$959 Cheap Flights from Paris (CDG) to Islip (ISP)

View $959 flight on Thu, Feb 26, 2026Opens in a new window

Popular airlines from Paris Charles de Gaulle Airport (CDG) to MacArthur Airport (ISP)

Cheap Flights from Paris to Islip (CDG-ISP)

Prices were available within the past 7 days and start at $959 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Paris (CDG) to Islip (ISP)
Origin airport
Roissy-Charles de Gaulle
Destination airport
MacArthur
Distance
3590 mi

Paris to Islip Flights

The cheapest times to fly from Paris 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 Paris to Islip are during the month of . You can find some of the cheapest flights from Paris to Islip with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Paris to Islip

Sunday is one of the best days to book for cheap flights from Paris 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 Paris 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 Paris to Islip in 2025. You can also book with separate airlines for your outbound and return journeys, from $959 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 Paris 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 Paris 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 Roissy-Charles de Gaulle Airport (CDG) to MacArthur Airport (ISP) cost?
Secure a cheap one-way flight from $959 or cheap return flight from Roissy-Charles de Gaulle Airport (CDG) to MacArthur Airport (ISP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Roissy-Charles de Gaulle Airport (CDG) to MacArthur Airport (ISP)?
Flying in may help you find better deals, as it's the cheapest month for flights between CDG and ISP. You'll often find the lowest prices during the off-season.
What is the cheapest airline that flies from Roissy-Charles de Gaulle Airport (CDG) to MacArthur Airport (ISP)?
To find the cheapest airline that'll fly you from CDG to ISP, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Roissy-Charles de Gaulle Airport (CDG) to MacArthur Airport (ISP)?
Nonstop flights from Roissy-Charles de Gaulle Airport (CDG) to MacArthur Airport (ISP) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CDG to ISP?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending 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 Roissy-Charles de Gaulle Airport (CDG) to MacArthur Airport (ISP)?
To avoid possible delays on the Roissy-Charles de Gaulle Airport (CDG) to MacArthur Airport (ISP) route, travel before 3 PM. Flights after this time have a 22% higher chance of cancellation.**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 Roissy-Charles de Gaulle Airport (CDG)?
If you're on a direct flight from Roissy-Charles de Gaulle Airport (CDG) to Islip, John F. Kennedy Intl. Airport (JFK) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Roissy-Charles de Gaulle Airport (CDG) to MacArthur Airport (ISP) last-minute?
Waiting until right before your break to book a flight from CDG to ISP often results in higher prices. While it's possible to find some last-minute discounts, there's no guarantee. Allow some flexibility in your schedule to maximize your chances of landing a bargain.
Is it cheaper to book a CDG to ISP flight and hotel package?
Compared with arranging hotels and flights separately, booking a CDG to ISP flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place takes the hassle out of travel planning. Simply pick your flights and choose from our wide range of hotels, then customize your trip with other add-ons like tours and car rentals.
Can I cancel or change the date of my flight from Roissy-Charles de Gaulle Airport (CDG) to MacArthur Airport (ISP)?
If you reserved your CDG to ISP flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.