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 morning have, in the past, seen delays more frequently in comparison.

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

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

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

As of August 2026, 45 flights take off from Islip, New York and land in United States each week. The most common flight departure day for this route is Wed, with 31% of weekly flights taking off on this day.

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

As of August 2026, 6 flights take off from Islip, New York and land in United States each day. The most common flight departure time for this route is 10:00AM, with 59% 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 airlines fly to United States?

United Airlines, JetBlue and Delta 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 38% of people opting to fly with this airline when traveling to United States. Keep in mind that there are 12 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

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

Historically, on average around 22% 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 24 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 August 2026, there are 5 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.

$51 Cheap Flights from Islip, New York to the United States in 2026

Discover deals from 900+ travel sites with momondo.

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.

12:00 pm - 1:44 pmISP Islip Long Island-RDU Raleigh-Durham

1h 44mnonstop

9:48 am - 11:20 amRDU Raleigh-Durham-ISP Islip Long Island

1h 32mnonstop

$97Breeze Airways

Sat, Sep 26 - Wed, Sep 30

12:00 pm - 1:44 pmISP Islip Long Island-RDU Raleigh-Durham

1h 44mnonstop

9:48 am - 11:20 amRDU Raleigh-Durham-ISP Islip Long Island

1h 32mnonstop

$98Breeze Airways

Sat, Sep 19 - Tue, Sep 22

4:13 pm - 7:14 pmISP Islip Long Island-MCO Orlando

3h 01mnonstop

11:50 am - 2:33 pmMCO Orlando-ISP Islip Long Island

2h 43mnonstop

$137Frontier

Sun, Nov 1 - Sat, Nov 7

10:57 am - 1:50 pmISP Islip Long Island-MCO Orlando

2h 53mnonstop

7:10 am - 9:53 amMCO Orlando-ISP Islip Long Island

2h 43mnonstop

$138Frontier

Mon, Aug 31 - Sat, Sep 5

12:00 pm - 1:44 pmISP Islip Long Island-RDU Raleigh-Durham

1h 44mnonstop

10:07 am - 4:58 pmRDU Raleigh-Durham-ISP Islip Long Island

6h 51m1 stop Orlando

$140Multiple Airlines

Sat, Sep 19 - Tue, Sep 22

12:00 pm - 11:42 pmISP Islip Long Island-MCO Orlando

11h 42m1 stop Raleigh-Durham

2:20 pm - 4:58 pmMCO Orlando-ISP Islip Long Island

2h 38mnonstop

$141Multiple Airlines

Sat, Sep 12 - Thu, Sep 17

3:15 pm - 8:50 pmISP Islip Long Island-RDU Raleigh-Durham

5h 35m1 stop Baltimore/Washington

6:40 pm - 10:45 pmRDU Raleigh-Durham-ISP Islip Long Island

4h 05m1 stop Baltimore/Washington

$182Southwest

Sat, Sep 5 - Sun, Sep 6

11:55 am - 7:15 pmISP Islip Long Island-RDU Raleigh-Durham

7h 20m2 stops Baltimore/Washington Lambert-St Louis

6:40 pm - 10:45 pmRDU Raleigh-Durham-ISP Islip Long Island

4h 05m1 stop Baltimore/Washington

$188Southwest

Sat, Sep 5 - Sun, Sep 6

5:30 pm - 8:31 pmISP Islip Long Island-FLL Fort Lauderdale

3h 01mnonstop

8:30 pm - 11:22 pmFLL Fort Lauderdale-ISP Islip Long Island

2h 52mnonstop

$235JetBlue

Wed, Sep 9 - Tue, Sep 22

7:00 am - 9:59 amISP Islip Long Island-FLL Fort Lauderdale

2h 59mnonstop

6:45 pm - 9:37 pmFLL Fort Lauderdale-ISP Islip Long Island

2h 52mnonstop

$235JetBlue

Wed, Oct 7 - Tue, Nov 17

Cheap last minute flights

Enter your travel dates to find the best prices.

