What is the cheapest day to fly from Raleigh to Castries?

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

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

It’s generally more expensive to depart on a Friday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

What is the cheapest month to fly from Raleigh to Castries?

December is one of the best times of the year to fly to Castries from Raleigh. Prices for December average $756 per person but you can even find prices for as low as $479. The most expensive prices can be found in the month of November. Opting for a December flight can save you 58% on your journey compared to booking in November

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

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

How can I find direct flights from Raleigh to Castries?

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

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

Yes. Cheapflights offers flight deals from Raleigh 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.

$1,001+ Flights from Raleigh to Castries

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Cheap flight deals from Raleigh to Castries

Round-trip from	$1,001 (Mytrip)
Popular in	November
Cheapest in	December
Average price	$641

From Raleigh-Durham to Castries George F. L. Charle

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Highest demand for flights based on searches. 7% potential increase in price ($59 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($44 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Raleigh to Castries

Cheapest flights from Raleigh to Castries
Explore the most affordable flight options available from Raleigh to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Sun 7/279:10 amRDU - SLU

2 stops30h 40mMultiple Airlines

Sun 8/35:00 amSLU - RDU

3 stops35h 12mMultiple Airlines

Deal found 6/12

$1,001

Best flights from Raleigh to Castries
Discover carefully curated flight deals from Raleigh to Castries that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Sun 7/279:10 amRDU - SLU

2 stops30h 40mMultiple Airlines

Sun 8/35:00 amSLU - RDU

3 stops35h 12mMultiple Airlines

Deal found 6/12

$1,001

Last-minute flights from Raleigh to Castries
Discover last-minute flight deals from Raleigh to Castries. Data last updated June 12, 2025 and is based on user searches.

Sun 7/279:10 amRDU - SLU

2 stops30h 40mMultiple Airlines

Sun 8/35:00 amSLU - RDU

3 stops35h 12mMultiple Airlines

Deal found 6/12

$1,001

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

RaleighCastries

RDU - SLU

RDUSLU

Raleigh-Durham

Sun 7/27

9:10 am-3:50 pm

2 stops30h 40m

Castries George F. L. Charle

Sun 8/3

5:00 am-4:12 pm

3 stops35h 12m

$1,001

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Best time to book a flight from Raleigh to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Raleigh 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 Raleigh to Castries

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

Currently, August is the cheapest month in which you can book a flight from Raleigh to Castries (average of $525). Flying from Raleigh 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.

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

When flying from Raleigh to Castries, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Can I find deals for flights from Raleigh to Castries that include hotel bookings?
Yes. In addition to deals on Raleigh to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Raleigh to Castries?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Raleigh to Castries.
Can I find deals for business class flights from Raleigh to Castries?
Yes. Cheapflights offers flight deals from Raleigh 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 Raleigh to Castries?
Currently, August is the cheapest month in which you can book a flight from Raleigh to Castries (average of $525). Flying from Raleigh 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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Top airline flying from Raleigh to Castries

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$543	Average$709	FlexibilityNo cancel fee	On-time71%

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$1,001+ Cheap flights from Raleigh (RDU) to Castries (SLU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/27. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Raleigh to Castries

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Find flight deals from Raleigh to Castries

Cheapest flights from Raleigh to CastriesExplore the most affordable flight options available from Raleigh to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Raleigh to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Raleigh to Castries

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

Cheapflights Insights

Everything you need to know about your flight from Raleigh to Castries

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

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

Find hourly flight availability from Raleigh to Castries. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Related info for your journey

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

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

How can I find direct flights from Raleigh to Castries?

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

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

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Alternative routes for Raleigh to Castries

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Top airline flying from Raleigh to Castries

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Cheapest flights from Raleigh to Castries
Explore the most affordable flight options available from Raleigh to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.