What airlines fly to Simpson Bay?

JetBlue, United Airlines and Delta are the top three most popular airlines that fly to Simpson Bay from Islip, New York according to our data. JetBlue is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Simpson Bay. Keep in mind that there are 7 different airlines that fly to Simpson Bay on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Islip Long Island Airport to Simpson Bay Princess Juliana Airport?

Prices for flights from Islip Long Island Airport to Simpson Bay Princess Juliana Airport were last updated today.

How old do you have to be to fly from Islip Long Island Airport to Simpson Bay Princess Juliana Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Simpson Bay Princess Juliana Airport.

What documentation or ID do you need to fly to Simpson Bay Princess Juliana Airport?

The travel and health documents you'll need for your trip to Simpson Bay Princess Juliana Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Simpson Bay Princess Juliana Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$447 Cheap Flights from Islip to Simpson Bay in 2025/26

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4:28 pm - 2:15 pm

ISP

SXM

20h 47m1 stop

4:20 pm - 8:09 pm

SXM

ISP

52h 49m2 stops

$447Multiple Airlines

Sun, Jan 4 - Wed, Jan 14

7:40 pm - 3:20 pm

ISP

SXM

18h 40m1 stop

4:20 pm - 11:33 am

SXM

ISP

20h 13m1 stop

$516JetBlue

Sun, Jan 4 - Wed, Jan 14

12:25 pm - 2:15 pm

ISP

SXM

24h 50m1 stop

3:20 pm - 10:02 am

SXM

ISP

19h 42m1 stop

$783Multiple Airlines

Wed, Feb 4 - Wed, Feb 18

momondo Fare Finder

Use the filters below to find and compare flights from Islip, New York to Simpson Bay that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

IslipSimpson Bay

ISP - SXM

ISPSXM

Islip Long Island

Sun 1/4

4:28 pm-2:15 pm

1 stop20h 47m

Simpson Bay Princess Juliana

Wed 1/14

4:20 pm-8:09 pm

2 stops52h 49m

$447

IslipSimpson Bay

ISP - SXM

ISPSXM

Islip Long Island

Sun 1/4

7:40 pm-3:20 pm

1 stop18h 40m

Simpson Bay Princess Juliana

Wed 1/14

4:20 pm-11:33 am

1 stop20h 13m

$516

IslipSimpson Bay

ISP - SXM

ISPSXM

Islip Long Island

Wed 2/4

12:25 pm-2:15 pm

1 stop24h 50m

Simpson Bay Princess Juliana

Wed 2/18

3:20 pm-10:02 am

1 stop19h 42m

$783

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Sorted by cheapest first

How to get the cheapest flight ticket from Islip, New York to Simpson Bay

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

Prices

Airlines

What is the cheapest day to depart on your flight to Simpson Bay?

Our data shows that Monday is the least expensive day to fly to Simpson Bay. Tickets to fly out on this day can be as low as $463. Flights from Islip, New York to Simpson Bay on a Thursday will generally be more expensive and average around $586. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Simpson Bay is in the afternoon. momondo users have found flights departing from Islip, New York to Simpson Bay in the afternoon for as low as $344. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Simpson Bay is in the evening when prices are around $530.

When to book flights from Islip, New York to Simpson Bay

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Simpson Bay according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Islip, New York to Simpson Bay (ISP to SXM) flight deals and tips

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

Fastest flight time	20h 47m
Direct flights	None

The fastest flight from Islip, New York to Simpson Bay takes 20h 47m

There are no direct flights from Islip, New York to Simpson Bay. There are no popular flight routes from Islip, New York to Simpson Bay.

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How far is Islip Long Island to Simpson Bay Princess Juliana by plane?
A flight from Islip Long Island to Simpson Bay Princess Juliana will travel around 1677.4 mi. Typically, this will take 20h 47m by plane in normal conditions.
When did momondo last update prices for flights from Islip Long Island Airport to Simpson Bay Princess Juliana Airport?
Prices for flights from Islip Long Island Airport to Simpson Bay Princess Juliana Airport were last updated today.
How old do you have to be to fly from Islip Long Island Airport to Simpson Bay Princess Juliana Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Simpson Bay Princess Juliana Airport.
What documentation or ID do you need to fly to Simpson Bay Princess Juliana Airport?
The travel and health documents you'll need for your trip to Simpson Bay Princess Juliana Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Simpson Bay Princess Juliana Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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Why should I use momondo to find a flight deal from Islip to Simpson Bay?

Finding the right flight to Simpson Bay from Islip is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Simpson Bay quick and easy, saving you time and money.

Can I find flights from Islip to Simpson Bay with flexible booking policies on momondo?

Flights from Islip to Simpson Bay with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Islip to Simpson Bay?

momondo helps you find the best flight between Islip and Simpson Bay by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Islip to Simpson Bay 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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Cheap flights from Islip, New York to Simpson Bay from $447

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 Simpson Bay departing on 1/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Islip, New York to Simpson Bay

What is the cheapest day to depart on your flight to Simpson Bay?

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

What airlines fly to Simpson Bay?

When to book flights from Islip, New York to Simpson Bay

Cheap Islip, New York to Simpson Bay (ISP to SXM) flight deals and tips

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

Fastest flight time

Direct flights

How far is Islip Long Island to Simpson Bay Princess Juliana by plane?

When did momondo last update prices for flights from Islip Long Island Airport to Simpson Bay Princess Juliana Airport?

How old do you have to be to fly from Islip Long Island Airport to Simpson Bay Princess Juliana Airport?

What documentation or ID do you need to fly to Simpson Bay Princess Juliana Airport?

Traveling to a place near Simpson Bay?

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Simpson Bay?

Can I find flights from Islip to Simpson Bay with flexible booking policies on momondo?

How can momondo help me find flights from Islip to Simpson Bay?

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

An easier way to manage your Simpson Bay trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to St. Maarten

Fly your favorite airline to Simpson Bay

Airlines are sorted and displayed according to clicks in the past 7 days on momondo