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$51+ Cheap flights from Islip, NY to Raleigh (ISP - RDU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — RDU
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Islip Long Island to Raleigh-Durham are usually found in February or July, booked 44 days in advance, depart on a Thursday or Wednesday and return on a Wednesday

Cheap flight deals from Islip to Raleigh

Cheapest flights from Islip to Raleigh
Explore the most affordable flight options available from Islip to Raleigh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This Frontier deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:00 amISP - RDU
1 stop10h 44mFrontier
Sat 1/1011:47 amRDU - ISP
1 stop7h 21mFrontier
Deal found 12/10$162
This CheapOair deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:29 pmISP - RDU
1 stop20h 15mFrontier
Wed 1/148:16 pmRDU - ISP
1 stop22h 47mFrontier
Deal found 12/9$163
This CheapOair deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:40 pmISP - RDU
1 stop23h 48mFrontier
Tue 12/309:05 pmRDU - ISP
1 stop25h 12mFrontier
Deal found 12/10$214
This Expedia deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:00 amISP - RDU
1 stop10h 44mMultiple Airlines
Fri 12/1912:13 pmRDU - ISP
Nonstop1h 32mMultiple Airlines
Deal found 12/9$216
This CheapOair deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:00 amISP - RDU
1 stop9h 36mFrontier
Tue 12/232:12 pmRDU - ISP
1 stop26h 25mFrontier
Deal found 12/10$239
This Expedia deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:40 pmISP - RDU
1 stop13h 48mFrontier
Sun 12/219:05 pmRDU - ISP
1 stop26h 54mFrontier
Deal found 12/11$242
This CheapOair deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:00 amISP - RDU
1 stop10h 44mFrontier
Fri 12/198:14 pmRDU - ISP
1 stop21h 41mFrontier
Deal found 12/9$248
This CheapOair deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/236:25 amISP - RDU
1 stop10h 26mFrontier
Tue 12/308:14 pmRDU - ISP
1 stop20h 23mFrontier
Deal found 12/11$265
This CheapOair deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/216:15 amISP - RDU
1 stop10h 36mFrontier
Thu 12/258:14 pmRDU - ISP
1 stop23h 26mFrontier
Deal found 12/9$268
This CheapOair deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/192:25 pmISP - RDU
Nonstop1h 39mBreeze Airways
Mon 12/2212:13 pmRDU - ISP
Nonstop1h 32mBreeze Airways
Deal found 12/11$270
This CheapOair deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:40 pmISP - RDU
1 stop13h 48mFrontier
Fri 12/268:14 pmRDU - ISP
1 stop21h 41mFrontier
Deal found 12/11$283

Find flight deals from Islip to Raleigh

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Raleigh (RDU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$97
(Super.com)

One-way from

$51
(CheapOair)

Popular in

December

Cheapest in

February

Average price

$348

Good round-trip deal

$113 or less

Good one-way deal

$89 or less
Provider with most accurate pricing for Islip Long Island-Raleigh-Durham flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Raleigh-Durham flights.
Search Deals
From Islip Long Island to Raleigh-Durham
Search Deals
One-way flight from Islip Long Island to Raleigh-Durham
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($49 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Islip Long Island to Raleigh-Durham.
Search Deals
Price to beat on a one-way flight from Islip Long Island to Raleigh-Durham.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Raleigh that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Islip to Raleigh that are best for you.

Fly from

Islip

Fly to

Raleigh

Route

Depart

Return

Price

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Wed 1/21

11:50 am-1:33 pm

Nonstop1h 43m

Raleigh-Durham

Sat 1/24

9:38 am-11:10 am

Nonstop1h 32m

$102

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Sat 2/7

12:35 pm-2:18 pm

Nonstop1h 43m

Raleigh-Durham

Wed 2/11

9:45 am-11:17 am

Nonstop1h 32m

$102

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Wed 1/14

11:50 am-1:33 pm

Nonstop1h 43m

Raleigh-Durham

Sat 1/17

9:38 am-11:10 am

Nonstop1h 32m

$102

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Wed 2/18

12:35 pm-2:18 pm

Nonstop1h 43m

Raleigh-Durham

Mon 2/23

11:59 am-1:31 pm

Nonstop1h 32m

$138

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Fri 2/20

3:34 pm-8:30 pm

1 stop28h 56m

Raleigh-Durham

Thu 2/26

4:04 pm-2:39 pm

1 stop22h 35m

$146

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Wed 12/17

6:00 am-4:44 pm

1 stop10h 44m

Raleigh-Durham

Sat 1/10

11:47 am-7:08 pm

1 stop7h 21m

$162

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Thu 1/8

8:40 pm-4:54 pm

1 stop20h 14m

Raleigh-Durham

Mon 1/12

1:40 pm-7:51 pm

1 stop6h 11m

$163

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Wed 1/14

8:00 am-1:58 pm

1 stop5h 58m

Raleigh-Durham

Wed 1/14

8:16 pm-7:03 pm

1 stop22h 47m

$163

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Fri 1/2

2:25 pm-4:04 pm

Nonstop1h 39m

Raleigh-Durham

Mon 1/5

12:13 pm-1:45 pm

Nonstop1h 32m

$198

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Mon 1/5

2:04 pm-3:25 pm

1 stop25h 21m

Raleigh-Durham

Mon 1/12

8:14 pm-10:46 pm

1 stop26h 32m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 20 results
1
2

Compare providers for flights from Islip to Raleigh

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Raleigh in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Islip, New York-Raleigh flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Islip, New York-Raleigh flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Islip, New York-Raleigh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Raleigh flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Raleigh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Islip to Raleigh

Have a flexible travel schedule? Discover the best time to fly to Raleigh from Islip with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Islip to Raleigh

How far ahead should I book a flight from Islip, New York to Raleigh?

