Direct flights from Islip (ISP)

Long Island MacArthur Airport (ISP) is a small station with nonstop service to 8 destinations, flown by 3 airlines, led by JetBlue Airways, Frontier Airlines, and Cape Air. Because the schedule is limited, an upgrade or award opening on a Boston flight rarely lasts. 2LNR checks every ISP nonstop flown by JetBlue Airways for confirmed availability, so a rare opening does not go unnoticed.

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

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8
Nonstop destinations
3
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. It has 8 nonstop destinations in 2LNR's schedule data.

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

Confirmed upgrade and award seats on each ISP route, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch a Islip route 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: 8 nonstop destinations with active service at Long Island MacArthur Airport. Each route links to its confirmed upgrade and award availability.

Explore ISP routes on the interactive map →

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.

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 8 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 Boston, 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, 8 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.

Never miss ISP upgrade or award space

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

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