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

View $51 flight on Tue, Sep 15, 2026Opens in a new window

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

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Cheap Flights from Raleigh to Islip (RDU-ISP)

Prices were available within the past 7 days and start at $51 for one-way flights and $107 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Breeze Airways
Sat, Aug 29 - Wed, Sep 2
RDU
Raleigh
ISP
Islip
$107 Roundtrip, found 1 day ago
$107
Roundtrip
found 1 day ago
Select Breeze Airways flight, departing Sat, Aug 29 from Raleigh to Islip, returning Wed, Sep 2, priced at $107 found 1 day ago
Breeze Airways
Wed, Sep 2 - Tue, Sep 8
RDU
Raleigh
ISP
Islip
$117 Roundtrip, found 1 day ago
$117
Roundtrip
found 1 day ago
Select Breeze Airways flight, departing Wed, Sep 2 from Raleigh to Islip, returning Tue, Sep 8, priced at $117 found 1 day ago
Breeze Airways
Sat, Apr 18 - Sat, Apr 25
RDU
Raleigh
ISP
Islip
$122 Roundtrip, found 2 hours ago
$122
Roundtrip
found 2 hours ago
Select Breeze Airways flight, departing Sat, Apr 18 from Raleigh to Islip, returning Sat, Apr 25, priced at $122 found 2 hours ago
Breeze Airways
Sat, May 9 - Tue, May 12
RDU
Raleigh
ISP
Islip
$127 Roundtrip, found 16 hours ago
$127
Roundtrip
found 16 hours ago
Select Breeze Airways flight, departing Sat, May 9 from Raleigh to Islip, returning Tue, May 12, priced at $127 found 16 hours ago
Breeze Airways
Sat, Mar 21 - Wed, Mar 25
RDU
Raleigh
ISP
Islip
$132 Roundtrip, found 18 hours ago
$132
Roundtrip
found 18 hours ago
Select Breeze Airways flight, departing Sat, Mar 21 from Raleigh to Islip, returning Wed, Mar 25, priced at $132 found 18 hours ago
Breeze Airways
Wed, Mar 11 - Wed, Mar 18
RDU
Raleigh
ISP
Islip
$138 Roundtrip, found 22 hours ago
$138
Roundtrip
found 22 hours ago
Select Breeze Airways flight, departing Wed, Mar 11 from Raleigh to Islip, returning Wed, Mar 18, priced at $138 found 22 hours ago
Breeze Airways
Wed, Apr 15 - Mon, Apr 20
RDU
Raleigh
ISP
Islip
$142 Roundtrip, found 18 hours ago
$142
Roundtrip
found 18 hours ago
Select Breeze Airways flight, departing Wed, Apr 15 from Raleigh to Islip, returning Mon, Apr 20, priced at $142 found 18 hours ago
Southwest Airlines
Wed, May 20 - Sat, May 23
RDU
Raleigh
ISP
Islip
$164 Roundtrip, found 4 days ago
$164
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, May 20 from Raleigh to Islip, returning Sat, May 23, priced at $164 found 4 days ago
Frontier Airlines
Thu, Apr 23 - Mon, Apr 27
RDU
Raleigh
ISP
Islip
$167 Roundtrip, found 1 day ago
$167
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Thu, Apr 23 from Raleigh to Islip, returning Mon, Apr 27, priced at $167 found 1 day ago
JetBlue Airways
Tue, Mar 10 - Mon, Mar 30
RDU
Raleigh
ISP
Islip
$298 Roundtrip, found 1 day ago
$298
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Mar 10 from Raleigh to Islip, returning Mon, Mar 30, priced at $298 found 1 day ago

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Alternative airports near Islip

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

Select flight to MacArthur ISP. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $280
ISP
MacArthur
CheapestClosest
Average driving time to city center14 min
Flights from $280

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

March is typically the cheapest month to fly

From $101 - $487 per traveler.

Frequently asked questions

How much does a flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur) cost?
You can find cheap one-way flights from $51 and cheap return flights from $107 Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur) with Expedia. One-way flights generally range between $150 and $734, and roundtrip flights usually range from $288 to $1466. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur)?
February is the cheapest month to fly from Raleigh, NC (RDU) to Islip, NY (ISP), with average return fares around $162. This price is about 46% lower than the average fare for the year, as February usually sees a drop in travel demand after the holiday season. Other economical months to consider are January and March.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur)?
Enter RDU to ISP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur)?
Frontier Airlines is one of the cheapest airlines offering connecting flights from Raleigh - Durham Intl. (RDU) to MacArthur (ISP), starting from around $125. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur)?
To find a cheap flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur)?
The best airline to fly with from Raleigh, NC (RDU) to Islip, NY (ISP) will differ from traveler to traveler. If you like to fly early, MX offers early morning flights. If price is the most important factor, MX typically offers the lowest fares. American Airlines offers the most daily flights from Raleigh to Islip, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur)?
The ideal time to fly from Raleigh (RDU) to Islip (ISP) is in January or February. These months are the cheapest, with average return flight prices around $162. January is particularly appealing as it offers lower fares and less crowded travel conditions, making for a more relaxed journey. This information is based on booking data from the past year.*Prices based on flights available on Expedia in the last year.
How many flights per day from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur)?
There are approximately 1 nonstop flights per day from Raleigh - Durham Intl. (RDU) to MacArthur (ISP). For more options, look at flights that include layovers.
What is the earliest flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur)?
The earliest flight from Raleigh, North Carolina (RDU-Raleigh - Durham Intl.) to Islip, New York (ISP-MacArthur) usually departs at around 5:00 AM, operated by American Airlines. This seasonal service is available in July, giving you a chance to arrive early and enjoy your time in New York. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur)?
The most popular departure times for flights from Raleigh (RDU) to Islip (ISP) are in the early morning, from 6am to 9am. About 35% of passengers prefer this time window. Many major carriers, including Southwest Airlines, United Airlines, and American Airlines, offer flights during this window. This timing works well because it allows you to start your day early and arrive in Islip with plenty of time to spare.
How long does it take to fly from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur)?
Flying nonstop from RDU to ISP takes around 1 hour 30 minutes, with the route covering approximately 459 miles. Flights with a layover typically take 7 hours 50 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur)?
Select the "Business class" and "First class" filters when looking for RDU to ISP flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur) flight with Expedia?
It's easy to earn miles on a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Islip from Raleigh - Durham Intl. (RDU)?
From Raleigh - Durham Intl. (RDU), you can fly into MacArthur (ISP) to reach Islip. Some flights may connect through major hubs like Liberty Intl. (EWR), Washington Dulles Intl. (IAD), Philadelphia Intl. (PHL) before reaching Islip. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur) at the last minute?
Typically, booking a last minute flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur) flight and hotel package?
Securing a Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur)?
If you booked your Raleigh, NC (RDU-Raleigh - Durham Intl.) to Islip, NY (ISP-MacArthur) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Raleigh - Durham Intl.
Destination airport
MacArthur
Airlines serving
Breeze Airways, Frontier Airlines, JetBlue Airways, Southwest Airlines
Roundtrip price
$106
Distance
458 mi
Average flight time
1 hour 32 mins

Book with confidence

Raleigh to Islip Flights

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

 

The best time to book a flight from Raleigh to Islip

Sunday is one of the best days to book for cheap flights from Raleigh 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 Raleigh 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 Raleigh to Islip in 2026. 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 Raleigh 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 Raleigh 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.

 

Raleigh to Islip Flights

*Flight schedules are subject to change.

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*Available to One Key members.