$137 Cheap Flights from Islip (ISP) to Boston (BOS)

View $137 flight on Fri, Oct 3, 2025Opens in a new window

Popular airlines from MacArthur Airport (ISP) to Logan International Airport (BOS)

Cheap Flights from Islip to Boston (ISP-BOS)

Prices were available within the past 7 days and start at $137 for one-way flights and $244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sun, Dec 7 - Tue, Dec 9
ISP
Islip
BOS
Boston
$244 Roundtrip, found 3 days ago
$244
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Sun, Dec 7 from Islip to Boston, returning Tue, Dec 9, priced at $244 found 3 days ago
JetBlue Airways
Mon, Oct 27 - Thu, Oct 30
ISP
Islip
BOS
Boston
$246 Roundtrip, found 5 days ago
$246
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Mon, Oct 27 from Islip to Boston, returning Thu, Oct 30, priced at $246 found 5 days ago
JetBlue Airways
Tue, Nov 11 - Mon, Nov 24
ISP
Islip
BOS
Boston
$247 Roundtrip, found 3 hours ago
$247
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Tue, Nov 11 from Islip to Boston, returning Mon, Nov 24, priced at $247 found 3 hours ago
JetBlue Airways
Wed, Nov 5 - Wed, Nov 12
ISP
Islip
BOS
Boston
$252 Roundtrip, found 6 days ago
$252
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Wed, Nov 5 from Islip to Boston, returning Wed, Nov 12, priced at $252 found 6 days ago
JetBlue Airways
Tue, Nov 11 - Thu, Nov 13
ISP
Islip
BOS
Boston
$253 Roundtrip, found 3 hours ago
$253
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Tue, Nov 11 from Islip to Boston, returning Thu, Nov 13, priced at $253 found 3 hours ago
JetBlue Airways
Mon, Nov 3 - Tue, Nov 4
ISP
Islip
BOS
Boston
$254 Roundtrip, found 1 day ago
$254
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Mon, Nov 3 from Islip to Boston, returning Tue, Nov 4, priced at $254 found 1 day ago
Southwest Airlines
Thu, Oct 2 - Tue, Oct 7
ISP
Islip
BOS
Boston
$255 Roundtrip, found 4 days ago
$255
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Thu, Oct 2 from Islip to Boston, returning Tue, Oct 7, priced at $255 found 4 days ago
JetBlue Airways
Thu, Nov 13 - Mon, Nov 24
ISP
Islip
BOS
Boston
$257 Roundtrip, found 3 hours ago
$257
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Thu, Nov 13 from Islip to Boston, returning Mon, Nov 24, priced at $257 found 3 hours ago
JetBlue Airways
Tue, Nov 11 - Wed, Nov 19
ISP
Islip
BOS
Boston
$260 Roundtrip, found 3 hours ago
$260
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Tue, Nov 11 from Islip to Boston, returning Wed, Nov 19, priced at $260 found 3 hours ago
JetBlue Airways
Thu, Nov 13 - Sun, Nov 16
ISP
Islip
BOS
Boston
$263 Roundtrip, found 3 hours ago
$263
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Thu, Nov 13 from Islip to Boston, returning Sun, Nov 16, priced at $263 found 3 hours ago

Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Logan Intl. Airport (BOS) cost?
Lock in a cheap one-way flight from $137 or cheap return flight from $244 from MacArthur Airport (ISP) to Logan Intl. Airport (BOS) 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 MacArthur Airport (ISP) to Logan Intl. Airport (BOS)?
The cheapest month to fly from ISP to BOS is December, when demand is low. Off-peak months are often when airlines offer better prices between these airports.
Which airlines fly direct from MacArthur Airport (ISP) to Logan Intl. Airport (BOS)?
Although Islip, NY (ISP-MacArthur) doesn't have any direct flights to Logan Intl. Airport (BOS), other airports have nonstop options. Departing from John F. Kennedy Intl. Airport (JFK) will get you to Boston without any detours.
What is the cheapest airline that flies from MacArthur Airport (ISP) to Logan Intl. Airport (BOS)?
To find the cheapest airline that'll fly you from ISP to BOS, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from MacArthur Airport (ISP) to Logan Intl. Airport (BOS)?
There aren't any daily nonstop flights from MacArthur Airport (ISP) to Logan Intl. Airport (BOS). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be cruising above the clouds in no time.
What day of the week has the most flights from ISP to BOS?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change based on a range of factors, such as the time of year and carrier.*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 Logan Intl. Airport (BOS)?
To avoid potential delays on the MacArthur Airport (ISP) to Logan Intl. Airport (BOS) route, travel before 3 PM. Flights after this time have a 22% higher chance of being 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.
Is it cheaper to buy a plane ticket from MacArthur Airport (ISP) to Logan Intl. Airport (BOS) last-minute?
Waiting until just before your departure to book a flight from ISP to BOS often results in higher prices. While you might find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans for the best chance of scoring a bargain.
Is it cheaper to book an ISP to BOS flight and hotel package?
You'll generally save money by booking an ISP to BOS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've chosen your preferred accommodations and flights, consider adding extras like car rentals, activities and tours.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Logan Intl. Airport (BOS)?
If you booked your ISP to BOS flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type 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, go to our Customer Service portal for more details.

Travel information

Travel information

Origin airport
MacArthur
Destination airport
Logan Intl.
Airlines serving
Cape Air, JetBlue Airways, Southwest Airlines
Roundtrip price
$243
Distance
152 mi
Average flight time
1 hour 27 mins

Book with confidence

Book with confidence

Islip to Boston Flights

The cheapest times to fly from Islip to Boston

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

 

The best time to book a flight from Islip to Boston

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

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 Boston in 2025. You can also book with separate airlines for your outbound and return journeys, from $137 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 Boston 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 Boston 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.

 

Islip to Boston Flights

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*Available to One Key members.