ISP · medium airport

Long Island MacArthur Airport

Islip, United States

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ISPmedium airport

Long Island MacArthur Airport

Islip, United States

Explore Islip city guide Navigate to this airport

Routes out

Destinations

KISP

ICAO

99 ft

Elevation

TravelerPulse profile

Long Island's convenient gateway serving the New York metro area.

Opened

1943

Location

Islip, United States

Long Island MacArthur Airport (ISP/KISP) is a public airport located in Ronkonkoma, in the Town of Islip, Suffolk County, New York. It serves as an alternative to the major New York City area airports—John F. Kennedy, LaGuardia, and Newark—offering travelers a less congested option on Long Island. The airport has historically attracted low-cost carriers seeking to capture budget-conscious travelers from eastern Long Island and surrounding communities. Allegiant Air has maintained a notable presence at the airport in recent years. Although the airport has seen fluctuations in passenger traffic and airline service over the decades, it continues to operate commercial, general aviation, and cargo flights. The facility is owned and operated by the Town of Islip.

Terminals

The airport operates a single passenger terminal building handling all commercial airline traffic.

Getting to & from

Ground transportation options include taxis, ride-share services, rental cars, and the Suffolk County Transit bus system, with the nearby Ronkonkoma Long Island Rail Road station providing rail access to Manhattan.

Airlines here

Allegiant Air has been among the primary commercial carriers serving ISP in recent years, offering nonstop leisure routes.

Notable facts

›Named in honor of General Douglas MacArthur.
›Originally established as a military airfield during World War II.
›Located approximately 50 miles east of Midtown Manhattan.
›Served by Southwest Airlines for several years before that service ended.
›Owned and operated by the Town of Islip, making it a municipally run airport.

Official website Wikipedia

This profile is provided for general information only. Details may be inaccurate or outdated — always verify with the airport's official website before acting on them.

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Route map (10 destinations)

Leaflet © OpenStreetMap © CARTO

Airlines serving this airport

Routes

ISP → DCAAA · CRJ

ISP → PHLAA · DH3

ISP → BOSAS · SF3

ISP → BWIFL · 73W

ISP → FLLFL · 73W

ISP → MCOFL · 73W

ISP → SNAFL · 73W

ISP → TPAFL · 73W

ISP → PGDG4 · M80

ISP → BOSKS · SF3

ISP → DCAUS · CRJ

ISP → PHLUS · CRJ DH8

ISP → BWIWN · 73W 73C

ISP → FLLWN · 73W

ISP → MCOWN · 73W

ISP → PBIWN · 73W

ISP → TPAWN · 73W

Aircraft operating here

73W10 routes CRJ3 routes Saab SF340A/B2 routes De Havilland Canada DHC-8-300 Dash 81 routes M801 routes DH81 routes 73C1 routes

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Passport, Visa & Immigration

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Encyclopaedia

Long Island MacArthur Airport, formerly known as Islip Airport, is a public airport located in Ronkonkoma, New York, within the Town of Islip in Suffolk County, on Long Island. Covering 1,311 acres (531 ha), the airport was established in 1942, activated in 1943, and began operating as a commercial airport in 1960. It has three runways and two helipads.

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