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 (IAD) 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
04/12/25
1 Stopover (TPA)
F91031, F93356
15h 03min
Return
04/27/25
1 Stopover (TPA)
F93323, F92954
10h 36min
Frontier Airlines
$240
Washington DC
Islip - Long Island
Outbound
04/12/25
1 Stopover (TPA)
F91031, F93356
15h 03min
Return
04/27/25
1 Stopover (TPA)
F93323, F92954
10h 36min
Frontier Airlines
$242
Washington DC
Islip - Long Island
Outbound
06/18/25
1 Stopover (MCO)
F94811, F93056
06h 07min
Return
07/15/25
1 Stopover (MCO)
F91237, F94812
16h 21min
Frontier Airlines
$282
Washington DC
Islip - Long Island
Outbound
06/18/25
1 Stopover (MCO)
F94811, F93056
06h 07min
Return
07/15/25
1 Stopover (MCO)
F91237, F94812
16h 21min
Frontier Airlines
$286
Washington DC
Islip - Long Island
Outbound
04/12/25
1 Stopover (TPA)
F91031, F93324
21h 25min
Return
04/27/25
1 Stopover (TPA)
F93323, F92954
10h 36min
Frontier Airlines
$288
Washington DC
Islip - Long Island
Outbound
06/18/25
1 Stopover (MCO)
F94811, F93056
06h 07min
Return
07/15/25
1 Stopover (MCO)
F91237, F94812
16h 21min
Frontier Airlines
$296
Washington DC
Islip - Long Island
Outbound
04/12/25
1 Stopover (MCO)
F92859, F91238
19h 22min
Return
04/27/25
1 Stopover (MCO)
F91237, F94812
21h 44min
Frontier Airlines ?
$606
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 239,23 USD
Distance 425 km
Departure airport Airport Washington DC - Dulles International Airport, DC (IAD)
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