$49+ 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
RDU — ISP
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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Find cheap flights from Raleigh to Islip 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 Raleigh-Durham to Islip Long Island are usually found in January or March, booked 66 days in advance, depart on a Tuesday or Thursday and return on a Saturday
Cheap flight deals from Raleigh to Islip
Cheapest
Best
Last-minute
One-way
Cheapest flights from Raleigh to IslipExplore 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 September 10, 2026.
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 September 10, 2026.
This Breeze Airways deal was found by Cheapflights users on 9/7. 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.
Tue 9/299:48 am -
Nonstop1h 32m
Wed 9/3012:00 pm -
Nonstop1h 44m
Deal found 9/7![Breeze Airways logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:48 am -
Nonstop1h 32m
Wed 10/712:00 pm -
Nonstop1h 44m
Deal found 9/6![Breeze Airways logo]()
$112
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:48 am -
Nonstop1h 32m
Tue 11/312:00 pm -
Nonstop1h 44m
Deal found 9/7![Breeze Airways logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:45 am -
Nonstop1h 32m
Mon 11/23:02 pm -
Nonstop1h 44m
Deal found 9/7![Breeze Airways logo]()
$122
This Breeze Airways deal was found by Cheapflights users on 9/7. 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.
Thu 10/298:45 am -
Nonstop1h 32m
Wed 11/412:00 pm -
Nonstop1h 44m
Deal found 9/7![Breeze Airways logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:50 pm -
Nonstop1h 32m
Tue 11/312:00 pm -
Nonstop1h 44m
Deal found 9/7![Breeze Airways logo]()
$127
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:50 pm -
Nonstop1h 32m
Sun 12/610:57 am -
Nonstop1h 44m
Deal found 9/5![Breeze Airways logo]()
$128
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:48 am -
Nonstop1h 32m
Mon 10/193:02 pm -
Nonstop1h 44m
Deal found 9/7![Breeze Airways logo]()
$132
This Breeze Airways deal was found by Cheapflights users on 9/6. 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 11/1312:50 pm -
Nonstop1h 32m
Sun 11/1510:57 am -
Nonstop1h 44m
Deal found 9/6![Breeze Airways logo]()
$133
This CheapOair deal was found by Cheapflights users on 9/6. 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 10/69:48 am -
Nonstop1h 32m
Tue 10/1312:00 pm -
Nonstop1h 44m
Deal found 9/6![Breeze Airways logo]()
$137
Best flights from Raleigh to IslipDiscover carefully curated flight deals from Raleigh to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
Discover carefully curated flight deals from Raleigh to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 10, 2026.
This Breeze Airways deal was found by Cheapflights users on 9/7. 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.
Tue 9/299:48 am -
Nonstop1h 32m
Wed 9/3012:00 pm -
Nonstop1h 44m
Deal found 9/7![Breeze Airways logo]()
$98
This Southwest deal was found by Cheapflights users on 9/7. 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.
Thu 10/298:20 pm -
1 stop3h 20m
Mon 11/21:35 pm -
2 stops8h 25m
Deal found 9/7![Southwest logo]()
$202
This Breeze Airways deal was found by Cheapflights users on 9/5. 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.
Thu 10/298:45 am -
Nonstop1h 32m
Wed 11/412:00 pm -
Nonstop1h 44m
Deal found 9/5![Breeze Airways logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:48 am -
Nonstop1h 32m
Thu 10/156:25 pm -
2 stops17h 56m
Deal found 9/5![Multiple Airlines logo]()
$280
This Breeze Airways deal was found by Cheapflights users on 9/9. 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 Breeze Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/79:48 am -
Nonstop1h 32m
Thu 10/810:57 am -
Nonstop1h 44m
Deal found 9/9![Breeze Airways logo]()
$223
This Southwest deal was found by Cheapflights users on 9/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/21:50 pm -
2 stops9h 20m
Mon 10/53:10 pm -
2 stops8h 30m
Deal found 9/9![Southwest logo]()
$256
This Breeze Airways deal was found by Cheapflights users on 9/6. 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 10/912:50 pm -
Nonstop1h 32m
Mon 10/123:02 pm -
Nonstop1h 44m
Deal found 9/6![Breeze Airways logo]()
$248
This CheapOair deal was found by Cheapflights users on 9/9. 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.
