Flight Routes from Washington DC to Islip Long Island

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

Trip type
Fastest outbound flight
Fastest inbound flight
Flight distance
398 km
Time difference
none
Airports in Washington-DC
  1. Dulles International Airport, DC
  2. Ronald Reagan National Airport, VA

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

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

offers
Active filtersnone
Matching outbound flights3 of 3
fromto
dep.arr.
durationstopovers
  1. September 20 – 26, 2026
  2. Sep 27 – Oct 3, 2026
  3. October 4 – 10, 2026
    1. DCAISP
      1 stopover
      1. American Airlines
      2. Cape Air
    2. DCAISP
      1 stopover
      1. American Airlines
      2. Cape Air
    3. DCAISP
      1 stopover
      1. JetBlue Airways

      Important flight information

      Discover more flights around Washington-DC and Islip - Long Island

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