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Cheap flights from New York LaGuardia Airport to Castries from $343

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 3/4. 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 - 3:35 pm
LGA
-
SLU
33h 35m
2 stops
Multiple Airlines Logo
5:50 pm - 11:58 pm
SLU
-
LGA
30h 08m
2 stops
$731Multiple Airlines
Mon, Mar 9 - Thu, Mar 12
Multiple Airlines Logo
1:05 pm - 9:30 am
LGA
-
SLU
20h 25m
2 stops
Multiple Airlines Logo
4:20 pm - 12:18 pm
SLU
-
LGA
19h 58m
3 stops
$751Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
Multiple Airlines Logo
10:35 am - 9:30 am
LGA
-
SLU
22h 55m
3 stops
Multiple Airlines Logo
4:20 pm - 12:18 pm
SLU
-
LGA
19h 58m
3 stops
$755Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
Multiple Airlines Logo
2:30 pm - 1:10 pm
LGA
-
SLU
22h 40m
2 stops
Multiple Airlines Logo
6:00 pm - 10:36 pm
SLU
-
LGA
28h 36m
2 stops
$756Multiple Airlines
Wed, May 6 - Sun, May 10
Multiple Airlines Logo
2:30 pm - 1:10 pm
LGA
-
SLU
22h 40m
2 stops
Multiple Airlines Logo
6:00 pm - 2:37 pm
SLU
-
LGA
20h 37m
3 stops
$759Multiple Airlines
Wed, May 6 - Sun, May 10
Multiple Airlines Logo
11:35 am - 1:10 pm
LGA
-
SLU
25h 35m
2 stops
Multiple Airlines Logo
7:10 pm - 10:56 am
SLU
-
LGA
15h 46m
2 stops
$767Multiple Airlines
Wed, May 20 - Mon, May 25
Multiple Airlines Logo
5:45 am - 3:35 pm
LGA
-
SLU
33h 50m
2 stops
Multiple Airlines Logo
5:50 pm - 11:27 pm
SLU
-
LGA
29h 37m
2 stops
$769Multiple Airlines
Sun, Apr 19 - Thu, Apr 23
Multiple Airlines Logo
10:35 am - 1:10 pm
LGA
-
SLU
26h 35m
3 stops
Multiple Airlines Logo
7:10 pm - 10:56 am
SLU
-
LGA
15h 46m
2 stops
$771Multiple Airlines
Wed, May 20 - Mon, May 25
Multiple Airlines Logo
7:25 am - 6:25 pm
LGA
-
SLU
11h 00m
2 stops
Multiple Airlines Logo
7:10 pm - 10:56 am
SLU
-
LGA
15h 46m
2 stops
$787Multiple Airlines
Tue, May 26 - Mon, Jun 1
Multiple Airlines Logo
5:55 pm - 2:35 pm
LGA
-
SLU
20h 40m
2 stops
Multiple Airlines Logo
7:10 pm - 11:06 pm
SLU
-
LGA
27h 56m
3 stops
$800Multiple Airlines
Thu, Apr 16 - Mon, Apr 20

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 February 25, 2026.
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

Mon 3/9

6:00 am-3:35 pm

2 stops33h 35m

Castries George F. L. Charle

Thu 3/12

5:50 pm-11:58 pm

2 stops30h 08m

$731

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Tue 3/10

1:05 pm-9:30 am

2 stops20h 25m

Castries George F. L. Charle

Tue 3/17

4:20 pm-12:18 pm

3 stops19h 58m

$751

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Tue 3/10

10:35 am-9:30 am

3 stops22h 55m

Castries George F. L. Charle

Tue 3/17

4:20 pm-12:18 pm

3 stops19h 58m

$755

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Wed 5/6

2:30 pm-1:10 pm

2 stops22h 40m

Castries George F. L. Charle

Sun 5/10

6:00 pm-10:36 pm

2 stops28h 36m

$756

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Wed 5/6

2:30 pm-1:10 pm

2 stops22h 40m

Castries George F. L. Charle

Sun 5/10

6:00 pm-2:37 pm

3 stops20h 37m

$759

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Wed 5/20

11:35 am-1:10 pm

2 stops25h 35m

Castries George F. L. Charle

Mon 5/25

7:10 pm-10:56 am

2 stops15h 46m

$767

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Sun 4/19

5:45 am-3:35 pm

2 stops33h 50m

Castries George F. L. Charle

Thu 4/23

5:50 pm-11:27 pm

2 stops29h 37m

$769

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Wed 5/20

10:35 am-1:10 pm

3 stops26h 35m

Castries George F. L. Charle

Mon 5/25

7:10 pm-10:56 am

2 stops15h 46m

$771

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Tue 5/26

7:25 am-6:25 pm

2 stops11h 00m

Castries George F. L. Charle

Mon 6/1

7:10 pm-10:56 am

2 stops15h 46m

$787

New YorkCastries

LGA - SLU

LGASLU

New York LaGuardia

Thu 4/16

5:55 pm-2:35 pm

2 stops20h 40m

Castries George F. L. Charle

Mon 4/20

7:10 pm-11:06 pm

3 stops27h 56m

$800

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

12h 30m

Direct flights

None
The fastest flight from New York LaGuardia Airport to Castries takes 12h 30m
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. 12h 30m 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.

  • How do I get Price Alerts for flights from New York LaGuardia Airport to Castries?

    Price Alerts will notify you by email when the price for flights to Castries from New York LaGuardia Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from New York LaGuardia Airport to Castries with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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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