$205+ Cheap flights from Islip, NY to Key West (ISP - EYW)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Islip to Key West with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Islip to Key West
Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Key West (EYW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated junio 12, 2025.
Round-trip from | $683 (FlightHub) |
|---|---|
One-way from | $205 (JetBlue) |
Popular in | December |
Cheapest in | September |
Average price | $473 |
Find flight deals from Islip to Key West
Cheapest flights from Islip to Key WestExplore the most affordable flight options available from Islip to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.
Explore the most affordable flight options available from Islip to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.
This FlightHub deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Key West that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated junio 12, 2025.
Use the filters below to find and compare flights from Islip to Key West that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
IslipKey West
ISP - EYW
ISPEYW
Islip Long Island
mar. 7/15
1:55 pm-9:22 am
3 stops19h 27m
Key West
mar. 7/22
10:02 am-1:32 pm
2 stops27h 30m
IslipKey West
ISP - EYW
ISPEYW
Islip Long Island
jue. 6/26
7:39 pm-4:38 pm
3 stops20h 59m
Key West
lun. 6/30
2:07 pm-1:15 pm
2 stops23h 08m
IslipKey West
ISP - EYW
ISPEYW
Islip Long Island
lun. 6/30
10:38 am-6:05 pm
1 stop7h 27m
IslipKey West
ISP - EYW
ISPEYW
Islip Long Island
lun. 6/30
10:44 am-9:22 am
2 stops22h 38m
Best time to book a flight from Islip to Key West
Have a flexible travel schedule? Discover the best time to fly to Key West from Islip with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Islip to Key West
What is the cheapest month to book a flight from Islip, New York to Key West?
Currently, August is the cheapest month in which you can book a flight from Islip, New York to Key West (average of $328). Flying from Islip, New York to Key West in March is currently the most expensive (average of $493). 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.
Rainfall in Key West by month
Plan your trip to Key West by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Key West ranges from 1.5 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Key West when rainfall is around 1.5 in.
Temperature in Key West by month
Plan your trip to Key West by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).
Reviews of airlines servicing Key West
Get insights into the airlines that provide service to Key West. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key West. Reviews last updated junio 12, 2025.
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Dena,Dec 2024
LAS - BDL
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Dena,Dec 2024
LAS - BDL
Food
Overall
Comfort
Entertainment
Boarding
Crew
Reviews
Dena,Dec 2024
LAS - BDL