
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $268 (Kiwi.com) |
One-way from | $86 (Trip.com) |
Popular in | October |
Cheapest in | April |
Average price | $186 |
Fly from
Fly to
Route
Depart
Return
Price
Washington, D.C.Islip
IAD - ISP
IADISP
Washington, D.C. Dulles Intl
Wed 3/11
6:20 am-4:13 pm
2 stops33h 53m
Islip Long Island
Sun 3/22
4:34 pm-7:24 am
1 stop14h 50m
Washington, D.C.Islip
IAD - ISP
IADISP
Washington, D.C. Dulles Intl
Thu 4/2
2:39 pm-11:55 pm
1 stop9h 16m
Islip Long Island
Mon 4/6
6:40 pm-5:31 pm
1 stop22h 51m
Washington, D.C.Islip
DCA - ISP
DCAISP
Washington, D.C. Reagan-National
Sat 3/7
6:05 am-1:45 pm
1 stop7h 40m
Islip Long Island
Tue 3/10
6:10 am-12:00 pm
1 stop5h 50m
Washington, D.C.Islip
DCA - ISP
DCAISP
Washington, D.C. Reagan-National
Wed 3/4
7:55 am-2:35 pm
1 stop6h 40m
Islip Long Island
Wed 3/11
6:10 am-12:00 pm
1 stop5h 50m
Washington, D.C.Islip
IAD - ISP
IADISP
Washington, D.C. Dulles Intl
Fri 3/6
2:39 pm-9:48 am
1 stop19h 09m
Islip Long Island
Fri 3/13
1:42 pm-7:24 am
1 stop17h 42m
Washington, D.C.Islip
DCA - ISP
DCAISP
Washington, D.C. Reagan-National
Tue 3/3
7:55 am-2:35 pm
1 stop6h 40m
Islip Long Island
Sun 3/8
12:20 pm-8:50 pm
1 stop8h 30m
Washington, D.C.Islip
DCA - ISP
DCAISP
Washington, D.C. Reagan-National
Thu 3/5
1:00 pm-10:40 pm
1 stop9h 40m
Islip Long Island
Sun 3/8
12:20 pm-8:50 pm
1 stop8h 30m
Washington, D.C.Islip
DCA - ISP
DCAISP
Washington, D.C. Reagan-National
Tue 3/3
7:55 am-2:35 pm
1 stop6h 40m
Islip Long Island
Fri 3/6
12:15 pm-10:55 pm
2 stops10h 40m
Washington, D.C.Islip
DCA - ISP
DCAISP
Washington, D.C. Reagan-National
Thu 3/5
1:00 pm-10:40 pm
1 stop9h 40m
Islip Long Island
Thu 3/12
12:15 pm-10:45 pm
1 stop10h 30m
Washington, D.C.Islip
IAD - ISP
IADISP
Washington, D.C. Dulles Intl
Thu 4/2
6:00 am-7:51 pm
2 stops13h 51m
Islip Long Island
Mon 4/6
6:40 pm-5:31 pm
1 stop22h 51m
Currently, April is the cheapest month in which you can book a flight from District of Columbia to Islip, New York (average of $54). Flying from District of Columbia to Islip, New York in August is currently the most expensive (average of $117). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
When flying from District of Columbia to Islip, New York, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 5% versus a flight at noon.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$231 | Average$363 | FlexibilityNo cancel fee | On-time63% |