To save on the cost of your flight from Islip, New York to Key West, book at least 51 days before your planned departure. Booking around this time can save you about 3% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $434 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $574.
Flights from Islip, New York to Key West lean towards being more expensive in February. Prices are generally better when you fly from Islip, New York to Key West in September, with the cheapest ticket starting at $223.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Key West as you normally would.
Fly from
Fly to
Budget
$803 - $1,034
Route
Depart
Return
Price
Islip Long IslandKey West
ISP - EYW
ISPEYW
Islip Long Island
Fri 5/17
2 stops18h 50m
Key West
Sun 5/19
3 stops27h 09m
Islip Long IslandKey West
ISP - EYW
ISPEYW
Islip Long Island
Fri 5/17
3 stops23h 15m
Key West
Sun 5/19
3 stops27h 09m
Islip Long IslandKey West
ISP - EYW
ISPEYW
Islip Long Island
Thu 5/2
3 stops21h 40m
Key West
Sun 5/5
2 stops19h 19m
Islip Long IslandKey West
ISP - EYW
ISPEYW
Islip Long Island
Thu 5/2
3 stops21h 40m
Key West
Sun 5/5
3 stops27h 09m
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