$1,325 Cheap Flights from Madrid (MAD) to Islip (ISP)

View $1,325 flight on Wed, Jun 17, 2026Opens in a new window

Popular airlines from Adolfo Suarez Madrid-Barajas Airport (MAD) to MacArthur Airport (ISP)

Cheap Flights from Madrid to Islip (MAD-ISP)

Prices were available within the past 7 days and start at $1,325 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Madrid (MAD) to Islip (ISP)
Origin airport
Adolfo Suárez Madrid-Barajas
Destination airport
MacArthur
Distance
3543 mi

Madrid to Islip Flights

The cheapest times to fly from Madrid to Islip

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Madrid to Islip are during the month of . You can find some of the cheapest flights from Madrid to Islip with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Madrid to Islip

Sunday is one of the best days to book for cheap flights from Madrid to Islip: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Madrid to Islip

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Madrid to Islip in 2025. You can also book with separate airlines for your outbound and return journeys, from $1,325 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Madrid to Islip flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Madrid to Islip airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Adolfo Suarez Madrid-Barajas Airport (MAD) to MacArthur Airport (ISP) cost?
Secure a cheap one-way flight from $1,325 or cheap return flight from Adolfo Suarez Madrid-Barajas Airport (MAD) to MacArthur Airport (ISP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Adolfo Suarez Madrid-Barajas Airport (MAD) to MacArthur Airport (ISP)?
Planning your trip for is a great way to save, as it's the cheapest month for flights between MAD and ISP. You'll typically find the lowest prices during the off-season.
What is the cheapest airline that flies from Adolfo Suarez Madrid-Barajas Airport (MAD) to MacArthur Airport (ISP)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from MAD to ISP. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Adolfo Suarez Madrid-Barajas Airport (MAD) to MacArthur Airport (ISP)?
You'll have to book a flight with a layover when traveling from Adolfo Suarez Madrid-Barajas Airport (MAD) to MacArthur Airport (ISP). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover the best option for your trip.
What day of the week has the most flights from MAD to ISP?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on various factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Adolfo Suarez Madrid-Barajas Airport (MAD) to MacArthur Airport (ISP)?
To avoid potential delays on the Adolfo Suarez Madrid-Barajas Airport (MAD) to MacArthur Airport (ISP) route, travel before 3 PM. Later departures have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Islip from Adolfo Suarez Madrid-Barajas Airport (MAD)?
Browse your flight options from Adolfo Suarez Madrid-Barajas Airport (MAD) to John F. Kennedy Intl. Airport (JFK). This is the only Islip airport you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Adolfo Suarez Madrid-Barajas Airport (MAD) to MacArthur Airport (ISP) last-minute?
Holding off until right before your break to book a flight from MAD to ISP often results in higher prices. While you may come across some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary for the best chance of scoring a bargain.
Is it cheaper to book a MAD to ISP flight and hotel package?
Compared with arranging flights and hotels separately, booking a MAD to ISP flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one convenient place will take the hassle out of travel planning. Simply pick your flights and choose from our wide range of stays, then customize your trip with extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Adolfo Suarez Madrid-Barajas Airport (MAD) to MacArthur Airport (ISP)?
It's generally possible to cancel or reschedule your MAD to ISP flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.