$287 Cheap Flights from Islip (ISP) to Rockland (RKD)

View $287 flight on Tue, May 13, 2025Opens in a new window

Popular airlines from MacArthur Airport (ISP) to Rockland, ME (RKD-Knox County Regional)

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Cheap Flights from Islip to Rockland (ISP-RKD)

Prices were available within the past 7 days and start at $287 for one-way flights and $530 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Sat, May 31 - Sun, Jun 1
ISP
Islip
RKD
Rockland
$530 Roundtrip, found 6 days ago
$530
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Sat, May 31 from Islip to Rockland, returning Sun, Jun 1, priced at $530 found 6 days ago
JetBlue Airways
Sat, May 31 - Sun, Jun 1
ISP
Islip
RKD
Rockland
$554 Roundtrip, found 6 days ago
$554
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Sat, May 31 from Islip to Rockland, returning Sun, Jun 1, priced at $554 found 6 days ago
JetBlue Airways
Thu, Jun 26 - Mon, Jun 30
ISP
Islip
RKD
Rockland
$574 Roundtrip, found 6 days ago
$574
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Thu, Jun 26 from Islip to Rockland, returning Mon, Jun 30, priced at $574 found 6 days ago
Flights from Islip (ISP) to Rockland (RKD)
Origin airport
MacArthur
Destination airport
Knox County Regional
Roundtrip price
$529
Distance
304 mi

Islip to Rockland Flights

The cheapest times to fly from Islip to Rockland

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 Islip to Rockland are during the month of May. You can find some of the cheapest flights from Islip to Rockland with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Islip to Rockland

Sunday is one of the best days to book for cheap flights from Islip to Rockland: 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 Islip to Rockland

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 Islip to Rockland in 2025. You can also book with separate airlines for your outbound and return journeys, from $287 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 Islip to Rockland 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 Islip to Rockland 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.

 

Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Knox County Regional Airport (RKD) cost?
Discover the latest flight deals from ISP to RKD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ISP to RKD?
The cheapest flights from ISP to RKD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from ISP to RKD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from ISP to RKD. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from MacArthur Airport (ISP) to Knox County Regional Airport (RKD)?
There are no daily direct flights departing from MacArthur Airport (ISP) to Knox County Regional Airport (RKD). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you’ll be soaring above the clouds in no time.
What day of the week has the most flights from ISP to RKD?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change based on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from MacArthur Airport (ISP) to Knox County Regional Airport (RKD)?
To avoid possible delays on the MacArthur Airport (ISP) to Knox County Regional Airport (RKD) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**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.
Is it cheaper to buy a plane ticket from MacArthur Airport (ISP) to Knox County Regional Airport (RKD) last-minute?
Last-minute bookings from ISP to RKD are generally more expensive. To lock in the best rates, start searching for flights early. That being said, if you’re flexible with your travel plans, it’s possible to land a cheap fare right before your journey.
Is it cheaper to book an ISP to RKD flight and hotel package?
Opting for an ISP to RKD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Pick from our extensive range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Knox County Regional Airport (RKD)?
If you booked your ISP to RKD flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare 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, visit our Customer Service portal for more details.

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*Available to One Key members.