Flight Routes from Washington DC to Islip Long Island

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

Trip type
Cheapest roundtrip flight
from€840
Fastest outbound flight
Fastest inbound flight
Flight distance
400 km
Time difference
none

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

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

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Matching outbound flightsDCA–ISP · 3 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 - Ronald Reagan National Airport, VA (DCA)
      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 - Ronald Reagan National Airport, VA - United States
      Alternative routes to United States
      Alternative flights to Islip - Long Island
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