$50+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Islip to Raleigh with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Islip Long Island to Raleigh-Durham are usually found in January or February, booked 60 days in advance, depart on a Friday or Saturday and return on a Friday
Cheap 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 April 29, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $159 (CheapOair) |
One-way from | $50 (CheapOair) |
Popular in | September |
Cheapest in | January |
Average price | $233 |
Good round-trip deal | $189 or less |
Good one-way deal | $81 or less |
Find flight deals from Islip to Raleigh
Cheapest flights from Islip to RaleighExplore 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 April 29, 2025.
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 April 29, 2025.
This CheapOair deal was found by Cheapflights users on 4/28. 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.
This CheapOair deal was found by Cheapflights users on 4/28. 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.
This Expedia deal was found by Cheapflights users on 4/28. 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.
This Southwest deal was found by Cheapflights users on 4/29. 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.
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 April 29, 2025.
Use the filters below to find and compare flights from Islip to Raleigh that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
IslipRaleigh
ISP - RDU
ISPRDU
Islip Long Island
Wed 5/14
2:55 pm-4:31 pm
Nonstop1h 36m
Raleigh-Durham
Mon 5/19
1:46 pm-3:19 pm
Nonstop1h 33m
IslipRaleigh
ISP - RDU
ISPRDU
Islip Long Island
Wed 5/14
4:58 pm-5:20 pm
1 stop24h 22m
Raleigh-Durham
Mon 5/19
11:13 am-11:26 am
1 stop24h 13m
IslipRaleigh
ISP - RDU
ISPRDU
Islip Long Island
Sun 5/11
9:47 pm-8:09 am
1 stop10h 22m
Raleigh-Durham
Fri 5/16
1:46 pm-3:19 pm
Nonstop1h 33m
IslipRaleigh
ISP - RDU
ISPRDU
Islip Long Island
Tue 6/10
9:55 am-4:05 pm
1 stop6h 10m
Raleigh-Durham
Wed 6/18
7:05 pm-10:55 pm
1 stop3h 50m
IslipRaleigh
ISP - RDU
ISPRDU
Islip Long Island
Wed 5/14
2:55 pm-4:31 pm
Nonstop1h 36m
IslipRaleigh
ISP - RDU
ISPRDU
Islip Long Island
Tue 5/20
8:07 pm-5:42 pm
1 stop21h 35m
IslipRaleigh
ISP - RDU
ISPRDU
Islip Long Island
Tue 5/27
1:00 pm-9:10 pm
2 stops8h 10m
IslipRaleigh
ISP - RDU
ISPRDU
Islip Long Island
Fri 5/9
10:44 am-7:55 am
3 stops45h 11m
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 April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Islip, New York-Raleigh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Raleigh flight deals on Cheapflights vs. FlightHub >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.
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 April 25, 2025.
The best time to book flights from Islip, New York to Raleigh is 47 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, August is the cheapest month in which you can book a flight from Islip, New York to Raleigh (average of $206). Flying from Islip, New York to Raleigh in March is currently the most expensive (average of $295). 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 April 29, 2025.
A simple way to save on the total cost of your ticket is to fly from Islip, New York to Raleigh in the afternoon. If you’re flexible enough to do this you can expect to save up to 64% on your trip compared to booking a flight in the evening.
Rainfall in Raleigh by month
Plan your trip to Raleigh by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Raleigh ranges from 2.9 - 4.7 inches per month. July is typically the wettest month, when rainfall can reach 4.7 in. April is typically the driest time to visit Raleigh when rainfall is around 2.9 in.
Temperature in Raleigh by month
Plan your trip to Raleigh by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Raleigh, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).
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 April 29, 2025.
Peruse reviews from past customers who have flown with Breeze Airways, Southwest and Frontier from Islip to Raleigh to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Overall
Entertainment
Boarding
Food
Crew
Reviews
Dena,Dec 2024
LAS - BDL
Comfort
Overall
Entertainment
Boarding
Food
Crew
Reviews
Dena,Dec 2024
LAS - BDL
Comfort
Overall
Entertainment
Boarding
Food
Crew
Reviews
Dena,Dec 2024
LAS - BDL
Comfort
Overall
Entertainment
Boarding
Food
Crew
Reviews
Dena,Dec 2024
LAS - BDL
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.
Traveling to a place near Islip?
Book flights to Islip if you plan to visit one of these locationsBrowse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Islip to Raleigh
See prices for flight routes from nearby airports that may be better suited for you.
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 April 29, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$88 | Average$177 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$98 | Average$182 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$267 | Average$326 | FlexibilityNo cancel fee | On-time63% |