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Cheap flights from Islip to Raleigh from $51

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Islip to Raleigh departing on 1/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Islip to Raleigh

Cheap round-trip flights

Frontier Logo
5:05 pm - 9:53 amISP-RDU
16h 48m1 stop
Frontier Logo
7:03 pm - 10:40 amRDU-ISP
15h 37m1 stop
$148Frontier
Find Deal
Fri, Sep 12 - Sat, Sep 13
Frontier Logo
5:05 pm - 6:08 pmISP-RDU
25h 03m1 stop
Frontier Logo
9:55 pm - 4:27 pmRDU-ISP
18h 32m1 stop
$150Frontier
Find Deal
Fri, Sep 5 - Thu, Sep 11
Southwest Logo
12:15 pm - 4:00 pmISP-RDU
3h 45m1 stop
Southwest Logo
6:05 am - 11:55 amRDU-ISP
5h 50m1 stop
$157Southwest
Find Deal
Sat, Sep 13 - Tue, Sep 16
Frontier Logo
6:05 am - 11:15 pmISP-RDU
17h 10m1 stop
Frontier Logo
8:23 pm - 10:40 amRDU-ISP
14h 17m1 stop
$162Frontier
Find Deal
Tue, Sep 2 - Mon, Sep 8
Breeze Airways Logo
2:25 pm - 4:04 pmISP-RDU
1h 39mnonstop
Breeze Airways Logo
12:13 pm - 1:45 pmRDU-ISP
1h 32mnonstop
$163Breeze Airways
Find Deal
Mon, Oct 20 - Fri, Oct 24
JetBlue Logo
1:57 pm - 10:06 pmISP-RDU
8h 09m1 stop
JetBlue Logo
7:15 am - 1:02 pmRDU-ISP
5h 47m1 stop
$179JetBlue
Find Deal
Wed, Oct 29 - Sun, Nov 2
Logo
9:49 am - 5:11 pmISP-RDU
7h 22m1 stop
Logo
12:13 pm - 1:45 pmRDU-ISP
1h 32mnonstop
$189
Find Deal
Fri, Sep 5 - Mon, Sep 8
Logo
2:25 pm - 4:04 pmISP-RDU
1h 39mnonstop
Logo
9:35 pm - 10:37 amRDU-ISP
13h 02m1 stop
$200
Find Deal
Fri, Oct 31 - Sun, Nov 2
Southwest Logo
5:30 am - 10:45 amISP-RDU
5h 15m1 stop
Southwest Logo
2:05 pm - 10:05 pmRDU-ISP
8h 00m2 stops
$202Southwest
Find Deal
Wed, Sep 17 - Wed, Sep 17
Breeze Airways Logo
2:25 pm - 4:04 pmISP-RDU
1h 39mnonstop
Breeze Airways Logo
12:13 pm - 1:45 pmRDU-ISP
1h 32mnonstop
$238Breeze Airways
Find Deal
Mon, Oct 13 - Fri, Oct 17

Frontier flights from Islip to Raleigh

Our best Frontier deals on Islip to Raleigh flight tickets
Frontier
Sep 12
ISP5:05 pmIslip Long Island
16h 48m
1 stop
RDU9:53 amRaleigh-Durham
Sep 13
RDU7:03 pmRaleigh-Durham
15h 37m
1 stop
ISP10:40 amIslip Long Island
$148
Find similar
Frontier
Sep 5
ISP5:05 pmIslip Long Island
25h 03m
1 stop
RDU6:08 pmRaleigh-Durham
Sep 11
RDU9:55 pmRaleigh-Durham
18h 32m
1 stop
ISP4:27 pmIslip Long Island
$150
Find similar
Frontier
Sep 2
ISP6:05 amIslip Long Island
17h 10m
1 stop
RDU11:15 pmRaleigh-Durham
Sep 8
RDU8:23 pmRaleigh-Durham
14h 17m
1 stop
ISP10:40 amIslip Long Island
$162
Find similar

