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ISP · medium airport

Long Island MacArthur Airport

Islip, United States

Airports
ISPmedium airport

Long Island MacArthur Airport

Islip, United States
Explore Islip city guide Navigate to this airport
17
Routes out
10
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.
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 Details may be inaccurate or outdated — always verify with the airport's official website before acting on them.
Long Island's own gateway, skipping the city airport chaos

Long Island MacArthur Airport, located in Ronkonkoma in the Town of Islip, has served the New York metropolitan area as a convenient alternative to the major city airports since the 1940s. Named in honor of General Douglas MacArthur, the airport offers a compact, manageable travel experience popular with Long Island residents. It primarily handles domestic leisure and low-cost carrier traffic, making it a practical choice for travelers seeking to avoid the congestion of JFK, LaGuardia, and Newark.

Terminals
  • Main Terminal — A single consolidated terminal handling all passenger departures, arrivals, and airline check-in counters.
Ground Transport
  • Long Island Rail Road (LIRR) — Ronkonkoma Station is approximately one mile from the terminal with connecting taxi/shuttle
  • Suffolk County Transit bus service on select routes near the airport
  • Taxi and rideshare services (Uber, Lyft) available at the arrivals curb
  • Car rental agencies on-site including Hertz, Enterprise, and Avis
  • Private shuttle and hotel courtesy van services
Nearby Hotels
  • Marriott at MacArthur Airport, Ronkonkoma
  • Hyatt Regency Long Island, Hauppauge
  • Hampton Inn Long Island/Commack
  • Hilton Garden Inn Islip/MacArthur Airport
  • Holiday Inn Express Hauppauge
Dining

Inside the terminal, dining options are limited and centered around a small selection of quick-service cafes and snack bars suitable for short pre-flight waits. Travelers with more time are better served by the variety of casual dining restaurants and national chains along Veterans Memorial Highway in Ronkonkoma, just minutes from the airport. Local Long Island diners and pizzerias in the surrounding area offer a taste of genuine regional character.

Traveller Tips
  • Arrive at least 90 minutes before domestic departure as TSA lines can spike during peak morning and afternoon hours.
  • Parking is affordable and plentiful on-site compared to New York City airports, with short-term and long-term lots available.
  • The Ronkonkoma LIRR station is a short taxi or rideshare ride away, offering direct train service into Penn Station in Manhattan.
  • Check airline schedules carefully as ISP has limited carriers and routes — Allegiant and Avelo have been primary operators in recent years.
Official website

AI-assisted overview, verified against public sources.

Route map (10 destinations)

Leaflet © OpenStreetMap © CARTO

Routes

ISP → DCAAA · CRJ
ISP → PHLAA · DH3
ISP → BOSAS · SF3
ISP → FLLFL · 73W
ISP → SNAFL · 73W
ISP → TPAFL · 73W
ISP → BWIFL · 73W
ISP → MCOFL · 73W
ISP → PGDG4 · M80
ISP → BOSKS · SF3
ISP → DCAUS · CRJ
ISP → PHLUS · CRJ DH8
ISP → PBIWN · 73W
ISP → BWIWN · 73W 73C
ISP → FLLWN · 73W
ISP → MCOWN · 73W
ISP → TPAWN · 73W
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Passport, Visa & Immigration

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Long Island MacArthur Airport
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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