Montauk Point Light, Lighthouse, Long Island, New York, Suffolk County

Cheap Flights from Rennes (RNS) to Islip (ISP)

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Popular airlines from Rennes (RNS-Saint-Jacques) to MacArthur Airport (ISP)

Frequently asked questions

How much does a flight from Saint-Jacques Airport (RNS) to MacArthur Airport (ISP) cost?
Snag a cheap one-way flight or cheap return flight from Saint-Jacques Airport (RNS) to MacArthur Airport (ISP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Saint-Jacques Airport (RNS) to MacArthur Airport (ISP)?
Traveling in can help you save, as it's the cheapest month for flights between RNS and ISP. You'll typically find the lowest fares during off-peak months.
What is the cheapest airline that flies from Saint-Jacques Airport (RNS) to MacArthur Airport (ISP)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest RNS to ISP flight.
How many flights per day from Saint-Jacques Airport (RNS) to MacArthur Airport (ISP)?
Direct flights from Saint-Jacques Airport (RNS) 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 details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from RNS to ISP?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Saint-Jacques Airport (RNS) to MacArthur Airport (ISP)?
To avoid possible delays on the Saint-Jacques Airport (RNS) to MacArthur Airport (ISP) route, aim to travel before 3 PM. Departures after this hour 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.
Is it cheaper to buy a plane ticket from Saint-Jacques Airport (RNS) to MacArthur Airport (ISP) last-minute?
Holding off until just before your trip to book your flight from RNS to ISP generally means paying more. While you may find some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule to maximize your chances of getting a bargain.
Is it cheaper to book a RNS to ISP flight and hotel package?
Compared with arranging hotels and flights separately, booking a RNS to ISP flight and hotel package with Expedia could lead to significant savings. What's more, managing everything in one place takes the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Saint-Jacques Airport (RNS) to MacArthur Airport (ISP)?
In most cases, you can reschedule or cancel your RNS to ISP flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you want more information, go to our Customer Service portal.

Travel information

Origin airport
Saint-Jacques
Destination airport
MacArthur
Distance
3429 mi

Book with confidence

Rennes to Islip Flights

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

 

The best time to book a flight from Rennes to Islip

Sunday is one of the best days to book for cheap flights from Rennes 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 Rennes 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 Rennes to Islip in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 Rennes 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 Rennes 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.

 

Rennes to Islip Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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