What is the cheapest day to fly from Newark Airport to Castries?

Travelers seeking maximum savings on their Newark Airport to Castries flight should consider departing on Sunday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Newark Airport to Castries?

When booking a flight from Newark Airport to Castries, you may want to consider flying on American Airlines, JetBlue or United Airlines as they are the most popular for this route.

What is the cheapest day to fly round-trip from Newark Airport to Castries?

Flights from Newark Airport to Castries are found to be more expensive on Friday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Castries.

How far in advance should I book a flight from Newark Airport to Castries?

To save up to 83% on this flight, we recommend booking at least 36 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Newark Airport to Castries from $491 1-2 weeks out and tickets from $745 for flights departing within the next 72 hours.

What is the cheapest month to fly from Newark Airport to Castries?

March is one of the best times of the year to fly to Castries from Newark Airport. Prices for March average $578 per person but you can even find prices for as low as $364. The most expensive prices can be found in the month of July. Opting for a March flight can save you 50% on your journey compared to booking in July

What is the cheapest time of day to fly from EWR to SLU?

One of the essential ways to save on airfare from Newark Airport to Castries is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 27% on airfare.

What airport do you fly into for flights to Castries from Newark?

Located just 0.7 mi from the city center, Castries George F. L. Charle is the airport most travelers will use when flying to Castries from Newark. Booking flights from Newark to George F. L. Charle (SLU) should be relatively easy as there are 0 daily inbound flights from Newark from 3 different airlines.

Can I find deals for flights from Newark to Castries that include hotel bookings?

Yes. In addition to deals on Newark to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Newark to Castries?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to Castries.

Can I find deals for business class flights from Newark to Castries?

Yes. Cheapflights offers flight deals from Newark to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$309+ Flights from Newark Airport to Castries

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Cheap flight deals from Newark to Castries

Round-trip from	$759 (Mytrip)
One-way from	$309 (Mytrip)
Popular in	June
Cheapest in	November
Average price	$927
Good round-trip deal	$268 or less

From Newark to Castries George F. L. Charle

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One-way flight from Newark to Castries George F. L. Charle

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Highest demand for flights based on searches. 23% potential increase in price ($210 potential increase over avg. RT price).

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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from Newark to Castries George F. L. Charle.

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Cheapest flights from Newark to Castries
Explore the most affordable flight options available from Newark to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Sat 9/208:50 amEWR - SLU

2 stops13h 20mMultiple Airlines

Mon 9/229:10 amSLU - EWR

3 stops22h 27mMultiple Airlines

Deal found 7/28

$759

Best flights from Newark to Castries
Discover carefully curated flight deals from Newark to Castries that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Sat 9/208:50 amEWR - SLU

2 stops13h 20mMultiple Airlines

Mon 9/229:10 amSLU - EWR

3 stops22h 27mMultiple Airlines

Deal found 7/28

$759

Last-minute flights from Newark to Castries
Discover last-minute flight deals from Newark to Castries. Data last updated July 29, 2025 and is based on user searches.

Mon 8/49:00 amEWR - SLU

3 stops34h 00mMultiple Airlines

Mon 8/114:35 pmSLU - EWR

2 stops27h 55mMultiple Airlines

Deal found 7/28

$1,195

Tue 8/2611:00 pmEWR - SLU

2 stops46h 15mAir Caraïbes

Sat 9/67:30 amSLU - EWR

2 stops37h 30mAir Caraïbes

Deal found 7/27

$1,551

Wed 8/279:00 amEWR - SLU

3 stops34h 00mMultiple Airlines

Wed 9/312:35 pmSLU - EWR

3 stops19h 02mMultiple Airlines

Deal found 7/28

$828

One-way flights from Newark to Castries
Search for one-way flight options from Newark to Castries. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Thu 9/251:59 pmEWR - SLU

2 stops21h 31mMultiple Airlines

Deal found 7/28

$309

Fly from

Fly to

Route

Depart

Return

Price

NewarkCastries

EWR - SLU

EWRSLU

Newark

Sat 9/20

8:50 am-10:10 pm

2 stops13h 20m

Castries George F. L. Charle

Mon 9/22

9:10 am-7:37 am

3 stops22h 27m

$759

NewarkCastries

EWR - SLU

EWRSLU

Newark

Thu 9/25

1:59 pm-11:30 am

2 stops21h 31m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Newark to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Newark with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Newark Airport to Castries

What is the cheapest month to book a flight from Newark Airport to Castries?

Currently, August is the cheapest month in which you can book a flight from Newark Airport to Castries (average of $525). Flying from Newark Airport to Castries in July is currently the most expensive (average of $767). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

What airport do you fly into for flights to Castries from Newark?
Located just 0.7 mi from the city center, Castries George F. L. Charle is the airport most travelers will use when flying to Castries from Newark. Booking flights from Newark to George F. L. Charle (SLU) should be relatively easy as there are 0 daily inbound flights from Newark from 3 different airlines.
Can I find deals for flights from Newark to Castries that include hotel bookings?
Yes. In addition to deals on Newark to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Newark to Castries?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to Castries.
Can I find deals for business class flights from Newark to Castries?
Yes. Cheapflights offers flight deals from Newark to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Newark Airport to Castries?
Currently, August is the cheapest month in which you can book a flight from Newark Airport to Castries (average of $525). Flying from Newark Airport to Castries in July is currently the most expensive (average of $767). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Newark to Castries

John F Kennedy Intl to Castries flights

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John F Kennedy Intl to Castries flights

Newark to Castries flights

Other flights to Castries

Top 3 airlines flying from Newark to Castries

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$337	Average$848	FlexibilityNo cancel fee	On-time69%
JetBlue	Cheapest$362	Average$582	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$375	Average$752	FlexibilityNo cancel fee	On-time71%

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$309+ Cheap flights from Newark (EWR) to Castries (SLU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from Newark to CastriesExplore the most affordable flight options available from Newark to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

Explore the most affordable flight options available from Newark to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

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Use the filters below to find and compare flights from Newark Airport to Castries that are best for you.

Best time to book a flight from Newark to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Newark with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Newark Airport to Castries

What is the cheapest month to book a flight from Newark Airport to Castries?

Related info for your journey

Find useful and relevant information for your journey from Newark to Castries. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Castries from Newark?

Can I find deals for flights from Newark to Castries that include hotel bookings?

How can I find direct flights from Newark to Castries?

Can I find deals for business class flights from Newark to Castries?

What is the cheapest month to book a flight from Newark Airport to Castries?

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Alternative routes for Newark to Castries

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Top 3 airlines flying from Newark to Castries

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Cheapest flights from Newark to Castries
Explore the most affordable flight options available from Newark to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.