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
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
Pay attention to transfer at connecting flight
Outbound
04/29/25
3 Stopovers (DUJ, PIT, RSW)
9X0125, 9X0232, MX0741, MX0786
34h 14min
Return
05/08/25
2 Stopovers (CHS, HVN)
MX0482, MX0271, XP0481
25h 18min
Southern Airways Express, Breeze Airways
$800
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
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
04/29/25
2 Stopovers (ATL, MCO)
F91081, F94556, F93056
42h 09min
Return
05/08/25
1 Stopover (MCO)
B60547, UA1451
08h 23min
Frontier Airlines ?
$520
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 $281.73
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