Flights from Washington DC to Islip Long Island

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
06/18/25
1 Stopover (BOS)
B61354, B60344
06h 15min
Return
07/15/25
1 Stopover (BOS)
B60345, B60455
03h 41min
JetBlue Airways ?
$236
Washington DC
Islip - Long Island
Outbound
08/19/25
1 Stopover (BOS)
B61354, B60344
06h 15min
Return
09/02/25
1 Stopover (MCO)
B60547, B62424
07h 23min
JetBlue Airways ?
$262
Washington DC
Islip - Long Island
Outbound
09/23/25
1 Stopover (MCO)
B61923, B60546
07h 07min
Return
09/30/25
1 Stopover (MCO)
B60547, B62424
06h 50min
JetBlue Airways ?
$285
Washington DC
Islip - Long Island
Outbound
06/07/25
1 Stopover (BOS)
B61354, B60344
04h 53min
Return
06/23/25
1 Stopover (FLL)
B60513, B62080
10h 14min
JetBlue Airways ?
$290
Washington DC
Islip - Long Island
Outbound
06/18/25
1 Stopover (BOS)
B61354, B60344
06h 15min
Return
07/15/25
1 Stopover (BOS)
B60345, B62355
04h 38min
JetBlue Airways ?
$302
Washington DC
Islip - Long Island
Outbound
06/08/25
1 Stopover (BOS)
B61554, B60344
07h 43min
Return
06/12/25
1 Stopover (BOS)
B60345, B62355
04h 38min
JetBlue Airways ?
$304
Washington DC
Islip - Long Island
Outbound
06/07/25
1 Stopover (BOS)
B61354, B60344
04h 53min
Return
06/23/25
2 Stopovers (BOS, CLT)
B60345, AA1379, AA1269
17h 57min
JetBlue Airways ?
$336
Washington DC
Islip - Long Island
Outbound
07/08/25
1 Stopover (FLL)
B60379, B60514
06h 43min
Return
07/19/25
1 Stopover (FLL)
B60513, B62080
10h 14min
JetBlue Airways ?
$364
Washington DC
Islip - Long Island
Outbound
09/19/25
1 Stopover (BOS)
B62954, B60344
04h 55min
Return
09/29/25
1 Stopover (BOS)
B60345, B62355
03h 44min
JetBlue Airways ?
$392
Washington DC
Islip - Long Island
Outbound
08/28/25
1 Stopover (BOS)
B61354, B60344
06h 15min
Return
09/19/25
1 Stopover (BOS)
B60345, B62355
03h 44min
JetBlue Airways ?
$404
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 $235.58
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