What airlines fly to United States?

United Airlines, Delta and JetBlue are the top three most popular airlines that fly to United States from Islip, New York according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 13 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

How many flights depart from Islip, New York to United States on average per day?

As of February 2026, 10 flights take off from Islip, New York and land in United States each day. The most common flight departure time for this route is 9:00AM, with 82% of daily flights taking off at noon.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

What is the most punctual flight time for Islip to the United States flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

How many flights depart from Islip, New York to United States on average per week?

As of February 2026, 74 flights take off from Islip, New York and land in United States each week. The most common flight departure day for this route is Thu, with 19% of weekly flights taking off on this day.

What is the cheapest airline that flies from Islip Long Island to United States?

Frontier, Breeze Airways, and Southwest are the most popular carriers operating from Islip Long Island to United States

How often are flights from Islip to the United States delayed?

Historically, on average around 11% of flights between Islip and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 16 minutes.

When did momondo last update prices for flights from Islip Long Island Airport to United States?

Prices for flights from Islip Long Island Airport to United States were last updated today.

How many operators does momondo search for flights from Islip Long Island Airport to United States?

As of February 2026, there are 7 operators available to choose from for flights from Islip Long Island Airport to United States.

How old do you have to be to fly from Islip Long Island Airport to United States?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to United States.

What documentation or ID do you need to fly to United States?

The travel and health documents you'll need for your trip to United States 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 United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$27 Cheap Flights from Islip to the United States in 2026

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Find the cheapest flights from Islip, New York to the United States

