Flight Routes from Washington DC to Islip Long Island

Trip type

Our cheapest offers for flights from Washington DC to Islip Long Island

Here you can compare cheap flights from Washington DC (DCA) to Islip Long Island (ISP) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Islip Long Island. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Washington DC
Islip - Long Island
Outbound
07/26/26
1 Stopover (FLL)
B61579, B60314
07h 01min
Return
08/05/26
1 Stopover (MCO)
B60547, B62424
07h 05min
JetBlue Airways ?
$504
Washington DC
Islip - Long Island
Outbound
07/26/26
1 Stopover (FLL)
B61979, B60514
18h 01min
Return
08/05/26
1 Stopover (FLL)
B60513, B62080
07h 29min
JetBlue Airways ?
$555
Washington DC
Islip - Long Island
Outbound
07/26/26
1 Stopover (BOS)
AA1556, 9K0213
07h 50min
Return
08/05/26
1 Stopover (BOS)
9K0210, AA2134
06h 24min
American Airlines, Cape Air ?
$772
Washington DC
Islip - Long Island
Outbound
06/25/26
1 Stopover (BOS)
AA1605, 9K0211
04h 07min
Return
06/30/26
1 Stopover (BOS)
9K0210, AA1556
04h 35min
American Airlines, Cape Air ?
$1,262
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: Washington DC - Islip - Long Island

Roundtrip from 503,78 $
Return flight duration min. 07:50
Distance 400 km
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
Alternative routes to United States
Alternative flights to Islip - Long Island
Flight destinations with a similar price