$56 Cheap Flights from Islip (ISP) to Raleigh (RDU)

View $56 flight on Fri, Oct 31, 2025Opens in a new window

Popular airlines from MacArthur Airport (ISP) to Raleigh-Durham International Airport (RDU)

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Cheap Flights from Islip to Raleigh (ISP-RDU)

Prices were available within the past 7 days and start at $56 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Mon, Nov 10 - Mon, Nov 17
ISP
Islip
RDU
Raleigh
$117 Roundtrip, found 1 day ago
$117
Roundtrip
found 1 day ago
Select Breeze Airways flight, departing Mon, Nov 10 from Islip to Raleigh, returning Mon, Nov 17, priced at $117 found 1 day ago
Breeze Airways
Mon, Oct 27 - Mon, Nov 3
ISP
Islip
RDU
Raleigh
$122 Roundtrip, found 1 day ago
$122
Roundtrip
found 1 day ago
Select Breeze Airways flight, departing Mon, Oct 27 from Islip to Raleigh, returning Mon, Nov 3, priced at $122 found 1 day ago
Breeze Airways
Fri, Sep 5 - Mon, Sep 8
ISP
Islip
RDU
Raleigh
$127 Roundtrip, found 12 hours ago
$127
Roundtrip
found 12 hours ago
Select Breeze Airways flight, departing Fri, Sep 5 from Islip to Raleigh, returning Mon, Sep 8, priced at $127 found 12 hours ago
Southwest Airlines
Wed, Oct 29 - Mon, Nov 3
ISP
Islip
RDU
Raleigh
$129 Roundtrip, found 4 days ago
$129
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Oct 29 from Islip to Raleigh, returning Mon, Nov 3, priced at $129 found 4 days ago
Southwest Airlines
Wed, Oct 29 - Mon, Nov 3
ISP
Islip
RDU
Raleigh
$135 Roundtrip, found 4 days ago
$135
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Oct 29 from Islip to Raleigh, returning Mon, Nov 3, priced at $135 found 4 days ago
Breeze Airways
Fri, Sep 26 - Mon, Sep 29
ISP
Islip
RDU
Raleigh
$137 Roundtrip, found 14 hours ago
$137
Roundtrip
found 14 hours ago
Select Breeze Airways flight, departing Fri, Sep 26 from Islip to Raleigh, returning Mon, Sep 29, priced at $137 found 14 hours ago
Breeze Airways
Fri, Sep 19 - Tue, Sep 23
ISP
Islip
RDU
Raleigh
$139 Roundtrip, found 4 days ago
$139
Roundtrip
found 4 days ago
Select Breeze Airways flight, departing Fri, Sep 19 from Islip to Raleigh, returning Tue, Sep 23, priced at $139 found 4 days ago
Breeze Airways
Fri, Sep 26 - Mon, Sep 29
ISP
Islip
RDU
Raleigh
$142 Roundtrip, found 14 hours ago
$142
Roundtrip
found 14 hours ago
Select Breeze Airways flight, departing Fri, Sep 26 from Islip to Raleigh, returning Mon, Sep 29, priced at $142 found 14 hours ago
JetBlue Airways
Mon, Oct 27 - Mon, Nov 3
ISP
Islip
RDU
Raleigh
$156 Roundtrip, found 1 day ago
$156
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Mon, Oct 27 from Islip to Raleigh, returning Mon, Nov 3, priced at $156 found 1 day ago
Frontier Airlines
Wed, Aug 20 - Wed, Sep 3
ISP
Islip
RDU
Raleigh
$264 Roundtrip, just found
$264
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Aug 20 from Islip to Raleigh, returning Wed, Sep 3, priced at $264 just found

Find the cheapest month to fly from Islip (ISP) to Raleigh (RDU)

November is typically the cheapest month to fly

From $101 - $403 per traveler.

