$51 Cheap Flights from Islip (ISP) to Raleigh (RDU)

View $51 flight on Sat, Jan 17, 2026Opens in a new window

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

Cheap Flights from Islip to Raleigh (ISP-RDU)

Prices were available within the past 7 days and start at $51 for one-way flights and $102 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Wed, Jan 14 - Sat, Jan 17
ISP
Islip
RDU
Raleigh
$102 Roundtrip, just found
$102
Roundtrip
just found
Select Breeze Airways flight, departing Wed, Jan 14 from Islip to Raleigh, returning Sat, Jan 17, priced at $102 just found
Frontier Airlines
Thu, Jan 15 - Sat, Jan 17
ISP
Islip
RDU
Raleigh
$106 Roundtrip, found 10 hours ago
$106
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Thu, Jan 15 from Islip to Raleigh, returning Sat, Jan 17, priced at $106 found 10 hours ago
Frontier Airlines
Thu, Dec 11 - Mon, Dec 15
ISP
Islip
RDU
Raleigh
$110 Roundtrip, found 8 hours ago
$110
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Dec 11 from Islip to Raleigh, returning Mon, Dec 15, priced at $110 found 8 hours ago
Frontier Airlines
Thu, Jan 15 - Sat, Jan 17
ISP
Islip
RDU
Raleigh
$112 Roundtrip, found 10 hours ago
$112
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Thu, Jan 15 from Islip to Raleigh, returning Sat, Jan 17, priced at $112 found 10 hours ago
Breeze Airways
Fri, Feb 6 - Mon, Feb 9
ISP
Islip
RDU
Raleigh
$117 Roundtrip, found 14 hours ago
$117
Roundtrip
found 14 hours ago
Select Breeze Airways flight, departing Fri, Feb 6 from Islip to Raleigh, returning Mon, Feb 9, priced at $117 found 14 hours ago
Frontier Airlines
Thu, Dec 4 - Wed, Dec 10
ISP
Islip
RDU
Raleigh
$120 Roundtrip, just found
$120
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Dec 4 from Islip to Raleigh, returning Wed, Dec 10, priced at $120 just found
Breeze Airways
Wed, Jan 28 - Wed, Feb 4
ISP
Islip
RDU
Raleigh
$122 Roundtrip, found 4 days ago
$122
Roundtrip
found 4 days ago
Select Breeze Airways flight, departing Wed, Jan 28 from Islip to Raleigh, returning Wed, Feb 4, priced at $122 found 4 days ago
Frontier Airlines
Thu, Jan 15 - Sat, Jan 17
ISP
Islip
RDU
Raleigh
$125 Roundtrip, found 10 hours ago
$125
Roundtrip
found 10 hours ago
Select Frontier Airlines flight, departing Thu, Jan 15 from Islip to Raleigh, returning Sat, Jan 17, priced at $125 found 10 hours ago
JetBlue Airways
Tue, Dec 16 - Wed, Dec 24
ISP
Islip
RDU
Raleigh
$255 Roundtrip, just found
$255
Roundtrip
just found
Select JetBlue Airways flight, departing Tue, Dec 16 from Islip to Raleigh, returning Wed, Dec 24, priced at $255 just found
Southwest Airlines
Mon, Jan 5 - Mon, Jan 12
ISP
Islip
RDU
Raleigh
$265 Roundtrip, found 4 days ago
$265
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Mon, Jan 5 from Islip to Raleigh, returning Mon, Jan 12, priced at $265 found 4 days ago

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

March is typically the cheapest month to fly

From $101 - $470 per traveler.

Alternative airports near Raleigh

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Raleigh - Durham Intl. RDU. Cheapest and Closest option available. Average driving time to city center is 20 minutes. Flights from $328
RDU
Raleigh - Durham Intl.
CheapestClosest
Average driving time to city center20 min
Flights from $328
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
$101
Distance
458 mi
Average flight time
1 hour 39 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 January. 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 $51 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?
Get a cheap one-way flight from $51 or cheap return flight from $102 from MacArthur Airport (ISP) to Raleigh - Durham Intl. Airport (RDU) 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 MacArthur Airport (ISP) to Raleigh - Durham Intl. Airport (RDU)?
The cheapest month to fly from ISP to RDU is January, when demand is low. Off-peak months are typically when airlines offer better prices between these airports.
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 MacArthur Airport (ISP) to Raleigh - Durham Intl. Airport (RDU)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from ISP to RDU. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
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.