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:59 pm - 7:03 pm

ISP

MCO

3h 04mnonstop

7:05 am - 1:31 pm

MCO

ISP

6h 26m

1 stop

$100Multiple Airlines

Mon, Feb 23 - Fri, Feb 27

12:01 pm - 3:00 pm

ISP

MCO

2h 59mnonstop

6:10 am - 8:47 am

MCO

ISP

2h 37mnonstop

$102Multiple Airlines

Sat, Feb 28 - Tue, Mar 3

9:33 am - 12:37 pm

ISP

MCO

3h 04mnonstop

5:01 am - 7:38 am

MCO

ISP

2h 37mnonstop

$103Frontier

Wed, Feb 25 - Fri, Feb 27

3:34 pm - 6:38 pm

ISP

MCO

3h 04mnonstop

1:31 pm - 4:13 pm

MCO

ISP

2h 42mnonstop

$104Frontier

Thu, Mar 5 - Thu, Mar 12

8:33 am - 11:41 am

ISP

MCO

3h 08mnonstop

6:10 am - 8:47 am

MCO

ISP

2h 37mnonstop

$105Multiple Airlines

Sun, Mar 1 - Wed, Mar 4

11:50 am - 4:11 pm

ISP

TPA

4h 21m

1 stop

7:00 am - 11:10 am

TPA

ISP

4h 10m

1 stop

$113Breeze Airways

Sat, Feb 21 - Sat, Feb 28

11:50 am - 4:11 pm

ISP

TPA

4h 21m

1 stop

7:00 am - 11:10 am

TPA

ISP

4h 10m

1 stop

$116Breeze Airways

Wed, Feb 25 - Sat, Feb 28

6:37 am - 9:40 am

ISP

RSW

3h 03mnonstop

11:28 am - 2:09 pm

RSW

ISP

2h 41mnonstop

$166JetBlue

Sun, Mar 22 - Fri, Mar 27

5:45 am - 10:50 am

ISP

BOS

5h 05m

1 stop

4:45 pm - 11:35 pm

BOS

ISP

6h 50m

1 stop

$327Southwest

Tue, Mar 31 - Sat, Apr 4

6:05 am - 9:55 am

ISP

BOS

3h 50m

1 stop

8:45 am - 4:30 pm

BOS

ISP

7h 45m

1 stop

$332Southwest

Sun, May 17 - Thu, May 21

Cape Air flights from Islip, New York to United States

Our best Cape Air deals on Islip, New York to United States flight tickets

Cape Air

Mar 8

ISP9:59 amIslip Long Island

1h 25m

BOS11:24 amBoston Logan Intl

Mar 10

BOS5:18 pmBoston Logan Intl

1h 26m

ISP6:44 pmIslip Long Island

$497

Cape Air

Feb 16

ISP9:59 amIslip Long Island

1h 25m

BOS11:24 amBoston Logan Intl

Feb 18

BOS5:18 pmBoston Logan Intl

1h 26m

ISP6:44 pmIslip Long Island

$506

Cape Air

Feb 12

ISP9:59 amIslip Long Island

1h 25m

BOS11:24 amBoston Logan Intl

Feb 13

BOS5:18 pmBoston Logan Intl

1h 26m

ISP6:44 pmIslip Long Island

$507

Frontier flights from Islip, New York to United States

Our best Frontier deals on Islip, New York to United States flight tickets

Frontier

Feb 25

ISP9:33 amIslip Long Island

3h 04m

MCO12:37 pmOrlando

Feb 27

MCO5:01 amOrlando

2h 37m

ISP7:38 amIslip Long Island

$103

Frontier

Mar 5

ISP3:34 pmIslip Long Island

3h 04m

MCO6:38 pmOrlando

Mar 12

MCO1:31 pmOrlando

2h 42m

ISP4:13 pmIslip Long Island

$104

Frontier

Feb 26

ISP3:34 pmIslip Long Island

3h 04m

MCO6:38 pmOrlando

Mar 2

MCO5:01 amOrlando

2h 37m

ISP7:38 amIslip Long Island

$109

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

IslipOrlando

ISP - MCO

ISPMCO

Islip Long Island

Mon 2/23

3:59 pm-7:03 pm

Nonstop3h 04m

Orlando

Fri 2/27

7:05 am-1:31 pm

1 stop6h 26m

$100

IslipOrlando

ISP - MCO

ISPMCO

Islip Long Island

Sat 2/28

12:01 pm-3:00 pm

Nonstop2h 59m

Orlando

Tue 3/3

6:10 am-8:47 am

Nonstop2h 37m

$102

IslipOrlando

ISP - MCO

ISPMCO

Islip Long Island

Wed 2/25

9:33 am-12:37 pm

Nonstop3h 04m

Orlando

Fri 2/27

5:01 am-7:38 am

Nonstop2h 37m

$103

IslipOrlando

ISP - MCO

ISPMCO

Islip Long Island

Thu 3/5

3:34 pm-6:38 pm

Nonstop3h 04m

Orlando

Thu 3/12

1:31 pm-4:13 pm

Nonstop2h 42m

$104

IslipOrlando

ISP - MCO

ISPMCO

Islip Long Island

Sun 3/1

8:33 am-11:41 am

Nonstop3h 08m

Orlando

Wed 3/4

6:10 am-8:47 am

Nonstop2h 37m

$105

IslipTampa

ISP - TPA

ISPTPA

Islip Long Island

Sat 2/21

11:50 am-4:11 pm

1 stop4h 21m

Tampa

Sat 2/28

7:00 am-11:10 am

1 stop4h 10m

$113

IslipTampa

ISP - TPA

ISPTPA

Islip Long Island

Wed 2/25

11:50 am-4:11 pm

1 stop4h 21m

Tampa

Sat 2/28

7:00 am-11:10 am

1 stop4h 10m

$116

IslipFort Myers

ISP - RSW

ISPRSW

Islip Long Island

Sun 3/22

6:37 am-9:40 am

Nonstop3h 03m

Fort Myers SW Florida Intl

Fri 3/27

11:28 am-2:09 pm

Nonstop2h 41m

$166

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Tue 3/31

5:45 am-10:50 am

1 stop5h 05m

Boston Logan Intl

Sat 4/4

4:45 pm-11:35 pm

1 stop6h 50m

$327

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Sun 5/17

6:05 am-9:55 am

1 stop3h 50m

Boston Logan Intl

Thu 5/21

8:45 am-4:30 pm

1 stop7h 45m

$332

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Islip, New York to United States

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

Delays

Other information

What is the cheapest Islip Long Island to United States flight route?

Fly from Islip Long Island to Orlando for the best Islip Long Island - United States flight prices

What cabin class options are available on Islip Long Island to United States flights?

There are 2 cabin classes available to choose from on Islip Long Island to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Islip, New York to United States flights?

No. A direct flight is the cheapest option for a flight between Islip, New York to United States.

Cheap Islip, New York to United States flight deals and tips

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

Best Price Found	$54
Fastest flight time	1h 15m
Direct flights	Every day
Airports in United States	4,296 airports

The best one-way flight to United States from Islip, New York in the past 72 hours is $54. The best round-trip flight deal from Islip, New York to United States found on momondo in the last 72 hours is $58.

The fastest flight from Islip, New York to United States takes 1h 15m

Direct flights go from Islip, New York to United States every day.

There are 4,296 airports in United States. From Islip, New York there are direct flights to Tampa (TPA), Palm Beach Intl (PBI), Boston Logan Intl (BOS), Fort Lauderdale (FLL) and 1 more.

