RDU - ISP

$51 Find Cheap Flights from Raleigh to Islip - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$97
Typical prices: $147-$278
Breeze Airways
Sun 1/7Thu 1/11
RDU - ISP • Non-stop
Cheapest one-way
$51
Typical prices: $93-$216
Breeze Airways
Mon 1/22
RDU - ISP • Non-stop
Nonstop flights
4 days a week
You can fly direct with Breeze Airways. Average duration is 1h 32m
Direct flights
+1
Direct flights
+1
When to book
17 weeks
in advance
Our data shows that travelers who book at least 17 weeks in advance save around 61% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 33% price drop
August
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Tampa (TPA)
Cheapest • Avg $163 (round-trip)
Baltimore/Washington (BWI)
Shortest trip • 4h 05m (one-way)
Insights
Insights
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Flight Deals

Cheap Flights from Raleigh to Islip (RDU-ISP)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Raleigh to Islip

Thu, Jan 7 - Mon, Jan 11
Breeze Airways Logo
8:45 am - 10:17 amRDU  Raleigh-Durham-ISP Islip Long Island
1h 32mnonstop
Breeze Airways Logo
3:02 pm - 4:46 pmISP  Islip Long Island-RDU Raleigh-Durham
1h 44mnonstop
$97Breeze Airways
Fri, Jan 8 - Mon, Jan 11
Breeze Airways Logo
12:50 pm - 2:22 pmRDU  Raleigh-Durham-ISP Islip Long Island
1h 32mnonstop
Breeze Airways Logo
3:02 pm - 4:46 pmISP  Islip Long Island-RDU Raleigh-Durham
1h 44mnonstop
$102Breeze Airways
Fri, Feb 5 - Sun, Feb 7
Breeze Airways Logo
12:50 pm - 2:22 pmRDU  Raleigh-Durham-ISP Islip Long Island
1h 32mnonstop
Breeze Airways Logo
10:57 am - 12:41 pmISP  Islip Long Island-RDU Raleigh-Durham
1h 44mnonstop
$102Breeze Airways
Thu, Jan 7 - Mon, Jan 11
Multiple Airlines Logo
12:49 pm - 8:33 pmRDU  Raleigh-Durham-ISP Islip Long Island
7h 44m1 stop Orlando
Multiple Airlines Logo
3:02 pm - 4:46 pmISP  Islip Long Island-RDU Raleigh-Durham
1h 44mnonstop
$169Multiple Airlines
Tue, Nov 10 - Tue, Nov 17
Multiple Airlines Logo
9:48 am - 11:20 amRDU  Raleigh-Durham-ISP Islip Long Island
1h 32mnonstop
Multiple Airlines Logo
1:38 pm - 9:07 amISP  Islip Long Island-RDU Raleigh-Durham
19h 29m2 stops Wilmington New Hanover County Orlando
$183Multiple Airlines
Wed, Nov 11 - Tue, Nov 17
Multiple Airlines Logo
9:48 am - 11:20 amRDU  Raleigh-Durham-ISP Islip Long Island
1h 32mnonstop
Multiple Airlines Logo
1:38 pm - 9:07 amISP  Islip Long Island-RDU Raleigh-Durham
19h 29m2 stops Wilmington New Hanover County Orlando
$183Multiple Airlines
Thu, Jan 21 - Tue, Jan 26
Southwest Logo
12:35 pm - 8:35 pmRDU  Raleigh-Durham-ISP Islip Long Island
8h 00m1 stop Orlando
Southwest Logo
5:45 am - 11:15 amISP  Islip Long Island-RDU Raleigh-Durham
5h 30m1 stop Baltimore/Washington
$197Southwest
Thu, Jan 21 - Tue, Jan 26
Southwest Logo
8:15 am - 11:50 amRDU  Raleigh-Durham-ISP Islip Long Island
3h 35m1 stop Baltimore/Washington
Southwest Logo
5:45 am - 1:10 pmISP  Islip Long Island-RDU Raleigh-Durham
7h 25m2 stops Baltimore/Washington Nashville Intl
$202Southwest
Sat, Nov 21 - Mon, Nov 23
Frontier Logo
6:00 am - 3:45 pmRDU  Raleigh-Durham-ISP Islip Long Island
9h 45m1 stop Orlando
Frontier Logo
4:40 pm - 11:35 pmISP  Islip Long Island-RDU Raleigh-Durham
6h 55m1 stop Orlando
$239Frontier
Wed, Nov 11 - Sun, Nov 15
Frontier Logo
9:30 pm - 5:31 pmRDU  Raleigh-Durham-ISP Islip Long Island
20h 01m1 stop Orlando
Frontier Logo
6:33 pm - 4:31 pmISP  Islip Long Island-RDU Raleigh-Durham
21h 58m1 stop Orlando
$278Frontier
Booking Insights

Price, demand and travel trends for Raleigh to Islip flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Raleigh to Islip?

Round-trip flights from Raleigh to Islip typically range from $147 to $278. The lowest price found in the past 5 days was $97, on Breeze Airways.

What's the cheapest day of the week to fly from Raleigh to Islip?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Raleigh to Islip. It’s 21% cheaper than the average day, while Sunday is the most expensive, with prices 199% higher.

What’s the cheapest month to fly from Raleigh to Islip?

•January is the cheapest month to fly from Raleigh to Islip at $138 round-trip.
•December ($438) and November ($277) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 217% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Raleigh to Islip the cheapest?

