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Cheap flights from Islip, New York to Saint Lucia from $1,026

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Islip, New York to Saint Lucia departing on 1/22. 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 Islip, New York to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:00 am - 3:41 pm
ISP
-
UVF
28h 41m2 stops
Multiple Airlines Logo
5:21 pm - 11:05 am
UVF
-
ISP
18h 44m2 stops
$1,026Multiple Airlines
Thu, Jan 22 - Wed, Jan 28
Multiple Airlines Logo
10:00 am - 3:41 pm
ISP
-
UVF
28h 41m2 stops
Multiple Airlines Logo
5:21 pm - 11:05 am
UVF
-
ISP
18h 44m2 stops
$1,076Multiple Airlines
Wed, Jan 21 - Fri, Jan 30
Multiple Airlines Logo
10:00 am - 3:41 pm
ISP
-
UVF
28h 41m2 stops
Multiple Airlines Logo
2:29 pm - 11:05 am
UVF
-
ISP
21h 36m2 stops
$1,093Multiple Airlines
Sat, Jan 24 - Sat, Jan 31
Multiple Airlines Logo
10:00 am - 3:41 pm
ISP
-
UVF
28h 41m2 stops
Multiple Airlines Logo
5:21 pm - 11:05 am
UVF
-
ISP
18h 44m2 stops
$1,096Multiple Airlines
Thu, Jan 22 - Sun, Feb 1
Multiple Airlines Logo
12:30 pm - 3:20 pm
ISP
-
UVF
25h 50m1 stop
Multiple Airlines Logo
5:21 pm - 11:05 am
UVF
-
ISP
18h 44m2 stops
$1,143Multiple Airlines
Fri, Jan 23 - Fri, Jan 30
Multiple Airlines Logo
10:00 am - 3:41 pm
ISP
-
UVF
28h 41m2 stops
Multiple Airlines Logo
5:21 pm - 11:05 am
UVF
-
ISP
18h 44m2 stops
$1,146Multiple Airlines
Wed, Jan 21 - Sun, Feb 1
Multiple Airlines Logo
12:30 pm - 3:41 pm
ISP
-
UVF
26h 11m2 stops
Multiple Airlines Logo
5:21 pm - 11:05 am
UVF
-
ISP
18h 44m2 stops
$1,154Multiple Airlines
Sun, Jan 25 - Thu, Jan 29
Multiple Airlines Logo
10:00 am - 3:41 pm
ISP
-
UVF
28h 41m2 stops
Multiple Airlines Logo
5:21 pm - 11:05 am
UVF
-
ISP
18h 44m2 stops
$1,163Multiple Airlines
Sat, Jan 24 - Sun, Feb 1
Multiple Airlines Logo
12:30 pm - 3:20 pm
ISP
-
UVF
25h 50m1 stop
Multiple Airlines Logo
5:21 pm - 11:05 am
UVF
-
ISP
18h 44m2 stops
$1,213Multiple Airlines
Fri, Jan 23 - Sun, Feb 1
Multiple Airlines Logo
9:59 am - 3:41 pm
ISP
-
UVF
28h 42m2 stops
Multiple Airlines Logo
5:21 pm - 11:05 am
UVF
-
ISP
18h 44m2 stops
$1,224Multiple Airlines
Sun, Jan 25 - Sun, Feb 1

momondo Fare Finder

 
Customize your flight search to find flights from Islip, New York to Saint Lucia 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 19, 2025.
Use the filters below to find and compare flights from Islip, New York to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipCastries

