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Cheap flights from New York LaGuardia Airport to Castries from $293

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to Castries departing on 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from New York LaGuardia Airport to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 3:15 pm
LGA
-
SLU
32h 15m2 stops
Multiple Airlines Logo
5:00 am - 11:48 pm
SLU
-
LGA
19h 48m2 stops
$878Multiple Airlines
Thu, Feb 26 - Sun, Mar 1
Multiple Airlines Logo
6:45 pm - 1:10 pm
LGA
-
SLU
18h 25m2 stops
Multiple Airlines Logo
5:00 am - 10:33 pm
SLU
-
LGA
17h 33m2 stops
$3,430Multiple Airlines
Wed, Mar 11 - Sun, Mar 15

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport to Castries that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 27, 2025.
Use the filters below to find and compare flights from New York LaGuardia Airport to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Thu 2/26

6:00 am-3:15 pm

2 stops32h 15m

Castries George F. L. Charle

Sun 3/1

5:00 am-11:48 pm

2 stops19h 48m

$878

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Wed 3/11

6:45 pm-1:10 pm

2 stops18h 25m

Castries George F. L. Charle

Sun 3/15

5:00 am-10:33 pm

2 stops17h 33m

$3,430

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Tue 1/20

8:43 pm-1:10 pm

2 stops39h 27m

$293

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Sat 1/24

8:00 pm-3:35 pm

2 stops42h 35m

$320

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Thu 1/15

6:00 am-3:15 pm

2 stops32h 15m

$337

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Thu 1/15

8:30 pm-1:10 pm

3 stops39h 40m

$338

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Sat 1/10

8:39 pm-3:35 pm

2 stops41h 56m

$340

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Sat 1/10

8:59 pm-3:35 pm

3 stops41h 36m

$399

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Mon 2/2

8:39 pm-9:30 am

2 stops35h 51m

$420

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Tue 1/20

12:59 pm-7:00 pm

3 stops29h 01m

$428

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Castries from

How to get the cheapest flight ticket from New York LaGuardia Airport to Castries

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Castries?

The cheapest day to depart from New York LaGuardia Airport to Castries is on a Tuesday when prices can be found for as low as $538. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $631. These prices are subject to change though, so be sure to set up a Price Alert for flights to Castries.

What is the cheapest time of day to depart on your flight to Castries?

According to our data, the cheapest time of day to fly to Castries is in the morning. momondo users have found flights departing from New York LaGuardia Airport to Castries in the morning for as low as $580. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Castries are more costly in the evening, with an average ticket price of $685. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from New York LaGuardia Airport to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from New York LaGuardia Airport to Castries according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap New York LaGuardia Airport to Castries (LGA to SLU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to Castries

Fastest flight time

17h 25m

Direct flights

None
The fastest flight from New York LaGuardia Airport to Castries takes 17h 25m
There are no direct flights from New York LaGuardia Airport to Castries. There are no popular flight routes from New York LaGuardia Airport to Castries.
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  • How far is New York LaGuardia to Castries George F. L. Charle by plane?

    There are 2004.4 mi between New York LaGuardia and Castries George F. L. Charle. 17h 25m is a normal flight duration for this route.

  • When did momondo last update prices for flights from New York LaGuardia Airport to Castries George F. L. Charle Airport?

    Prices for flights from New York LaGuardia Airport to Castries George F. L. Charle Airport refresh daily.

  • How old do you have to be to fly from New York LaGuardia Airport to Castries George F. L. Charle Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New York LaGuardia Airport to Castries George F. L. Charle Airport.

  • What documentation or ID do you need to fly to Castries George F. L. Charle Airport?

    The necessary travel and health documents for your Castries George F. L. Charle Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Gros Islet
Rodney Bay
Marigot Bay

Why use momondo?

Why should I use momondo to find a flight deal from New York to Castries?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from New York to Castries for you.

Can I find flights from New York to Castries with flexible booking policies on momondo?

All flight searches from New York to Castries on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from New York to Castries?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from New York to Castries.

I’m not ready to book a flight from New York to Castries right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Castries from New York. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Mon 1/26
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