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 December 2025, 11 flights take off from Islip, New York and land in United States each day. The most common flight departure time for this route is 7:00AM, with 62% of daily flights taking off at noon.

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

Frontier, Southwest, and JetBlue 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 10% 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 15 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.

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

As of December 2025, 78 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 24% of weekly flights taking off on this day.

What airlines fly to United States?

United Airlines, Delta and Spirit Airlines 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 30% 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.

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 December 2025, 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.

$28 Cheap Flights from Islip to the United States in 2025/26

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

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Cheap round-trip flights

Enter your travel dates to find the best prices.

7:43 pm - 10:44 pm

ISP

MCO

3h 01mnonstop

6:15 am - 8:52 am

MCO

ISP

2h 37mnonstop

$68Multiple Airlines

Thu, Jan 22 - Sat, Jan 31

8:54 pm - 11:58 pm

ISP

MCO

3h 04mnonstop

4:00 pm - 6:48 pm

MCO

ISP

2h 48mnonstop

$69Frontier

Mon, Jan 19 - Thu, Jan 22

8:40 pm - 11:44 pm

ISP

MCO

3h 04mnonstop

8:08 pm - 10:46 pm

MCO

ISP

2h 38mnonstop

$70Frontier

Thu, Jan 8 - Wed, Jan 14

12:00 pm - 3:13 pm

ISP

TPA

3h 13mnonstop

3:04 pm - 5:52 pm

TPA

ISP

2h 48mnonstop

$74Frontier

Tue, Jan 6 - Sat, Jan 17

11:55 am - 4:15 pm

ISP

TPA

4h 20m1 stop

7:15 am - 11:15 am

TPA

ISP

4h 00m1 stop

$86Breeze Airways

Sun, Jan 25 - Thu, Jan 29

11:55 am - 4:15 pm

ISP

TPA

4h 20m1 stop

7:00 am - 11:10 am

TPA

ISP

4h 10m1 stop

$89Breeze Airways

Sun, Jan 25 - Wed, Jan 28

11:05 am - 2:10 pm

ISP

RSW

3h 05mnonstop

12:40 pm - 3:21 pm

RSW

ISP

2h 41mnonstop

$115JetBlue

Tue, Jan 13 - Wed, Jan 21

4:16 pm - 7:16 pm

ISP

RSW

3h 00mnonstop

12:40 pm - 3:21 pm

RSW

ISP

2h 41mnonstop

$117JetBlue

Mon, Jan 19 - Sat, Jan 24

6:00 am - 12:25 pm

ISP

BOS

6h 25m1 stop

5:50 pm - 9:55 pm

BOS

ISP

4h 05m1 stop

$347Southwest

Tue, Jan 20 - Tue, Jan 20

3:45 pm - 10:05 pm

ISP

BOS

6h 20m1 stop

5:50 am - 11:55 am

BOS

ISP

6h 05m1 stop

$367Southwest

Fri, Jan 9 - Sun, Jan 11

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

Dec 19

ISP9:59 amIslip Long Island

1h 25m

BOS11:24 amBoston Logan Intl

Dec 21

BOS9:30 amBoston Logan Intl

1h 35m

ISP11:05 amIslip Long Island

$499

Find similar

Cape Air

Jan 20

ISP9:59 amIslip Long Island

1h 25m

BOS11:24 amBoston Logan Intl

Jan 20

BOS2:34 pmBoston Logan Intl

1h 36m

ISP4:10 pmIslip Long Island

$502

Find similar

Cape Air

Dec 29

ISP12:30 pmIslip Long Island

1h 34m

BOS2:04 pmBoston Logan Intl

Dec 31

BOS2:34 pmBoston Logan Intl

1h 36m

ISP4:10 pmIslip Long Island

$505

Find similar

Frontier flights from Islip, New York to United States

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

Frontier

Jan 19

ISP8:54 pmIslip Long Island

3h 04m

MCO11:58 pmOrlando

Jan 22

MCO4:00 pmOrlando

2h 48m

ISP6:48 pmIslip Long Island

$69

Find similar

Frontier

Jan 8

ISP8:40 pmIslip Long Island

3h 04m

MCO11:44 pmOrlando

Jan 14

MCO8:08 pmOrlando

2h 38m

ISP10:46 pmIslip Long Island

$70

Find similar

Frontier

Jan 6

ISP12:00 pmIslip Long Island

3h 13m

TPA3:13 pmTampa

Jan 17

TPA3:04 pmTampa

2h 48m

ISP5:52 pmIslip Long Island

$74

Find similar

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

Thu 1/22

7:43 pm-10:44 pm