Graph displaying average flight prices per month

Flights from Islip (ISP) to Raleigh (RDU)
Origin airport
MacArthur
Destination airport
Raleigh - Durham Intl.
Airlines serving
Breeze Airways, Frontier Airlines, JetBlue Airways, Southwest Airlines
Roundtrip price
$116
Distance
458 mi
Average flight time
1 hour 38 mins

Islip to Raleigh Flights

The cheapest times to fly from Islip to Raleigh

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

 

The best time to book a flight from Islip to Raleigh

Sunday is one of the best days to book for cheap flights from Islip to Raleigh: 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 Islip to Raleigh

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 Islip to Raleigh in 2025. You can also book with separate airlines for your outbound and return journeys, from $56 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 Islip to Raleigh 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 Islip to Raleigh 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 MacArthur Airport (ISP) to Raleigh - Durham Intl. Airport (RDU) cost?
Cheap return flights from MacArthur Airport (ISP) to Raleigh - Durham Intl. Airport (RDU) start from $132. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Breeze flight leaving ISP on August 6 2025 and touching down at RDU. The price was last updated on July 10 2025 and has not changed since.
What is the cheapest month to fly from ISP to RDU?
The cheapest flights from ISP to RDU are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from MacArthur Airport (ISP) to Raleigh - Durham Intl. Airport (RDU)?
When jetting out of MacArthur Airport (ISP), you can jump on a direct flight to Raleigh - Durham Intl. Airport (RDU) with Breeze Airways.
What is the cheapest airline that flies from ISP to RDU?
Currently, the cheapest carrier operating one-way flights from ISP to RDU is Breeze. You can jet off on this route from $66. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ISP on September 19 2025. Prices were last updated on July 10 2025 and have not changed since.
How many flights per day from MacArthur Airport (ISP) to Raleigh - Durham Intl. Airport (RDU)?
On average, you can take your pick of 3 nonstop flights taking off from MacArthur Airport (ISP) to Raleigh - Durham Intl. Airport (RDU) each week. If you can't see one that suits your schedule, consider catching a flight that has a layover. Filter your search on Expedia to include one stop or more and choose the next best option.
What are the most popular departure times for flights from MacArthur Airport (ISP) to Raleigh - Durham Intl. Airport (RDU)?
More people fly between ISP and RDU at 12 PM than at any other point in the day. Prefer a quieter experience? Travel outside of rush hours and there's a chance you'll save on your fare as well.
What day of the week has the most flights from ISP to RDU?
If you fly on a Friday, you'll get the largest range of options for flights from MacArthur Airport (ISP) to Raleigh - Durham Intl. Airport (RDU).
What is the earliest flight from MacArthur Airport (ISP) to Raleigh - Durham Intl. Airport (RDU)?
Take the earliest flight at around 12:56PM UTC-5, heading out of MacArthur Airport (ISP). You'll be flying for roughly 1h 38m, arriving at Raleigh - Durham Intl. Airport (RDU) at approximately 2:34PM UTC-5.
How long does it take to fly from MacArthur Airport (ISP) to Raleigh - Durham Intl. Airport (RDU)?
Flights from ISP to RDU have an average travel time of 1 hour and 38 minutes. The total distance between the two airports is 460 mi.
What is the best time to fly from MacArthur Airport (ISP) to Raleigh - Durham Intl. Airport (RDU)?
To reach Raleigh - Durham Intl. Airport (RDU) without delays, choose a flight that leaves from MacArthur Airport (ISP) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Raleigh from MacArthur Airport (ISP)?
Raleigh - Durham Intl. Airport (RDU) is the only airport in Raleigh with direct flights from MacArthur Airport (ISP). Explore the options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from MacArthur Airport (ISP) to Raleigh - Durham Intl. Airport (RDU) last-minute?
Last-minute bookings from ISP to RDU are usually more expensive. For the best rates, start looking for flights ahead of time. That said, if you're flexible with your travel dates, you may score a cheap fare right before your trip.
Is it cheaper to book an ISP to RDU flight and hotel package?
Compared with arranging flights and hotels separately, booking an ISP to RDU flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the stress out of planning your trip. Simply pick your flights and select from our extensive 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 MacArthur Airport (ISP) to Raleigh - Durham Intl. Airport (RDU)?
You can usually reschedule or cancel your ISP to RDU flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.