Flights from Raleigh to Islip are cheapest 17 weeks before departure. Booking in this window typically costs about 61% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Key details for Raleigh to Islip flights

Low season

January

Cheapest flight

$51
Beat the crowds with an average 49% drop in travelers.
The most popular month to fly with an average 46% increase in travelers.
One-way flight from Raleigh to Islip

When to book flights from Raleigh to Islip

Are your dates flexible? Find out the best times to travel from Raleigh to Islip based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Raleigh to Islip flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Raleigh to Islip?

    These are the earliest and latest flight times available from Raleigh to Islip:

    • Earliest: departs at 8:45 am and lands at 10:17 am
    • Latest: departs at 12:50 pm and lands at 2:22 pm.

    The flight takes about 1h 32m.

  • What cabin classes can I book on flights from Raleigh to Islip?

    Two cabin classes are available on flights from Raleigh to Islip:

    • Economy Class
    • Premium Economy Class

  • How long is a flight from Raleigh to Islip?

    A nonstop flight from Raleigh to Islip takes 1h 32m, covering 458 miles.

  • Do I need a passport to fly from Raleigh to Islip?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Raleigh to Islip flight?

    Round-trip flights from Raleigh to Islip range from $147 to $278, with an average of $205 over the past 12 months. Anything below $147 counts as a good deal.

  • How expensive are last-minute Raleigh to Islip flights?

    Last-minute fares on this route (booked within two weeks of departure) run 58% above the $205 route average. Book 17 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Raleigh to Islip?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $163 round-trip via Tampa (TPA), compared to $197 for nonstop.

  • What is the standard checked-bag allowance on flights from Raleigh to Islip?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Raleigh to Islip?

    The Airbus A220-300 family is used most often on this route, operated mainly by Breeze Airways and JetBlue. Other aircraft seen on the route include Canadair (Bombardier) Regional Jet 900 variants.

  • How are flight prices from Raleigh to Islip looking right now?

    One-way fares from Raleigh to Islip are currently lower than usual. Average one-way flight prices are about $108, which is 24% below the typical average for this route.

  • What car rental options are available at Islip Long Island Airport (ISP)?

    Islip Long Island Airport (ISP) hosts 5 major car rental companies, with daily rates averaging $105 for economy cars. Top options include:

    • Budget
    • Enterprise Rent-A-Car
    • Avis
    • National
    • Empire Rent A Car

  • Which airports can I use when flying from Raleigh to Islip?

    Flights from Raleigh to Islip usually depart from Raleigh-Durham (RDU) and arrive at Islip Long Island (ISP).

  • Which airports do connecting flights from Raleigh to Islip pass through?

    One-stop flights from Raleigh to Islip most commonly connect through:

    • Baltimore/Washington (BWI) - 79% of one-stop connections
    • Orlando (MCO) - 17% of one-stop connections
    • Tampa (TPA) - 3% of one-stop connections

  • Can I save money by using flexible dates for flights from Raleigh to Islip?

    Yes. Flexible dates can save you up to 74% on flights from Raleigh to Islip. Tuesday is the cheapest departure day at $162 round-trip on average, while Sunday is the most expensive at $614, a difference of $452.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Raleigh to Islip?

    Only Breeze Airways operates flights between Raleigh and Islip.

  • How much time can I save by choosing a different layover airport from Raleigh to Islip?

    Flying via Baltimore/Washington (BWI) gives the shortest average 1-stop total travel time at 4h 05m, compared with 8h 31m via Tampa (TPA) and 14h 23m via Orlando (MCO).

  • Which airlines offer extra legroom and free seat selection on Raleigh to Islip flights?

    Among airlines operating Raleigh to Islip flights:

    • Breeze Airways: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Raleigh to Islip flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Breeze Airways: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Raleigh to Islip flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Sunday. On this route, Tuesday flights average $162, about $452 less than Sunday fares (74% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 17 weeks before you fly. On this route, that window historically saves about 61% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Raleigh to Islip trip for January. Fares historically average $138 round-trip in that month - typically $300 less than the most expensive month, which is December (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Tampa Airport (TPA) can be cheaper than flying direct. The cheapest layover option averages $163 round-trip on this route - about $34 less than direct flights (based on the last 12 months).

Prefer to fly direct from Raleigh to Islip?

 
Find which airlines fly direct from Raleigh-Durham Airport to Islip Long Island Airport, which days they fly and book direct flights.

Direct departures

Raleigh-Durham to Islip Long Island

Monday

Breeze Airways

Breeze Airways

Tuesday

Breeze Airways

Breeze Airways

Wednesday

Breeze Airways

Breeze Airways

Thursday

Breeze Airways

Breeze Airways

Friday

Breeze Airways

Breeze Airways

Saturday

Breeze Airways

Breeze Airways

Sunday

Breeze Airways

Breeze Airways

See more direct flights

Direct returns

Islip Long Island to Raleigh-Durham

Monday

Breeze Airways

Breeze Airways

Tuesday

Breeze Airways

Breeze Airways

Wednesday

Breeze Airways

Breeze Airways

Thursday

Breeze Airways

Breeze Airways

Friday

Breeze Airways

Breeze Airways

Saturday

Breeze Airways

Breeze Airways

Sunday

Breeze Airways

Breeze Airways

See more direct flights

More options for your flight from Raleigh to Islip

Complete your trip to Islip with a hotel stay or car rental

Car rentals in Islip
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