Flight Routes from Washington DC to Islip Long Island

Compare cheap outbound and return flights from Washington DC (IAD) to Islip - Long Island (ISP) and find the best offer from numerous airlines and travel agencies.

Trip type
Flight distance
425 km
Time difference
none

Flight schedule from Washington DC (IAD) to Islip - Long Island (ISP)

Select a travel date in the flight schedule for the route from Washington DC (IAD) to Islip - Long Island (ISP) and compare affordable flight deals.

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Matching outbound flightsIAD–ISP · 0 of 0
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  1. September 20 – 26, 2026
  2. Sep 27 – Oct 3, 2026
  3. October 4 – 10, 2026
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        Important flight information

        Discover more flights around Washington DC and Islip - Long Island

        Departure airport Airport Washington DC - Dulles International Airport, DC (IAD)
        Arrival airport Airport Islip - Long Island MacArthur Airport,NY (ISP)
        Destination country Flights to United States
        City-Code - Arrival airport Washington-DC - Islip - Long Island MacArthur Airport,NY
        Departure airport - Destination country Washington DC - Dulles International Airport, DC - United States
        Alternative routes to United States
        Alternative flights to Islip - Long Island