ISP - UVF

ISPUVF

Islip Long Island

Thu 1/22

10:00 am-3:41 pm

2 stops28h 41m

Castries Hewanorra

Wed 1/28

5:21 pm-11:05 am

2 stops18h 44m

$1,026

IslipCastries

ISP - UVF

ISPUVF

Islip Long Island

Wed 1/21

10:00 am-3:41 pm

2 stops28h 41m

Castries Hewanorra

Fri 1/30

5:21 pm-11:05 am

2 stops18h 44m

$1,076

IslipCastries

ISP - UVF

ISPUVF

Islip Long Island

Sat 1/24

10:00 am-3:41 pm

2 stops28h 41m

Castries Hewanorra

Sat 1/31

2:29 pm-11:05 am

2 stops21h 36m

$1,093

IslipCastries

ISP - UVF

ISPUVF

Islip Long Island

Thu 1/22

10:00 am-3:41 pm

2 stops28h 41m

Castries Hewanorra

Sun 2/1

5:21 pm-11:05 am

2 stops18h 44m

$1,096

IslipCastries

ISP - UVF

ISPUVF

Islip Long Island

Fri 1/23

12:30 pm-3:20 pm

1 stop25h 50m

Castries Hewanorra

Fri 1/30

5:21 pm-11:05 am

2 stops18h 44m

$1,143

IslipCastries

ISP - UVF

ISPUVF

Islip Long Island

Wed 1/21

10:00 am-3:41 pm

2 stops28h 41m

Castries Hewanorra

Sun 2/1

5:21 pm-11:05 am

2 stops18h 44m

$1,146

IslipCastries

ISP - UVF

ISPUVF

Islip Long Island

Sun 1/25

12:30 pm-3:41 pm

2 stops26h 11m

Castries Hewanorra

Thu 1/29

5:21 pm-11:05 am

2 stops18h 44m

$1,154

IslipCastries

ISP - UVF

ISPUVF

Islip Long Island

Sat 1/24

10:00 am-3:41 pm

2 stops28h 41m

Castries Hewanorra

Sun 2/1

5:21 pm-11:05 am

2 stops18h 44m

$1,163

IslipCastries

ISP - UVF

ISPUVF

Islip Long Island

Fri 1/23

12:30 pm-3:20 pm

1 stop25h 50m

Castries Hewanorra

Sun 2/1

5:21 pm-11:05 am

2 stops18h 44m

$1,213

IslipCastries

ISP - UVF

ISPUVF

Islip Long Island

Sun 1/25

9:59 am-3:41 pm

2 stops28h 42m

Castries Hewanorra

Sun 2/1

5:21 pm-11:05 am

2 stops18h 44m

$1,224

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Saint Lucia from

How to get the cheapest flight ticket from Islip, New York to Saint Lucia

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 airlines fly to Saint Lucia?

JetBlue, American Airlines and United Airlines are the top three most popular airlines that fly to Saint Lucia from Islip, New York according to our data. JetBlue is the first choice among our users, with 78% of people opting to fly with this airline when traveling to Saint Lucia. Keep in mind that there are 5 different airlines that fly to Saint Lucia on a routine basis, so you have a few additional options to choose from.

Cheap Islip, New York to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Saint Lucia

Fastest flight time

24h 29m

Direct flights

None
The fastest flight from Islip, New York to Saint Lucia takes 24h 29m
There are no direct flights from Islip, New York to Saint Lucia. There are no popular flight routes from Islip, New York to Saint Lucia.
Search flight deals

  • When did momondo last update prices for flights from Islip Long Island Airport to Saint Lucia?

    Prices for flights from Islip Long Island Airport to Saint Lucia are refreshed on a daily basis.

  • How old do you have to be to fly from Islip Long Island Airport to Saint Lucia?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Saint Lucia.

  • What documentation or ID do you need to fly to Saint Lucia?

    The necessary travel and health documents for your Saint Lucia 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.

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Saint Lucia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Islip to Saint Lucia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Islip to Saint Lucia with flexible booking policies on momondo?

All flight searches from Islip to Saint Lucia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Islip to Saint Lucia?

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 Islip to Saint Lucia.

I’m not ready to book a flight from Islip to Saint Lucia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Islip to Saint Lucia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Sun 1/18
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