Sat 10/109:48 am -
Nonstop1h 32m
Mon 10/123:02 pm -
Nonstop1h 44m
Deal found 9/9![Breeze Airways logo]()
$248
This Southwest deal was found by Cheapflights users on 9/7. 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.
Fri 11/138:15 pm -
1 stop3h 15m
Sat 11/143:30 pm -
1 stop3h 50m
Deal found 9/7![Southwest logo]()
$327
This CheapOair deal was found by Cheapflights users on 9/9. 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.
Thu 10/88:45 am -
Nonstop1h 32m
Sun 10/1110:57 am -
Nonstop1h 44m
Deal found 9/9![Breeze Airways logo]()
$259
This Southwest deal was found by Cheapflights users on 9/5. 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.
Wed 10/146:40 am -
2 stops9h 05m
Thu 10/155:40 pm -
1 stop3h 50m
Deal found 9/5![Southwest logo]()
$332
Last-minute flights from Raleigh to IslipDiscover last-minute flight deals from Raleigh to Islip. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Raleigh to Islip. Data last updated September 10, 2026 and is based on user searches.
This Breeze Airways deal was found by Cheapflights users on 9/7. 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.
Tue 9/299:48 am -
Nonstop1h 32m
Wed 9/3012:00 pm -
Nonstop1h 44m
Deal found 9/7![Breeze Airways logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/309:48 am -
Nonstop1h 32m
Wed 10/712:00 pm -
Nonstop1h 44m
Deal found 9/6![Breeze Airways logo]()
$112
This CheapOair deal was found by Cheapflights users on 9/5. 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.
Thu 10/18:45 am -
Nonstop1h 32m
Wed 10/712:00 pm -
Nonstop1h 44m
Deal found 9/5![Breeze Airways logo]()
$147
This CheapOair deal was found by Cheapflights users on 9/6. 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 10/69:48 am -
Nonstop1h 32m
Tue 10/1312:00 pm -
Nonstop1h 44m
Deal found 9/6![Breeze Airways logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:48 am -
Nonstop1h 32m
Mon 10/193:02 pm -
Nonstop1h 44m
Deal found 9/7![Breeze Airways logo]()
$132
This Breeze Airways deal was found by Cheapflights users on 9/6. 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.
Thu 10/228:45 am -
Nonstop1h 32m
Sat 10/2412:00 pm -
Nonstop1h 44m
Deal found 9/6![Breeze Airways logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:48 am -
Nonstop1h 32m
Tue 11/312:00 pm -
Nonstop1h 44m
Deal found 9/7![Breeze Airways logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:45 am -
Nonstop1h 32m
Mon 11/23:02 pm -
Nonstop1h 44m
Deal found 9/7![Breeze Airways logo]()
$122
This Breeze Airways deal was found by Cheapflights users on 9/7. 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.
Thu 10/298:45 am -
Nonstop1h 32m
Wed 11/412:00 pm -
Nonstop1h 44m
Deal found 9/7![Breeze Airways logo]()
$123
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3012:50 pm -
Nonstop1h 32m
Tue 11/312:00 pm -
Nonstop1h 44m
Deal found 9/7![Breeze Airways logo]()
$127
This CheapOair deal was found by Cheapflights users on 9/7. 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 10/3012:50 pm -
Nonstop1h 32m
Mon 11/23:02 pm -
Nonstop1h 44m
Deal found 9/7![Breeze Airways logo]()
$142
One-way flights from Raleigh to IslipSearch for one-way flight options from Raleigh to Islip. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
Search for one-way flight options from Raleigh to Islip. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Super.com deal was found by Cheapflights users on 9/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:48 am -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Breeze Airways logo]()
$49
This CheapOair deal was found by Cheapflights users on 9/7. 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 10/289:48 am -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Breeze Airways logo]()
$61
This Kiwi.com deal was found by Cheapflights users on 9/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/249:48 am -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Breeze Airways logo]()
$63
This Breeze Airways deal was found by Cheapflights users on 9/8. 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.
Thu 10/88:45 am -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Breeze Airways logo]()
$64
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:48 am -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Breeze Airways logo]()
$68
This CheapOair deal was found by Cheapflights users on 9/4. 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 10/79:48 am -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![Breeze Airways logo]()
$76
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/18:45 am -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Breeze Airways logo]()
$78
This CheapOair deal was found by Cheapflights users on 9/6. 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.
