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$38+ Cheap flights from Raleigh to Islip, NY (RDU - ISP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ISP
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Raleigh-Durham to Islip Long Island are usually found in March or February, booked 56 days in advance, depart on a Friday or Monday and return on a Friday

Cheap flight deals from Raleigh to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Raleigh (RDU) to Islip (ISP). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$38
(Cheapflightsfares)

Popular in

July

Cheapest in

March

Average price

$136

Good round-trip deal

$98 or less

Good one-way deal

$59 or less
Provider with most accurate pricing for Raleigh-Durham-Islip Long Island flight deals.
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Provider most trusted by Cheapflights users for Raleigh-Durham-Islip Long Island flights.
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From Raleigh-Durham to Islip Long Island
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Raleigh-Durham to Islip Long Island.
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Price to beat on a one-way flight from Raleigh-Durham to Islip Long Island.
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Find flight deals from Raleigh to Islip

Cheapest flights from Raleigh to Islip
Explore the most affordable flight options available from Raleigh to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 2/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/253:33 pmRDU - ISP
Nonstop1h 42mFrontier
Sun 6/16:05 pmISP - RDU
Nonstop1h 39mFrontier
Deal found 2/18$62
This Breeze Airways deal was found by Cheapflights users on 2/19. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2810:45 amRDU - ISP
Nonstop1h 31mBreeze Airways
Mon 3/312:56 pmISP - RDU
Nonstop1h 38mBreeze Airways
Deal found 2/19$98
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/610:45 amRDU - ISP
Nonstop1h 31mMultiple Airlines
Tue 3/119:04 pmISP - RDU
1 stop24h 12mMultiple Airlines
Deal found 2/19$104
This Southwest deal was found by Cheapflights users on 2/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/17:10 pmRDU - ISP
1 stop3h 25mSouthwest
Wed 4/26:30 amISP - RDU
2 stops11h 55mSouthwest
Deal found 2/20$260

Find flights from Raleigh to Islip within your budget

Customize your flight search to find flights from Raleigh to Islip 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 February 20, 2025.

Fly from

Raleigh

Fly to

Islip

Route

Depart

Return

Price

RaleighIslip

RDU - ISP

RDUISP

Raleigh-Durham

Sun 5/25

3:33 pm-5:15 pm

Nonstop1h 42m

Islip Long Island

Sun 6/1

6:05 pm-7:44 pm

Nonstop1h 39m

$62

RaleighIslip

RDU - ISP

RDUISP

Raleigh-Durham

Fri 3/21

10:45 am-12:16 pm

Nonstop1h 31m

Islip Long Island

Sun 3/23

12:56 pm-2:34 pm

Nonstop1h 38m

$102

RaleighIslip

RDU - ISP

RDUISP

Raleigh-Durham

Thu 3/6

10:45 am-12:16 pm

Nonstop1h 31m

Islip Long Island

Tue 3/11

9:04 pm-9:16 pm

1 stop24h 12m

$104

RaleighIslip

RDU - ISP

RDUISP

Raleigh-Durham

Tue 4/1

7:10 pm-10:35 pm

1 stop3h 25m

Islip Long Island

Wed 4/2

6:30 am-6:25 pm

2 stops11h 55m

$260

RaleighIslip

RDU - ISP

RDUISP

Raleigh-Durham

Thu 5/22

3:33 pm-5:15 pm

Nonstop1h 42m

$44

RaleighIslip

RDU - ISP

RDUISP

Raleigh-Durham

Thu 2/27

10:45 am-12:16 pm

Nonstop1h 31m

$46

RaleighIslip

RDU - ISP

RDUISP

Raleigh-Durham

Thu 3/13

8:10 am-7:45 pm

2 stops35h 35m

$117

RaleighIslip

RDU - ISP

RDUISP

Raleigh-Durham

Wed 3/19

12:20 pm-10:35 pm

2 stops10h 15m

$189

RaleighIslip

RDU - ISP

RDUISP

Raleigh-Durham

Fri 5/16

7:40 am-4:36 pm

1 stop8h 56m

$286

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Compare providers for flights from Raleigh to Islip

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 Raleigh to Islip in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice 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 Raleigh-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Raleigh-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Raleigh-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Raleigh-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub 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 Raleigh-Islip, New York 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 Raleigh to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Raleigh 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.

Travel insights for flights from Raleigh to Islip

Get recent, data-driven insights about flights from Raleigh to Islip including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from Raleigh to Islip. Price data was last updated on February 14, 2025.

Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from Raleigh to Islip, New York. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from Raleigh to Islip, New York (average of $108). Flying from Raleigh to Islip, New York in November is currently the most expensive (average of $213). 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 RDU to ISP?

Find hourly flight availability from Raleigh to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

It’s optimal to fly from Raleigh to Islip, New York at noon. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Raleigh to Islip, New York?

Use this chart to determine the cheapest time to fly round-trip from Raleigh to Islip. Price data was last updated on February 16, 2025.

Travelers seeking maximum savings on their Raleigh to Islip, New York flight should consider departing on Friday mornings when fares are most often at their lowest. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Islip by month

Plan your trip to Islip by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

Plan your trip to Islip by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. 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 Islip. Reviews last updated February 20, 2025.
To help decide which airline to fly from Raleigh to Islip, see what other customers have to say about Southwest, Breeze Airways and JetBlue. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,413 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,413 reviews
Southwest
8.1
Very good
4,413 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Breeze Airways
8.1
Very good
150 reviews
Southwest
8.1
Very good
4,413 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,071 reviews
Southwest
8.1
Very good
4,413 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Frontier
6.0
Okay
3,358 reviews
Southwest
8.1
Very good
4,413 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Raleigh to Islip. 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 Raleigh to Islip, New York flight route?

    Flights from Raleigh-Durham to Islip Long Island have been viewed 2 times in the past calendar month.

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

    According to our current data, Frontier ($38), Breeze Airways ($102), and Southwest ($260) offers the cheapest pricing from Raleigh to Islip, New York. Frontier is currently priced 78% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $44. However, be on the lookout for offers from Breeze Airways and Southwest, as they are both options that can get you from Raleigh to Islip, New York for a low price.

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

    Looking for the cheapest flight from Raleigh to Islip, New York? While on average our users pay $94, our data indicates the cheapest price to be $46. The most popular route (Raleigh-Durham - Islip Long Island), is priced around $38.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Raleigh to Islip 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 Raleigh to Islip, New York?

    Currently, January is the cheapest month in which you can book a flight from Raleigh to Islip, New York (average of $108). Flying from Raleigh to Islip, New York in November is currently the most expensive (average of $213). 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?

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Top 3 airlines flying from Raleigh to Islip

Discover the top 3 airlines that operate flights from Raleigh to Islip. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$63Average$195FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$98Average$168FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$248Average$356FlexibilityNo cancel feeOn-time63%
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