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Islip

$544+ Cheap flights from Roanoke to Islip, NY (ROA - ISP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/21. Fares are subject to change and may not be available on all flights or dates of travel.
ROA — ISP
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Roanoke to Islip

Cheapest flights from Roanoke to Islip
Explore the most affordable flight options available from Roanoke to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This United deal was found by Cheapflights users on 7/26. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/145:51 pm
ROA
-
ISP
2 stops17h 14m
Multiple Airlines
Tue 10/209:59 am
ISP
-
ROA
2 stops23h 49m
Multiple Airlines
Deal found 7/26$877
This United deal was found by Cheapflights users on 7/26. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:15 am
ROA
-
ISP
2 stops14h 00m
Multiple Airlines
Wed 8/197:31 am
ISP
-
ROA
2 stops16h 13m
Multiple Airlines
Deal found 7/26$982
This United deal was found by Cheapflights users on 7/25. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/15:52 pm
ROA
-
ISP
2 stops16h 38m
Multiple Airlines
Wed 8/510:05 am
ISP
-
ROA
2 stops10h 58m
Multiple Airlines
Deal found 7/25$1,057

Find flight deals from Roanoke to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Roanoke (ROA) 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$877
(United)

One-way from

$544
(United)

Popular in

November

Cheapest in

September

Average price

$349
Provider with most accurate pricing for Roanoke-Islip Long Island flight deals.
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Provider most trusted by Cheapflights users for Roanoke-Islip Long Island flights.
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From Roanoke to Islip Long Island
Search Deals
One-way flight from Roanoke to Islip Long Island
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Highest demand for flights based on searches. 17% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Roanoke 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 2,558,603 searches. Data last updated July 27, 2026.
Use the filters below to find and compare flights from Roanoke to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

RoanokeIslip

ROA - ISP

ROAISP

Roanoke

Wed 10/14

5:51 pm-11:05 am

2 stops17h 14m

Islip Long Island

Tue 10/20

9:59 am-9:48 am

2 stops23h 49m

$877
Cheapest one-way
Quickest one-way

RoanokeIslip

ROA - ISP

ROAISP

Roanoke

Mon 9/21

6:40 am-5:41 pm

2 stops11h 01m

$544

RoanokeIslip

ROA - ISP

ROAISP

Roanoke

Tue 10/13

5:51 pm-7:45 pm

2 stops25h 54m

$549

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Roanoke-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 Roanoke-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Roanoke-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Roanoke-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 Roanoke-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 Roanoke to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Roanoke with our price prediction graph.
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.

Related info for your journey

Find useful and relevant information for your journey from Roanoke to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Roanoke to Islip that include hotel bookings?

    Yes. In addition to deals on Roanoke to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Roanoke to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Roanoke to Islip.

  • Can I find deals for business class flights from Roanoke to Islip?

    Yes. Cheapflights offers flight deals from Roanoke to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead

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