$822+ Cheap flights from Islip, NY (ISP) to Spain
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/10. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MAD
Jan 27 — Feb 31
1 adult, Economy
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1. Tell us where you want to go
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Best flights from Islip to SpainDiscover carefully curated flight deals from Islip to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.
Discover carefully curated flight deals from Islip to Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.
This Trip.com deal was found by Cheapflights users on 12/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1010:00 amISP - BCN
2 stops17h 00mMultiple Airlines
Tue 2/177:40 amBCN - ISP
2 stops30h 59mMultiple Airlines
Deal found 12/27![Multiple Airlines logo]()
$822
Find flight deals from Islip to Spain
Keep the following information in mind while searching for Islip to Spain flight deals. Data was last updated December 28, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 1 star |
Round-trip from | $822 (Trip.com) |
Popular in | June |
Cheapest in | January |
Average price | $724 |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Spain 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 December 28, 2025.
Use the filters below to find and compare flights from Islip to Spain that are best for you.
Fly from
Islip
Fly to
Spain
Route
Depart
Return
Price
IslipBarcelona
ISP - BCN
ISPBCN
Islip Long Island
Tue 2/10
10:00 am-9:00 am
2 stops17h 00m
Barcelona-El Prat
Tue 2/17
7:40 am-8:39 am
2 stops30h 59m
$822
Best time to book a flight from Islip to Spain
Have a flexible travel schedule? Discover the best time to fly to Spain from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Islip to Spain
What is the cheapest month to book a flight from Islip, New York to Spain?
Currently, January is the cheapest month in which you can book a flight from Islip, New York to Spain (average of $285). Flying from Islip, New York to Spain in June is currently the most expensive (average of $440). 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.