Cheap Flights To Islip, NY

  • TipSeptember is the cheapest month to fly to Islip

Best Deals to Islip Last modified: Aug 16, 2019 3:54 -04:00

We've scanned 48,195,047,545 round trip itineraries and found the cheapest flights to Islip. Frontier & American frequently offer the best deals to Islip flights, or select your preferred carrier below to see the cheapest days to fly.

Frontier
RDUISP
Tue 9/10
nonstop
ISPRDU
Tue 9/17
nonstop
American
CLEISP
Mon 9/9
1 stop
ISPCLE
Thu 9/12
1 stop
$204
American
BOSISP
Thu 9/12
1 stop
ISPBOS
Mon 9/16
1 stop
$214
American
ILMISP
Sat 9/14
2 stops
ISPILM
Mon 9/16
2 stops
$279
American
BUFISP
Fri 9/13
1 stop
ISPBUF
Sun 9/15
1 stop
$319

Cheap Flights from Islip (ISP)

Looking for somewhere to go? Start here.

We are updating our Cookie Policy. FareCompare will use cookies and other tracking technologies to assist with navigation and product selection, analyze your use of our services, assist with our promotional and marketing efforts, and provide deals content from third parties.

Cheap Flights to Islip from $67 round trip (ISP) - FareCompare