Use this chart to determine the optimal time to book a round-trip flight from Islip to Raleigh. Price data was last updated on December 5, 2025.

The best time to book flights from Islip, New York to Raleigh is 43 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Islip, New York to Raleigh?

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Raleigh (average of $36). Flying from Islip, New York to Raleigh in October is currently the most expensive (average of $81). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ISP to RDU?

Find hourly flight availability from Islip to Raleigh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Islip, New York to Raleigh in the evening. If you’re flexible enough to do this you can expect to save up to 32% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Raleigh

Get insights into the airlines that provide service to Raleigh. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Raleigh. Reviews last updated December 12, 2025.
Get a feel of what it's like to fly with Breeze Airways, Southwest, and Frontier from Islip to Raleigh by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Breeze Airways
8.2
Very good
244 reviews

Boarding

8.4

Food

6.7

Entertainment

6.6

Crew

8.8

Comfort

8.2

Overall

8.2

Reviews

1 / 15
8.0
Excellent

Lyle,Dec 2025

BDL - RSW

Seating was comfortable, crew excellent, no food or entertainment offered.
Breeze Airways
8.2
Very good
244 reviews
Breeze Airways
8.2
Very good
244 reviews

Boarding

8.4

Food

6.7

Entertainment

6.6

Crew

8.8

Comfort

8.2

Overall

8.2

Reviews

1 / 15
8.0
Excellent

Lyle,Dec 2025

BDL - RSW

Seating was comfortable, crew excellent, no food or entertainment offered.
Southwest
7.9
Good
4,253 reviews
Breeze Airways
8.2
Very good
244 reviews

Boarding

8.4

Food

6.7

Entertainment

6.6

Crew

8.8

Comfort

8.2

Overall

8.2

Reviews

1 / 15
8.0
Excellent

Lyle,Dec 2025

BDL - RSW

Seating was comfortable, crew excellent, no food or entertainment offered.
Frontier
5.8
Fair
3,084 reviews
Breeze Airways
8.2
Very good
244 reviews

Boarding

8.4

Food

6.7

Entertainment

6.6

Crew

8.8

Comfort

8.2

Overall

8.2

Reviews

1 / 15
8.0
Excellent

Lyle,Dec 2025

BDL - RSW

Seating was comfortable, crew excellent, no food or entertainment offered.

Related info for your journey

Find useful and relevant information for your journey from Islip to Raleigh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Islip, New York to Raleigh flight route?

    This flight path from Islip Long Island to Raleigh-Durham was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Islip, New York to Raleigh?

    Departing from Islip, New York to Raleigh will take you 1h 43m. There are 458 mi between Islip, New York and Raleigh. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Islip, New York to Raleigh round-trip?

    Flying on Frontier is currently your cheapest option to Raleigh, with prices starting at $73. Additional round-trip tickets that might be worth considering are offered by Breeze Airways and Southwest, with the lowest prices starting at $107 and $228, respectively. Frontier is priced at 67% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Islip, New York to Raleigh one-way?

    $55 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Breeze Airways and Southwest, with prices starting from $56 and $108, respectively.

  • What are the cheapest flights from Islip, New York to Raleigh?

    Looking at all options, your cheapest flight can be booked for $89. While the most popular route (Islip Long Island - Raleigh-Durham) can be booked for $97 on average, our data indicates $109 when flying from Islip, New York to Raleigh.

  • Can I find deals for flights from Islip to Raleigh that include hotel bookings?

    Yes. In addition to deals on Islip to Raleigh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Islip to Raleigh?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Raleigh.

  • Can I find deals for business class flights from Islip to Raleigh?

    Yes. Cheapflights offers flight deals from Islip to Raleigh by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Islip, New York to Raleigh?

    Currently, January is the cheapest month in which you can book a flight from Islip, New York to Raleigh (average of $36). Flying from Islip, New York to Raleigh in October is currently the most expensive (average of $81). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Raleigh?

Book flights to Raleigh if you plan to visit one of these locations
Rocky Mount
Smithfield
Cary
Garner
Dunn
Danville
Chapel Hill
Selma
Goldsboro
Henderson
Morrisville
Wilson
Pinehurst
Wake Forest
South Hill
Holly Springs

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Top 3 airlines flying from Islip to Raleigh

Discover the top 3 airlines that operate flights from Islip to Raleigh. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$73Average$157FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$106Average$179FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$228Average$328FlexibilityNo cancel feeOn-time63%

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