Direct flights from Islip (ISP)

Long Island MacArthur Airport (ISP) is a small station with nonstop service to 7 destinations, flown by 3 airlines, led by JetBlue Airways, Frontier Airlines, and Cape Air. The busiest nonstop from Islip goes to Boston. Where 2LNR tracks JetBlue Airways on a nonstop from ISP, it shows award space by date.

Route data refreshed October 23, 2026. Routes and carriers reflect the schedule data behind 2LNR's route map.

Updated October 24, 2026.

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Airlines serving ISP

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About Long Island MacArthur Airport (ISP)

Long Island MacArthur Airport (ISP) is the airport serving Islip, United States. Its ICAO code is KISP. Departure and arrival times at ISP are local to the America/New_York time zone. Every one of its 7 nonstop destinations is inside United States.

Award seats on Islip routes

2LNR tracks award seats on JetBlue Airways, date by date. Pick any Islip destination below to see whether a seat exists before you move points, the next 14 days free on every product and the full horizon on Pro.

See real availability

Award seats by date on the ISP routes 2LNR tracks, checked against live inventory so you know what's open before you book.

Set an alert

Premium inventory turns over fast. Watch a tracked Islip route on Pro and 2LNR notifies you when space appears.

Plan on the map

Explore every ISP nonstop on the interactive route map, with connections and route statistics.

All nonstop destinations from Islip (ISP)

These are the city pairs behind flights to and from Islip: 7 nonstop destinations with active service at Long Island MacArthur Airport. Each route links to its own page, with award space by date where 2LNR tracks the carrier.

Islip to Boston flights (ISP-BOS): Cape Air
Return: Boston to Islip
Islip to Fort Lauderdale flights (ISP-FLL): JetBlue Airways
Return: Fort Lauderdale to Islip
Islip to Fort Myers flights (ISP-RSW): JetBlue Airways
Return: Fort Myers to Islip
Islip to Myrtle Beach flights (ISP-MYR): Frontier Airlines
Islip to Orlando flights (ISP-MCO): Frontier Airlines and JetBlue Airways
Return: Orlando to Islip
Islip to Tampa flights (ISP-TPA): Frontier Airlines and JetBlue Airways
Return: Tampa to Islip
Islip to West Palm Beach flights (ISP-DJT): JetBlue Airways
Return: West Palm Beach to Islip

Explore ISP routes on the interactive map →

Nonstop flights to Islip (ISP)

6 airports have nonstops to Long Island MacArthur Airport in 2LNR's schedule data. Here they are, with the airlines that fly each route.

Boston to Islip flights (BOS-ISP): Cape Air
Fort Lauderdale to Islip flights (FLL-ISP): JetBlue Airways
Fort Myers to Islip flights (RSW-ISP): JetBlue Airways
Orlando to Islip flights (MCO-ISP): Frontier Airlines and JetBlue Airways
Tampa to Islip flights (TPA-ISP): Frontier Airlines and JetBlue Airways
West Palm Beach to Islip flights (DJT-ISP): JetBlue Airways

Airlines that fly out of Islip (ISP)

The carriers with nonstop service from Long Island MacArthur Airport, ordered by how many destinations each one reaches. Each links to that airline's full route map.

Alternative airports near Islip (ISP)

Nearby airports with nonstop service of their own, closest first. Distances are great-circle between the two airports' coordinates, not driving time, so check the ground connection before you treat one as a substitute.

White Plains (HPN) (37 miles, 21 nonstop destinations)
New York (JFK) (37 miles, 199 nonstop destinations)
New York (LGA) (41 miles, 92 nonstop destinations)
Teterboro (TEB) (51 miles, 2 nonstop destinations)
Newark (EWR) (57 miles, 203 nonstop destinations)
Newburgh (SWF) (72 miles, 5 nonstop destinations)

United States flights by airport

Frequently asked questions about Islip (ISP)

How many nonstop destinations does Long Island MacArthur Airport (ISP) serve?

Long Island MacArthur Airport has active nonstop service to 7 destinations in 2LNR's schedule data. The busiest markets from ISP are Boston, West Palm Beach, and Orlando. The full list, with who flies each route and, where 2LNR tracks the carrier, upgrade and award space by date, is on this page.

Which airlines fly out of Islip (ISP)?

The carriers with nonstop service from Long Island MacArthur Airport are listed in full on this page, each linked to its own route map. JetBlue Airways, Frontier Airlines, and Cape Air run the most routes from Islip, in that order. In 2LNR's schedule data that is 3 airlines in total.

How many airlines fly out of ISP?

2LNR's schedule data currently shows 3 airlines with at least one nonstop route from Islip (ISP). That figure counts the carrier operating the flight rather than every carrier that sells a seat on it, so a codeshare marketed by a partner is not counted twice, and it moves with the season.

How do I check upgrade or award availability from ISP?

Pick any destination on this page, such as West Palm Beach, to open a calendar of ISP departures with award seats on JetBlue Airways by date, the next 14 days free on every product and the full horizon on Pro. On Pro you can also set an alert so 2LNR notifies you when space opens.

Does 2LNR track flights from ISP?

Yes. Every nonstop route from Long Island MacArthur Airport in 2LNR's schedule data is listed, 7 destinations in total, and on the routes flown by JetBlue Airways what is shown is confirmed availability rather than a forecast, the next 14 days free on every product and the full horizon on Pro.

Where can you fly nonstop from Islip (ISP)?

From Islip (ISP), 2LNR's schedule data shows nonstop flights to Boston, Fort Lauderdale, Fort Myers, Myrtle Beach, Orlando, Tampa, and West Palm Beach. This page lists every one, with the airlines that fly it.

See award space from ISP by date

See what's open by date on these routes, the next 14 days free on every product and the full horizon on Pro.

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