Raleigh to Islip RDU → ISP
Raleigh-Durham International Airport (RDU) → Long Island MacArthur Airport (ISP)
The cheapest return found recently is $368 with Breeze Airways, 20 Nov – 24 Nov, found today.
Return
The cheapest return fare on each of 4 departure dates is usually $180 to $373.
Cheapest return found recently
$368
20 Nov – 24 Nov · Breeze Airways
Raleigh-Durham International Airport (RDU) → Long Island MacArthur Airport (ISP)
Leaves 12:50 p.m. · Return leaves 12:00 p.m. · 3 h 16 min of travel, both ways together
out nonstop, back nonstop
found today
Cheapest nonstop return
$368
20 Nov – 24 Nov · Breeze Airways
Raleigh-Durham International Airport (RDU) → Long Island MacArthur Airport (ISP)
Leaves 12:50 p.m. · Return leaves 12:00 p.m. · 3 h 16 min of travel, both ways together
out nonstop, back nonstop
found today
Found recently, and the cheapest we hold
$368 20 Nov – 24 Novfound todaySee prices for these dates
$177 30 Oct – 1 Novfound 5 days agoSee prices for these dates
What have prices looked like?
Over 18 days, 26 Sept to 18 Oct, the cheapest return we saw each day was $122 to $269.
At $368, the cheapest return found recently is above that range.
18 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 4 departure dates from 30 Oct to 21 Nov, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 4-night return fares leaving within 3 days of 20 Nov to compare.
Every date we hold
4 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 30 Oct – 1 Nov | $177 | Breeze Airways | Raleigh-Durham International Airport (RDU) → Long Island MacArthur Airport (ISP) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 31 Oct – 1 Nov | $181 | Breeze Airways | Raleigh-Durham International Airport (RDU) → Long Island MacArthur Airport (ISP) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
| 20 Nov – 24 Nov | $368 | Breeze Airways | Raleigh-Durham International Airport (RDU) → Long Island MacArthur Airport (ISP) | out nonstop, back nonstop | found today | See prices for these dates |
| 21 Nov – 24 Nov | $387 | Breeze Airways | Raleigh-Durham International Airport (RDU) → Long Island MacArthur Airport (ISP) | out nonstop, back nonstop | found 5 days ago | See prices for these dates |
Which month looks cheapest?
October 2026 is the cheapest month — from $177.
Airlines on the cheapest dates: Breeze Airways.
Premium cabin fares from Raleigh to Islip
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 20 Nov – 24 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Raleigh to Islip?
Return
The cheapest fares were 7 to 13 days before departure.
From the cheapest return each day between 26 Sept and 18 Oct (18 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 7–13 days | $172 | $172 | Cheapest seen | 9 |
| 30–59 days | $384 | $122 | +123% | 8 |
| 60–89 days | $277 | $277 | +61% | 8 |
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Raleigh → Newburgh
115 km from Islip
$135
$233 less than flying to Islip
2 Dec – 5 Dec · RDU → SWF · out nonstop, back nonstop
found today
Raleigh → New York
77 km from Islip
$230
$138 less than flying to Islip
19 Nov – 21 Nov · RDU → EWR · out 1 stop, back nonstop
found yesterday
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
One-way
Cheapest recent price on each route — one way, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 20 Nov – 24 Nov. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work