Mon 11/1612:50 pm -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Breeze Airways logo]()
$81
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/18:45 am -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Breeze Airways logo]()
$83
Find 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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $98 (Breeze Airways) |
One-way from | $49 (Super.com) |
Popular in | November |
Cheapest in | January |
Average price | $208 |
Good round-trip deal | $185 or less |
Good one-way deal | $69 or less |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated September 10, 2026.
Use the filters below to find and compare flights from Raleigh to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
RaleighIslip
RDU Raleigh-Durham - ISP Islip Long Island
RDUISP
Raleigh-Durham
Sat 10/24
9:48 am-11:20 am
Nonstop1h 32m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$63
RaleighIslip
RDU Raleigh-Durham - ISP Islip Long Island
RDUISP
Raleigh-Durham
Thu 10/8
8:45 am-10:17 am
Nonstop1h 32m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$64
RaleighIslip
RDU Raleigh-Durham - ISP Islip Long Island
RDUISP
Raleigh-Durham
Thu 10/1
8:45 am-10:17 am
Nonstop1h 32m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$84
RaleighIslip
RDU Raleigh-Durham - ISP Islip Long Island
RDUISP
Raleigh-Durham
Tue 9/29
9:48 am-11:20 am
Nonstop1h 32m
Islip Long Island
Wed 9/30
12:00 pm-1:44 pm
Nonstop1h 44m
$98
RaleighIslip
RDU Raleigh-Durham - ISP Islip Long Island
RDUISP
Raleigh-Durham
Tue 9/15
9:48 am-11:20 am
Nonstop1h 32m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$99
RaleighIslip
RDU Raleigh-Durham - ISP Islip Long Island
RDUISP
Raleigh-Durham
Fri 10/9
12:50 pm-2:22 pm
Nonstop1h 32m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$114
RaleighIslip
RDU Raleigh-Durham - ISP Islip Long Island
RDUISP
Raleigh-Durham
Thu 10/29
8:45 am-10:17 am
Nonstop1h 32m
Islip Long Island
Wed 11/4
12:00 pm-1:44 pm
Nonstop1h 44m
$123
RaleighIslip
RDU Raleigh-Durham - ISP Islip Long Island
RDUISP
Raleigh-Durham
Fri 10/16
11:35 am-2:30 pm
1 stop2h 55m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$148
RaleighIslip
RDU Raleigh-Durham - ISP Islip Long Island
RDUISP
Raleigh-Durham
Fri 10/9
9:30 pm-5:30 pm
1 stop20h 00m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$158
RaleighIslip
RDU Raleigh-Durham - ISP Islip Long Island
RDUISP
Raleigh-Durham
Sat 10/24
6:00 am-11:55 am
1 stop5h 55m
Islip Long Island
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$164
Showing 1-10 of 19 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
RDU-ISP
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 Raleigh to Islip
How far ahead should I book a flight from Raleigh to Islip, New York?
Booking 64 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 $138). Flying from Raleigh to Islip, New York in November is currently the most expensive (average of $277). 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 September 10, 2026.
When flying from Raleigh to Islip, New York, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 September 10, 2026.
See what other customers who have flown with Breeze Airways,Southwest, andFrontier from Raleigh to Islip have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
6.8
Comfort
8.2
Boarding
8.4
Entertainment
6.8
Crew
8.8
Overall
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Food
6.8
Comfort
8.2
Boarding
8.4
Entertainment
6.8
Crew
8.8
Overall
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Food
6.8
Comfort
8.2
Boarding
8.4
Entertainment
6.8
Crew
8.8
Overall
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
Food
6.8
Comfort
8.2
Boarding
8.4
Entertainment
6.8
Crew
8.8
Overall
8.2
Reviews
1 / 18
4.0
OkayLisa,Mar 2026
ORF - JAX
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.
Traveling to a place near Islip?
Book flights to Islip if you plan to visit one of these locationsRiverhead
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Other flights to Islip
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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 7,457,451 searches. Data last updated September 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$117 | Average$202 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$141 | Average$159 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$218 | Average$398 | FlexibilityNo cancel fee | On-time63% |