$537 Cheap Flights from Brussels (BRU) to Islip (ISP)

View $537 flight on Mon, Dec 8, 2025Opens in a new window

Popular airlines from Brussels Airport (BRU) to MacArthur Airport (ISP)

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Cheap Flights from Brussels to Islip (BRU-ISP)

Prices were available within the past 7 days and start at $537 for one-way flights and $933 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aer Lingus
Mon, Nov 24 - Mon, Dec 1
BRU
Brussels
ISP
Islip
$933 Roundtrip, found 2 days ago
$933
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Mon, Nov 24 from Brussels to Islip, returning Mon, Dec 1, priced at $933 found 2 days ago
Aer Lingus
Mon, Nov 24 - Mon, Dec 1
BRU
Brussels
ISP
Islip
$940 Roundtrip, found 2 days ago
$940
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Mon, Nov 24 from Brussels to Islip, returning Mon, Dec 1, priced at $940 found 2 days ago
Aer Lingus
Mon, Nov 24 - Mon, Dec 1
BRU
Brussels
ISP
Islip
$948 Roundtrip, found 2 days ago
$948
Roundtrip
found 2 days ago
Select Aer Lingus flight, departing Mon, Nov 24 from Brussels to Islip, returning Mon, Dec 1, priced at $948 found 2 days ago

Frequently asked questions

How much does a flight from Brussels - National Airport (BRU) to MacArthur Airport (ISP) cost?
Get a cheap one-way flight from $537 or cheap return flight from $933 from Brussels - National Airport (BRU) 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 Brussels - National Airport (BRU) to MacArthur Airport (ISP)?
The cheapest month to fly from BRU to ISP is November, when there's less demand. Off-peak months are often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Brussels - National Airport (BRU) to MacArthur Airport (ISP)?
Use the filters on Expedia to compare airlines and find the cheapest carrier that'll fly you from BRU to ISP. Then, sort your results by "Price (lowest to highest)" to pick up a good deal.
How many flights per day from Brussels - National Airport (BRU) to MacArthur Airport (ISP)?
You'll have to catch a flight with a layover when traveling from Brussels - National Airport (BRU) to MacArthur Airport (ISP). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from BRU to ISP?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Brussels - National Airport (BRU) to MacArthur Airport (ISP)?
To arrive at MacArthur Airport (ISP) on time, book a flight that leaves Brussels - National Airport (BRU) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Brussels - National Airport (BRU)?
If you're traveling on a direct flight from Brussels - National Airport (BRU) to Islip, John F. Kennedy Intl. Airport (JFK) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Brussels - National Airport (BRU) to MacArthur Airport (ISP) last-minute?
Last-minute fares from BRU to ISP are typically more expensive. To lock in the lowest prices, start looking for flights well in advance. That said, if your travel plans are flexible, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book a BRU to ISP flight and hotel package?
Compared with arranging hotels and flights separately, booking a BRU to ISP flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place will take the hassle out of travel planning. Just secure your flights and choose from our extensive range of hotels, then tailor your trip with extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Brussels - National Airport (BRU) to MacArthur Airport (ISP)?
You can usually cancel or reschedule your BRU to ISP flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Brussels - National
Destination airport
MacArthur
Roundtrip price
$933
Distance
3622 mi

Book with confidence

Brussels to Islip Flights

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

 

The best time to book a flight from Brussels to Islip

Sunday is one of the best days to book for cheap flights from Brussels 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 Brussels 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 Brussels to Islip in 2025. You can also book with separate airlines for your outbound and return journeys, from $537 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 Brussels 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 Brussels 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.

 

Brussels to Islip Flights

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*Available to One Key members.