Southwest flights from Islip to Raleigh

Our best Southwest deals on Islip to Raleigh flight tickets
Southwest
Sep 13
ISP12:15 pmIslip Long Island
3h 45m
1 stop
RDU4:00 pmRaleigh-Durham
Sep 16
RDU6:05 amRaleigh-Durham
5h 50m
1 stop
ISP11:55 amIslip Long Island
$157
Find similar
Southwest
Sep 17
ISP5:30 amIslip Long Island
5h 15m
1 stop
RDU10:45 amRaleigh-Durham
Sep 17
RDU2:05 pmRaleigh-Durham
8h 00m
2 stops
ISP10:05 pmIslip Long Island
$202
Find similar
Southwest
Aug 29
ISP6:00 amIslip Long Island
4h 30m
1 stop
RDU10:30 amRaleigh-Durham
Sep 1
RDU5:50 amRaleigh-Durham
6h 10m
1 stop
ISP12:00 pmIslip Long Island
$457
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated August 19, 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

Fri 9/12

5:05 pm-9:53 am

1 stop16h 48m

Raleigh-Durham

Sat 9/13

7:03 pm-10:40 am

1 stop15h 37m

$148

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Fri 9/5

5:05 pm-6:08 pm

1 stop25h 03m

Raleigh-Durham

Thu 9/11

9:55 pm-4:27 pm

1 stop18h 32m

$150

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Sat 9/13

12:15 pm-4:00 pm

1 stop3h 45m

Raleigh-Durham

Tue 9/16

6:05 am-11:55 am

1 stop5h 50m

$157

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Tue 9/2

6:05 am-11:15 pm

1 stop17h 10m

Raleigh-Durham

Mon 9/8

8:23 pm-10:40 am

1 stop14h 17m

$162

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Mon 10/20

2:25 pm-4:04 pm

Nonstop1h 39m

Raleigh-Durham

Fri 10/24

12:13 pm-1:45 pm

Nonstop1h 32m

$163

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Wed 10/29

1:57 pm-10:06 pm

1 stop8h 09m

Raleigh-Durham

Sun 11/2

7:15 am-1:02 pm

1 stop5h 47m

$179

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Fri 9/5

9:49 am-5:11 pm

1 stop7h 22m

Raleigh-Durham

Mon 9/8

12:13 pm-1:45 pm

Nonstop1h 32m

$189

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Fri 10/31

2:25 pm-4:04 pm

Nonstop1h 39m

Raleigh-Durham

Sun 11/2

9:35 pm-10:37 am

1 stop13h 02m

$200

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Wed 9/17

5:30 am-10:45 am

1 stop5h 15m

Raleigh-Durham

Wed 9/17

2:05 pm-10:05 pm

2 stops8h 00m

$202

IslipRaleigh

ISP - RDU

ISPRDU

Islip Long Island

Mon 10/13

2:25 pm-4:04 pm

Nonstop1h 39m

Raleigh-Durham

Fri 10/17

12:13 pm-1:45 pm

Nonstop1h 32m

$238

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Raleigh from

How to get the cheapest flight ticket from Islip to Raleigh

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Raleigh?

The cheapest month to fly to Raleigh from Islip is in January. Flight prices, which tend to average around $138, are often lower during this time because this is during the off-season. If you are unable to visit Raleigh during the month of January, then departing from Islip during the month February is also very affordable. Most momondo users find prices during this month for around $142.

What is the cheapest day to depart on your flight to Raleigh?

The cheapest day to depart from Islip to Raleigh is on a Tuesday when prices can be found for as low as $181. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $226. These prices are subject to change though, so be sure to set up a Price Alert for flights to Raleigh.

What is the cheapest time of day to depart on your flight to Raleigh?

In the morning is the cheapest time of day to fly from Islip to Raleigh when you can find flight prices for as low as $190. Flying to Raleigh in the morning is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Raleigh is at noon when prices are around $236.

What is the cheapest Islip Long Island to Raleigh-Durham flight route?

