In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What are the most popular routes from Spain to Islip, New York?

The most popular flight routes from Spain to Islip, New York are Vigo - Islip Long Island, Madrid Barajas - Islip Long Island and Alicante - Islip Long Island.

What is the cheapest time of day to fly from ES to ISP?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Spain to Islip, New York as you normally would.

What airport do you fly into for flights to Islip from Spain?

For a flight from Spain to Islip, you will be flying into Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city.

Can I find deals for flights from Spain to Islip that include hotel bookings?

Yes. In addition to deals on Spain to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Spain to Islip?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Spain to Islip.

Can I find deals for business class flights from Spain to Islip?

Yes. Cheapflights offers flight deals from Spain to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$8,703+ Flights from Spain to Islip, NY

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Cheap flight deals from Spain to Islip

Popular in	August
Cheapest in	February
Average price	$515

Highest demand for flights based on searches. 11% potential increase in price ($70 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).

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Average for round-trip flights in January 2026

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Find flight deals from Spain to Islip

Cheapest flights from Spain to Islip
Explore the most affordable flight options available from Spain to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 18, 2026.

Tue 7/215:55 am

MAD

ISP

2 stops19h 50m

Multiple Airlines

Tue 7/2812:30 pm

ISP

MAD

2 stops15h 25m

Multiple Airlines

Deal found 1/16

$8,703

Best time to book a flight from Spain to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Spain 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 Spain to Islip

What is the cheapest month to book a flight from Spain to Islip, New York?

Currently, October is the cheapest month in which you can book a flight from Spain to Islip, New York (average of $180). Flying from Spain to Islip, New York in July is currently the most expensive (average of $484). 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.

Related info for your journey

What airport do you fly into for flights to Islip from Spain?
For a flight from Spain to Islip, you will be flying into Long Island. Islip Long Island (ISP) is just 7.2 mi from the center of the city.
What are the most popular routes from Spain to Islip, New York?
The most popular flight routes from Spain to Islip, New York are Vigo - Islip Long Island, Madrid Barajas - Islip Long Island and Alicante - Islip Long Island.
Can I find deals for flights from Spain to Islip that include hotel bookings?
Yes. In addition to deals on Spain to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Spain to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Spain to Islip.
Can I find deals for business class flights from Spain to Islip?
Yes. Cheapflights offers flight deals from Spain to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Spain to Islip, New York?
Currently, October is the cheapest month in which you can book a flight from Spain to Islip, New York (average of $180). Flying from Spain to Islip, New York in July is currently the most expensive (average of $484). 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.

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$8,703+ Cheap flights from Spain to Islip, NY (ISP)

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 7/21. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Spain to Islip with Cheapflights

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Cheap flight deals from Spain to Islip

Keep the following information in mind while searching for Spain to Islip flight deals. Data was last updated January 18, 2026.

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Cheapest in

Average price

Find flight deals from Spain to Islip

Cheapest flights from Spain to IslipExplore the most affordable flight options available from Spain to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 18, 2026.

Explore the most affordable flight options available from Spain to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 18, 2026.

Best time to book a flight from Spain to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Spain with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Spain to Islip

What is the cheapest month to book a flight from Spain to Islip, New York?

Related info for your journey

Find useful and relevant information for your journey from Spain to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Islip from Spain?

What are the most popular routes from Spain to Islip, New York?

Can I find deals for flights from Spain to Islip that include hotel bookings?

How can I find direct flights from Spain to Islip?

Can I find deals for business class flights from Spain to Islip?

What is the cheapest month to book a flight from Spain to Islip, New York?

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Cheapest flights from Spain to Islip
Explore the most affordable flight options available from Spain to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 18, 2026.