Nonstop3h 01m

Orlando

Sat 1/31

6:15 am-8:52 am

Nonstop2h 37m

$68

IslipOrlando

ISP - MCO

ISPMCO

Islip Long Island

Mon 1/19

8:54 pm-11:58 pm

Nonstop3h 04m

Orlando

Thu 1/22

4:00 pm-6:48 pm

Nonstop2h 48m

$69

IslipOrlando

ISP - MCO

ISPMCO

Islip Long Island

Thu 1/8

8:40 pm-11:44 pm

Nonstop3h 04m

Orlando

Wed 1/14

8:08 pm-10:46 pm

Nonstop2h 38m

$70

IslipTampa

ISP - TPA

ISPTPA

Islip Long Island

Tue 1/6

12:00 pm-3:13 pm

Nonstop3h 13m

Tampa

Sat 1/17

3:04 pm-5:52 pm

Nonstop2h 48m

$74

IslipTampa

ISP - TPA

ISPTPA

Islip Long Island

Sun 1/25

11:55 am-4:15 pm

1 stop4h 20m

Tampa

Thu 1/29

7:15 am-11:15 am

1 stop4h 00m

$86

IslipTampa

ISP - TPA

ISPTPA

Islip Long Island

Sun 1/25

11:55 am-4:15 pm

1 stop4h 20m

Tampa

Wed 1/28

7:00 am-11:10 am

1 stop4h 10m

$89

IslipFort Myers

ISP - RSW

ISPRSW

Islip Long Island

Tue 1/13

11:05 am-2:10 pm

Nonstop3h 05m

Fort Myers SW Florida Intl

Wed 1/21

12:40 pm-3:21 pm

Nonstop2h 41m

$115

IslipFort Myers

ISP - RSW

ISPRSW

Islip Long Island

Mon 1/19

4:16 pm-7:16 pm

Nonstop3h 00m

Fort Myers SW Florida Intl

Sat 1/24

12:40 pm-3:21 pm

Nonstop2h 41m

$117

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Tue 1/20

6:00 am-12:25 pm

1 stop6h 25m

Boston Logan Intl

Tue 1/20

5:50 pm-9:55 pm

1 stop4h 05m

$347

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Fri 1/9

3:45 pm-10:05 pm

1 stop6h 20m

Boston Logan Intl

Sun 1/11

5:50 am-11:55 am

1 stop6h 05m

$367

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 is only 1 cabin class 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	$41
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 $41. The best round-trip flight deal from Islip, New York to United States found on momondo in the last 72 hours is $59.

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 December 2025, 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 (20.45% of total bookings). The next most popular plane models are Airbus A321neo (13.31%), Airbus A320neo (10.11%), and Boeing 737-800 Passenger/BBJ2 (winglets) (8.67%).

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
Frontier	PriceFrom $41	Free Cancellation	Rating 5.8 3,080 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $69	Free Cancellation	Rating 6.3 8,189 reviews	Search Spirit Airlines flights
JetBlue	PriceFrom $94	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
Southwest	PriceFrom $156	Free Cancellation	Rating 7.9 4,252 reviews	Search Southwest flights
Cape Air	PriceFrom $497	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.

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Flights to Orlandofrom $40

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Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $57

Flights to Bostonfrom $51

Flights to Atlantafrom $46

Flights to Dallasfrom $57

Flights to Seattlefrom $58

Cheap flights from Islip, New York to the United States from $29

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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

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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 is only 1 cabin class 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, Southwest, and JetBlue 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 10% 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 15 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 December 2025, 11 flights take off from Islip, New York and land in United States each day. The most common flight departure time for this route is 7:00AM, with 62% of daily flights taking off at noon.

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

As of December 2025, 78 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 24% 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