2:28 pm - 4:06 pmISP Islip Long Island-RDU Raleigh-Durham

1h 38mnonstop

9:48 am - 11:20 amRDU Raleigh-Durham-ISP Islip Long Island

1h 32mnonstop

$216Breeze Airways

Mon, Aug 17 - Tue, Sep 15

5:27 pm - 7:05 pmISP Islip Long Island-RDU Raleigh-Durham

1h 38mnonstop

9:45 am - 11:17 amRDU Raleigh-Durham-ISP Islip Long Island

1h 32mnonstop

$229Breeze Airways

Tue, Aug 18 - Wed, Aug 19

7:46 pm - 9:49 pmISP Islip Long Island-RDU Raleigh-Durham

26h 03m1 stop Tampa

3:15 pm - 4:47 pmRDU Raleigh-Durham-ISP Islip Long Island

1h 32mnonstop

$280Multiple Airlines

Fri, Aug 14 - Tue, Aug 18

2:28 pm - 10:25 pmISP Islip Long Island-MCO Orlando

7h 57m1 stop Raleigh-Durham

3:30 pm - 6:14 pmMCO Orlando-ISP Islip Long Island

2h 44mnonstop

$283Multiple Airlines

Mon, Aug 17 - Sat, Aug 22

3:34 pm - 5:28 pmISP Islip Long Island-MYR Myrtle Beach Intl

1h 54mnonstop

12:38 pm - 2:24 pmMYR Myrtle Beach Intl-ISP Islip Long Island

1h 46mnonstop

$319Frontier

Tue, Aug 18 - Sat, Aug 29

10:57 am - 1:50 pmISP Islip Long Island-MCO Orlando

2h 53mnonstop

7:10 am - 9:53 amMCO Orlando-ISP Islip Long Island

2h 43mnonstop

$327Frontier

Tue, Aug 18 - Fri, Aug 28

12:55 pm - 9:30 pmISP Islip Long Island-TPA Tampa

8h 35m2 stops Baltimore/Washington Nashville Intl

6:45 am - 12:10 pmTPA Tampa-ISP Islip Long Island

5h 25m1 stop Baltimore/Washington

$377Southwest

Tue, Aug 18 - Tue, Aug 25

10:55 am - 7:40 pmISP Islip Long Island-TPA Tampa

8h 45m2 stops Baltimore/Washington Atlanta Hartsfield-Jackson

12:00 pm - 9:05 pmTPA Tampa-ISP Islip Long Island

9h 05m2 stops Nashville Intl Baltimore/Washington

$407Southwest

Tue, Aug 18 - Tue, Aug 25

6:00 am - 9:00 amISP Islip Long Island-FLL Fort Lauderdale

3h 00mnonstop

6:50 pm - 9:49 pmFLL Fort Lauderdale-ISP Islip Long Island

2h 59mnonstop

$442JetBlue

Tue, Aug 18 - Tue, Aug 25

6:00 am - 9:00 amISP Islip Long Island-FLL Fort Lauderdale

3h 00mnonstop

6:50 pm - 9:49 pmFLL Fort Lauderdale-ISP Islip Long Island

2h 59mnonstop

$442JetBlue

Mon, Aug 17 - Tue, Aug 25

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Breeze Airways flights from Islip, New York to United States

