
Keep the following information in mind while searching for Islip to New Jersey flight deals. Data was last updated September 7, 2026.
Round-trip from | $286 (Kiwi.com) |
|---|---|
One-way from | $179 (Southwest) |
Fly from
Fly to
Route
Depart
Return
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Fri 1/8
4:25 pm-10:35 pm
1 stop6h 10m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Sun 1/10
6:49 pm-3:49 pm
2 stops21h 00m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Mon 9/21
11:52 am-1:35 pm
1 stop25h 43m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Sat 9/19
5:43 pm-12:09 am
1 stop6h 26m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Sun 9/20
5:43 pm-12:09 am
1 stop6h 26m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
IslipNew York
ISP Islip Long Island - LGA New York LaGuardia
ISPLGA
Islip Long Island
Sun 9/13
5:43 pm-4:00 pm
2 stops22h 17m
New York LaGuardia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
IslipNew York
ISP Islip Long Island - LGA New York LaGuardia
ISPLGA
Islip Long Island
Sun 9/13
7:31 pm-4:00 pm
3 stops44h 29m
New York LaGuardia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Sun 10/4
5:43 pm-7:16 am
2 stops37h 33m
Philadelphia
Sun 10/11
7:15 am-5:30 pm
1 stop10h 15m
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Thu 9/24
5:43 pm-12:09 am
1 stop6h 26m
Philadelphia
Wed 9/30
7:15 am-4:58 pm
1 stop9h 43m
IslipPhiladelphia
ISP Islip Long Island - PHL Philadelphia
ISPPHL
Islip Long Island
Sun 9/13
5:43 pm-12:09 am
1 stop6h 26m
Philadelphia
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
Everything you need to know about your flight from Islip to New Jersey
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