$518 Cheap Flights from Roanoke (ROA) to Islip (ISP)

View $518 flight on Sun, Dec 21, 2025Opens in a new window

Popular airlines from Roanoke Regional Airport (ROA) to MacArthur Airport (ISP)

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Cheap Flights from Roanoke to Islip (ROA-ISP)

Prices were available within the past 7 days and start at $518 for one-way flights and $797 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Oct 15 - Tue, Oct 21
ROA
Roanoke
ISP
Islip
$797 Roundtrip, found 2 days ago
$797
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Oct 15 from Roanoke to Islip, returning Tue, Oct 21, priced at $797 found 2 days ago
Delta
Tue, Sep 30 - Tue, Oct 14
ROA
Roanoke
ISP
Islip
$802 Roundtrip, found 4 days ago
$802
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Sep 30 from Roanoke to Islip, returning Tue, Oct 14, priced at $802 found 4 days ago
Delta
Sun, Sep 28 - Tue, Oct 14
ROA
Roanoke
ISP
Islip
$882 Roundtrip, found 4 days ago
$882
Roundtrip
found 4 days ago
Select Delta flight, departing Sun, Sep 28 from Roanoke to Islip, returning Tue, Oct 14, priced at $882 found 4 days ago
Delta
Tue, Sep 23 - Wed, Oct 8
ROA
Roanoke
ISP
Islip
$912 Roundtrip, found 4 days ago
$912
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Sep 23 from Roanoke to Islip, returning Wed, Oct 8, priced at $912 found 4 days ago
Delta
Tue, Sep 23 - Sun, Oct 5
ROA
Roanoke
ISP
Islip
$917 Roundtrip, found 4 days ago
$917
Roundtrip
found 4 days ago
Select Delta flight, departing Tue, Sep 23 from Roanoke to Islip, returning Sun, Oct 5, priced at $917 found 4 days ago
United
Thu, Sep 25 - Tue, Oct 7
ROA
Roanoke
ISP
Islip
$936 Roundtrip, found 4 days ago
$936
Roundtrip
found 4 days ago
Select United flight, departing Thu, Sep 25 from Roanoke to Islip, returning Tue, Oct 7, priced at $936 found 4 days ago
American Airlines
Sat, Nov 22 - Sat, Nov 29
ROA
Roanoke
ISP
Islip
$1,236 Roundtrip, found 3 days ago
$1,236
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Nov 22 from Roanoke to Islip, returning Sat, Nov 29, priced at $1,236 found 3 days ago
American Airlines
Sat, Nov 22 - Sat, Nov 29
ROA
Roanoke
ISP
Islip
$1,262 Roundtrip, found 3 days ago
$1,262
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Nov 22 from Roanoke to Islip, returning Sat, Nov 29, priced at $1,262 found 3 days ago

Frequently asked questions

How much does a flight from Roanoke Regional Airport (ROA) to MacArthur Airport (ISP) cost?
Snag a cheap one-way flight from $518 or cheap return flight from $797 from Roanoke Regional Airport (ROA) to MacArthur Airport (ISP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Roanoke Regional Airport (ROA) to MacArthur Airport (ISP)?
The cheapest month to fly from ROA to ISP is October, when there's less demand. Off-peak months are generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Roanoke Regional Airport (ROA) to MacArthur Airport (ISP)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest ROA to ISP flight.
How many flights per day from Roanoke Regional Airport (ROA) to MacArthur Airport (ISP)?
You'll need to hop on a flight with a layover when traveling from Roanoke Regional Airport (ROA) to MacArthur Airport (ISP). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from ROA to ISP?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can change based on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Roanoke Regional Airport (ROA) to MacArthur Airport (ISP)?
Select a flight from Roanoke Regional Airport (ROA) to MacArthur Airport (ISP) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Islip from Roanoke Regional Airport (ROA)?
Explore your flight options from Roanoke Regional Airport (ROA) to LaGuardia Airport (LGA). This is the only Islip airport you can touch down at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Roanoke Regional Airport (ROA) to MacArthur Airport (ISP) last-minute?
Last-minute fares from ROA to ISP are usually more expensive. To lock in the lowest rates, start searching for flights as early as possible. That being said, if you can play around with your travel dates, it's possible to score a cheap ticket right before your trip.
Is it cheaper to book a ROA to ISP flight and hotel package?
Securing a ROA to ISP flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our wide range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Roanoke Regional Airport (ROA) to MacArthur Airport (ISP)?
If you reserved your ROA to ISP flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Roanoke Regional
Destination airport
MacArthur
Roundtrip price
$796
Distance
439 mi

Book with confidence

Book with confidence

Roanoke to Islip Flights

The cheapest times to fly from Roanoke to Islip

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Roanoke to Islip are during the month of October. You can find some of the cheapest flights from Roanoke to Islip with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Roanoke to Islip

Sunday is one of the best days to book for cheap flights from Roanoke to Islip: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Roanoke to Islip

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Roanoke to Islip in 2025. You can also book with separate airlines for your outbound and return journeys, from $518 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Roanoke to Islip flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Roanoke to Islip airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Roanoke to Islip Flights

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*Available to One Key members.