Fly from Islip Long Island to Raleigh-Durham for the best Islip Long Island - Raleigh-Durham flight prices

How far in advance should I book a flight to Raleigh?

You are more likely to see cheaper flights to Raleigh from Islip when booking weeks ahead of your departure date. In general, you can expect to find flights to Raleigh for around $201 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Raleigh from Islip for as low as $123 on momondo.

What cabin class options are available on Islip Long Island to Raleigh-Durham flights?

There are 1 cabin classes available to choose from on Islip Long Island to Raleigh-Durham flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Islip to Raleigh flights?

You could potentially save up to 25% on your flight if you consider stops on a Islip to Raleigh flight.

How have Islip to Raleigh flight prices changed over time?

When to book flights from Islip to Raleigh

Are you open to changing your travel dates? Check out the ideal times to fly from Islip to Raleigh according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Islip to Raleigh (ISP to RDU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip to Raleigh

Best Price Found

$51

Fastest flight time

1h 36m

Direct flights

Tue, Thu and Sat

Airports in Raleigh

1 airport
The best one-way flight to Raleigh from Islip in the past 72 hours is $51. The best round-trip flight deal from Islip to Raleigh found on momondo in the last 72 hours is $148.
The fastest flight from Islip to Raleigh takes 1h 36m
Direct flights go from Islip to Raleigh on Tuesday, Thursday and Saturday. The only airline offering direct flights is Breeze Airways.
There is 1 airport near Raleigh: Raleigh-Durham (RDU)
Search flight deals

  • How far is Islip Long Island to Raleigh-Durham by plane?

    Islip Long Island and Raleigh-Durham are 451.1 mi apart from one another. In terms of flight time, this usually takes a little over 1h 39m.

  • When did momondo last update prices for flights from Islip Long Island Airport to Raleigh-Durham Airport?

    Prices for flights from Islip Long Island Airport to Raleigh-Durham Airport were last updated today.

  • How many operators does momondo search for flights from Islip Long Island Airport to Raleigh-Durham Airport?

  • How old do you have to be to fly from Islip Long Island Airport to Raleigh-Durham Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Islip Long Island Airport to Raleigh-Durham Airport.

  • What documentation or ID do you need to fly to Raleigh-Durham Airport?

    The required travel and health documents for your Raleigh-Durham Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Raleigh-Durham Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Islip to Raleigh?

  • What is the most popular airline from Islip to Raleigh?

Best airlines flying from Islip to Raleigh

Compare and see reviews for airlines that fly from Islip to Raleigh with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $73Free CancellationRating
5.8
3,207 reviews
Search Frontier flights
Breeze AirwaysPriceFrom $101Free CancellationRating
8.0
197 reviews
Search Breeze Airways flights
SouthwestPriceFrom $269Free CancellationRating
8.0
4,246 reviews
Search Southwest flights

  • Breeze Airways Flights From Islip to Raleigh

    Breeze Airways operates around 2 flights from Islip to Raleigh every week. The average price of these flights found in the last 72 hours has been $177, but momondo users have found Breeze Airways deals from Islip to Raleigh from as low as $101 round-trip. Breeze Airways has been scored 8.0/10 in 197 reviews.

Traveling to a place near Raleigh?

Book flights to Raleigh if you plan to visit one of these locations
Durham
Cary
Danville
Rocky Mount
Chapel Hill
Goldsboro
Wilson
Smithfield
Sanford
Pinehurst
South Hill
Garner
Southern Pines
Roanoke Rapids
Dunn
Wake Forest
Morrisville
Henderson
Apex
Oxford

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Raleigh?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Islip to Raleigh. momondo saves you time and could save you money on your trip.

Can I find flights from Islip to Raleigh with flexible booking policies on momondo?

Flights from Islip to Raleigh with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Islip to Raleigh?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Raleigh from Islip.

I’m not ready to book a flight from Islip to Raleigh right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Islip to Raleigh now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Raleigh and let you know when they change.

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