Search flight deals

When did momondo last update prices for flights from Islip Long Island Airport to United States?
Prices for flights from Islip Long Island Airport to United States were last updated today.
How many operators does momondo search for flights from Islip Long Island Airport to United States?
As of February 2026, there are 7 operators available to choose from for flights from Islip Long Island Airport to United States.
How old do you have to be to fly from Islip Long Island Airport to United States?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to United States.
What documentation or ID do you need to fly to United States?
The travel and health documents you'll need for your trip to United States 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 United States. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Islip, New York to United States?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Islip, New York to United States is Airbus A320-100/200 (22.96% of total bookings). The next most popular plane models are Airbus A321neo (11.59%), Airbus A320neo (11.47%), and Airbus A220-300 (7.90%).

Best airlines flying from Islip, New York to United States

Compare and see reviews for airlines that fly from Islip, New York to United States with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $31	Free Cancellation	Rating 6.3 8,418 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $35	Free Cancellation	Rating 5.7 3,052 reviews	Search Frontier flights
JetBlue	PriceFrom $81	Free Cancellation	Rating 7.2 2,893 reviews	Search JetBlue flights
Southwest	PriceFrom $147	Free Cancellation	Rating 8.0 4,275 reviews	Search Southwest flights
Cape Air	PriceFrom $475	Free Cancellation	Rating 9.3 36 reviews	Search Cape Air flights

Why use momondo?

Why should I use momondo to find a flight deal from Islip to United States?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Islip to United States. momondo saves you time and could save you money on your trip.

Can I find flights from Islip to United States with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Islip to United States flights to just show those with flexible booking policies.

How can momondo help me find flights from Islip to United States?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to United States from Islip.

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

If you are not ready to book a flight from Islip to United States now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to United States and let you know when they change.

An easier way to manage your United States trip

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Popular cities in the United States

Flights to New Yorkfrom $49

Flights to Los Angelesfrom $46

Flights to Miamifrom $27

Flights to Chicagofrom $50

Flights to Orlandofrom $50

Flights to San Franciscofrom $54

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $51

Flights to Bostonfrom $50

Flights to Atlantafrom $49

Flights to Dallasfrom $49

Flights to Seattlefrom $83

Cheap flights from Islip, New York to the United States from $27

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Cheap round-trip flights

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Cape Air flights from Islip, New York to United States

Our best Cape Air deals on Islip, New York to United States flight tickets

Frontier flights from Islip, New York to United States

Our best Frontier deals on Islip, New York to United States flight tickets

momondo Fare Finder

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

See travel insights to the United States from

How to get the cheapest flight ticket from Islip, New York to United States

What is the cheapest Islip Long Island to United States flight route?

Fly from Islip Long Island to Orlando for the best Islip Long Island - United States flight prices

What cabin class options are available on Islip Long Island to United States flights?

There are 2 cabin classes available to choose from on Islip Long Island to United States flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Islip, New York to United States flights?

No. A direct flight is the cheapest option for a flight between Islip, New York to United States.

What is the cheapest airline that flies from Islip Long Island to United States?

Frontier, Breeze Airways, and Southwest are the most popular carriers operating from Islip Long Island to United States

What airlines fly to United States?

How often are flights from Islip to the United States delayed?

Historically, on average around 11% of flights between Islip and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 16 minutes.

What is the most punctual flight time for Islip to the United States flights?

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Wednesday has historically seen more delays on average compared to the rest of the week.

How many flights depart from Islip, New York to United States on average per day?

As of February 2026, 10 flights take off from Islip, New York and land in United States each day. The most common flight departure time for this route is 9:00AM, with 82% of daily flights taking off at noon.

How many flights depart from Islip, New York to United States on average per week?

As of February 2026, 74 flights take off from Islip, New York and land in United States each week. The most common flight departure day for this route is Thu, with 19% of weekly flights taking off on this day.

Cheap Islip, New York to United States flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in United States

When did momondo last update prices for flights from Islip Long Island Airport to United States?

How many operators does momondo search for flights from Islip Long Island Airport to United States?

How old do you have to be to fly from Islip Long Island Airport to United States?

What documentation or ID do you need to fly to United States?

What is the most popular plane model from Islip, New York to United States?

Best airlines flying from Islip, New York to United States

Compare and see reviews for airlines that fly from Islip, New York to United States with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Islip to United States?

Can I find flights from Islip to United States with flexible booking policies on momondo?

How can momondo help me find flights from Islip to United States?

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

An easier way to manage your United States 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 the United States

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Islip, New York flight routes

According to popular flight searches on momondo this year

United States flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to the United States

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

Cabin classes currently available on flights to the United States

List of cabin classes available on flights landing in the United States. Availability may vary depending on flight origin and airline.

Complete your trip to the United States

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According to popular flight searches on momondo this year