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€593
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 · 0 of 0
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durationstopovers
  1. November 1 – 7, 2026
  2. November 8 – 14, 2026
  3. November 15 – 21, 2026
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        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