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

Breeze Airways

Sep 26

ISP12:00 pmIslip Long Island

1h 44m

RDU1:44 pmRaleigh-Durham

Sep 30

RDU9:48 amRaleigh-Durham

1h 32m

ISP11:20 amIslip Long Island

$97

Breeze Airways

Sep 19

ISP12:00 pmIslip Long Island

1h 44m

RDU1:44 pmRaleigh-Durham

Sep 22

RDU9:48 amRaleigh-Durham

1h 32m

ISP11:20 amIslip Long Island

$98

Breeze Airways

Sep 19

ISP12:00 pmIslip Long Island

1h 44m

RDU1:44 pmRaleigh-Durham

Sep 26

RDU9:48 amRaleigh-Durham

1h 32m

ISP11:20 amIslip Long Island

$102

Frontier flights from Islip, New York to United States

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

Frontier

Aug 31

ISP10:57 amIslip Long Island

2h 53m

MCO1:50 pmOrlando

Sep 5

MCO7:10 amOrlando

2h 43m

ISP9:53 amIslip Long Island

$138

Frontier

Oct 31

ISP3:43 pmIslip Long Island

2h 56m

MCO6:39 pmOrlando

Nov 3

MCO11:50 amOrlando

2h 43m

ISP2:33 pmIslip Long Island

$143

Frontier

Aug 31

ISP10:57 amIslip Long Island

2h 53m

MCO1:50 pmOrlando

Sep 5

MCO7:10 amOrlando

2h 43m

ISP9:53 amIslip Long Island

$145

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

Cheapest round-trip

Quickest round-trip

IslipRaleigh

ISP Islip Long Island - RDU Raleigh-Durham

ISPRDU

Islip Long Island

Sat 9/26

12:00 pm-1:44 pm

Nonstop1h 44m

Raleigh-Durham

Wed 9/30

9:48 am-11:20 am

Nonstop1h 32m

$97

IslipRaleigh

ISP Islip Long Island - RDU Raleigh-Durham

ISPRDU

Islip Long Island

Sat 9/19

12:00 pm-1:44 pm

Nonstop1h 44m

Raleigh-Durham

Tue 9/22

9:48 am-11:20 am

Nonstop1h 32m

$98

IslipOrlando

ISP Islip Long Island - MCO Orlando

ISPMCO

Islip Long Island

Sun 11/1

4:13 pm-7:14 pm

Nonstop3h 01m

Orlando

Sat 11/7

11:50 am-2:33 pm

Nonstop2h 43m

$137

IslipOrlando

ISP Islip Long Island - MCO Orlando

ISPMCO

Islip Long Island

Mon 8/31

10:57 am-1:50 pm

Nonstop2h 53m

Orlando

Sat 9/5

7:10 am-9:53 am

Nonstop2h 43m

$138

IslipRaleigh

ISP Islip Long Island - RDU Raleigh-Durham

ISPRDU

Islip Long Island

Sat 9/19

12:00 pm-1:44 pm

Nonstop1h 44m

Raleigh-Durham

Tue 9/22

10:07 am-4:58 pm

1 stop6h 51m

$140

IslipOrlando

ISP Islip Long Island - MCO Orlando

ISPMCO

Islip Long Island

Sat 9/12

12:00 pm-11:42 pm

1 stop11h 42m

Orlando

Thu 9/17

2:20 pm-4:58 pm

Nonstop2h 38m

$141

IslipRaleigh

ISP Islip Long Island - RDU Raleigh-Durham

ISPRDU

Islip Long Island

Sat 9/5

3:15 pm-8:50 pm

1 stop5h 35m

Raleigh-Durham

Sun 9/6

6:40 pm-10:45 pm

1 stop4h 05m

$182

IslipRaleigh

ISP Islip Long Island - RDU Raleigh-Durham

ISPRDU

Islip Long Island

Sat 9/5

11:55 am-7:15 pm

2 stops7h 20m

Raleigh-Durham

Sun 9/6

6:40 pm-10:45 pm

1 stop4h 05m

$188

IslipFort Lauderdale

ISP Islip Long Island - FLL Fort Lauderdale

ISPFLL

Islip Long Island

Wed 9/9

5:30 pm-8:31 pm

Nonstop3h 01m

Fort Lauderdale

Tue 9/22

8:30 pm-11:22 pm

Nonstop2h 52m

$235

IslipFort Lauderdale

ISP Islip Long Island - FLL Fort Lauderdale

ISPFLL

Islip Long Island

Wed 10/7

7:00 am-9:59 am

Nonstop2h 59m

Fort Lauderdale

Tue 11/17

6:45 pm-9:37 pm

Nonstop2h 52m

$235

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 month to fly to United States?

In general, January is the cheapest month to fly from Islip, New York to United States. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $227. If you aren’t able to travel during the month of January, then book flights to United States from Islip, New York during October instead. Flights to United States in October, while not as cheap as those in January, still average around $228.

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, New York to United States flights?

There are 3 cabin classes available to choose from on Islip, New York 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	$69
Fastest flight time	1h 15m
Direct flights	Tue, Wed, Thu, Fri, Sat and Sun
Airports in United States	4,301 airports

The best one-way flight to United States from Islip, New York in the past 72 hours is $69. The best round-trip flight deal from Islip, New York to United States found on momondo in the last 72 hours is $89.

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

Direct flights go from Islip, New York to United States on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Southwest, Cape Air and Breeze Airways.

There are 4,301 airports in United States. From Islip, New York there are direct flights to Raleigh-Durham (RDU).

Search flight deals

Frequently asked questions about flying from Islip, New York to the United States

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 August 2026, there are 5 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 (25.82% of total bookings). The next most popular plane models are Airbus A220-300 (14.51%), Airbus A321neo (11.65%), and Airbus A320neo (9.34%).

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 $35	Free Cancellation	Rating 5.6 2,696 reviews	Search Frontier flights
Breeze Airways	PriceFrom $66	Free Cancellation	Rating 8.2 305 reviews	Search Breeze Airways flights
JetBlue	PriceFrom $105	Free Cancellation	Rating 7.1 3,035 reviews	Search JetBlue flights
Southwest	PriceFrom $155	Free Cancellation	Rating 8.0 4,218 reviews	Search Southwest flights
Cape Air	PriceFrom $497	Free Cancellation	Rating 9.4 32 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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Popular cities in the United States

Flights to New Yorkfrom $82

Flights to Los Angelesfrom $50

Flights to Orlandofrom $46

Flights to Miamifrom $79

Flights to San Franciscofrom $46

Flights to Chicagofrom $56

Flights to Las Vegasfrom $59

Flights to Washington, D.C.from $74

Flights to Bostonfrom $72

Flights to Atlantafrom $51

Flights to Fort Lauderdalefrom $56

Flights to Dallasfrom $50

Cheap flights from Islip, New York to the United States from $51

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Breeze Airways flights from Islip, New York to United States

Our best Breeze Airways 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 month to fly to United States?

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

What cabin class options are available on Islip, New York to United States flights?

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

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

What airlines fly to United States?

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

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

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

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

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

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

Best Price Found

Fastest flight time

Direct flights

Airports in United States

Frequently asked questions about flying from Islip, New York to the 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?

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

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

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