not long after at one of these accommodation options near UVF:

  • Get the best deal by booking your ride from St Lucia Hewnorra International Airport about one week before your flight from EWR to Castries.

Castries George F. L. Charles Airport (SLU)

  • Once your flight from Newark Liberty International Airport to Castries has hit the runway, you can get to the city centre in around 10 minutes by car. Central Castries is roughly 3 kms (2 miles) from Castries George F. L. Charles Airport (SLU).

  • Public transport will get you there in about 15 minutes.

  • Place the 'Do not disturb' sign on your door and relax at a hotel close to SLU. Here are a few options where you can kick back after your EWR to Castries flight:

  • Snap up a deal by reserving your ride from SLU one week in advance. You can also expect to have a bigger selection of vehicles.

Best time to go to Castries

  • It's time to pick your travel dates for your flight from Newark Liberty International Airport to Castries. February is the busiest month to travel to Castries. If you want a more relaxed vibe, go in September.

  • Before locking in your Newark Liberty International Airport to Castries plane ticket, think about the kind of weather you prefer. September is the warmest month in Castries, with temperatures ranging from 26ºC to 30ºC.

  • If you like travelling in cooler conditions, search for a cheap ticket from EWR to Castries in February when temperatures average between 24ºC and 28ºC.

More about Castries

  • After booking your flight from Newark Liberty International Airport to Castries, choose a hotel that puts you where you want to be. Make one of these accommodation options your base for exploring Castries:

  • Malabar Beach and Vigie Beach are just two of the big attractions to add to your Castries to-do list. Keep the adventure rolling by checking out Morne Fortune.

Plan the rest of your trip from New York to Castries

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.