In terms of precipitation, rainfall in Roanoke ranges from 2.9 - 4.1 inches per month. May is typically the wettest month, when rainfall can reach 4.1 in. January is typically the driest time to visit Roanoke when rainfall is around 2.9 in.

If weather is an important factor for your trip to Roanoke, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 37.4 F).

How far in advance should I book a flight from Islip to Roanoke?

To save on the cost of your flight from Islip to Roanoke, book at least 41 days before your planned departure. Booking around this time can save you about 55% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $338 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $385.

What is the cheapest month to fly from Islip to Roanoke?

The best pricing can be found in the month of August. Prices to Roanoke from Islip average $396. You can even find prices in August for less than $396, as users have found deals to Roanoke from as low as $239. The month of December appears to be one of the more expensive times to travel to Roanoke from Islip. Flying in the targeted month can save you up to 19%.

What is the cheapest time of day to fly from ISP to ROA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip to Roanoke as you normally would.

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

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

How can I find direct flights from Islip to Roanoke?

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

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

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

$378+ Cheap Flights from Islip to Roanoke

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Cheap flight deals from Islip to Roanoke

Round-trip from	$368 (Kiwi.com)
Popular in	December
Cheapest in	August
Average price	$395

From Islip Long Island to Roanoke

Search Deals

Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

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Cheapest flights from Islip to Roanoke
Explore the most affordable flight options available from Islip to Roanoke. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Fri 9/194:33 pmISP - ROA

2 stops30h 51mMultiple Airlines

Sun 9/215:40 pmROA - ISP

2 stops19h 44mMultiple Airlines

Deal found 9/13

$1,208

Last-minute flights from Islip to Roanoke
Discover last-minute flight deals from Islip to Roanoke. Data last updated September 15, 2025 and is based on user searches.

Fri 9/194:33 pmISP - ROA

2 stops30h 51mMultiple Airlines

Sun 9/215:40 pmROA - ISP

2 stops19h 44mMultiple Airlines

Deal found 9/13

$1,208

One-way flights from Islip to Roanoke
Search for one-way flight options from Islip to Roanoke. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Sun 11/308:25 pmISP - ROA

1 stop18h 24mMultiple Airlines

Deal found 9/15

$378

Sat 9/207:32 pmISP - ROA

3 stops46h 11mMultiple Airlines

Deal found 9/15

$417

Thu 10/237:30 amISP - ROA

3 stops37h 03mMultiple Airlines

Deal found 9/14

$583

Fly from

Fly to

Route

Depart

Return

Price

IslipRoanoke

ISP - ROA

ISPROA

Islip Long Island

Sat 9/20

7:32 pm-5:43 pm

3 stops46h 11m

$417

IslipRoanoke

ISP - ROA

ISPROA

Islip Long Island

Sun 11/30

8:25 pm-8:06 pm

3 stops23h 41m

$471

IslipRoanoke

ISP - ROA

ISPROA

Islip Long Island

Thu 10/23

7:30 am-8:33 pm

3 stops37h 03m

$583

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Best time to book a flight from Islip to Roanoke

Have a flexible travel schedule? Discover the best time to fly to Roanoke from Islip 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.

Cheapflights Insights

Everything you need to know about your flight from Islip to Roanoke

What is the cheapest month to book a flight from Islip to Roanoke?

Currently, January is the cheapest month in which you can book a flight from Islip to Roanoke (average of $338). Flying from Islip to Roanoke in December is currently the most expensive (average of $475). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Can I find deals for flights from Islip to Roanoke that include hotel bookings?
Yes. In addition to deals on Islip to Roanoke flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Islip to Roanoke?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Islip to Roanoke.
Can I find deals for business class flights from Islip to Roanoke?
Yes. Cheapflights offers flight deals from Islip to Roanoke by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Islip to Roanoke?
Currently, January is the cheapest month in which you can book a flight from Islip to Roanoke (average of $338). Flying from Islip to Roanoke in December is currently the most expensive (average of $475). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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$378+ Cheap flights from Islip to Roanoke (ISP - ROA)

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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Islip to Roanoke with Cheapflights

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Cheap flight deals from Islip to Roanoke

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Cheapest flights from Islip to RoanokeExplore the most affordable flight options available from Islip to Roanoke. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Explore the most affordable flight options available from Islip to Roanoke. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

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Use the filters below to find and compare flights from Islip to Roanoke that are best for you.

Best time to book a flight from Islip to Roanoke

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

Cheapflights Insights

Everything you need to know about your flight from Islip to Roanoke

What is the cheapest month to book a flight from Islip to Roanoke?

Related info for your journey

Find useful and relevant information for your journey from Islip to Roanoke. 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 Islip to Roanoke that include hotel bookings?

How can I find direct flights from Islip to Roanoke?

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

What is the cheapest month to book a flight from Islip to Roanoke?

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Cheapest flights from Islip to Roanoke
Explore the most affordable flight options available from Islip to Roanoke. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.