Washington DC in Spring

£222 Cheap Flights from Islip (ISP) to Washington (WAS)

View £222 flight on Sun, 13 Sept 2026Opens in a new window

Flight 1

Flight 2

Popular airlines from MacArthur Airport (ISP) to Washington

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Islip (ISP) to Washington (WAS)

Prices were available within the past 7 days and start at £222 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Travel information

Origin airport
MacArthur
Destination airport
WAS-All Airports
Distance
382 km