$121 Cheap Flights from Boston (BOS) to Islip (ISP)

View $121 flight on Wed, Dec 17, 2025Opens in a new window

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

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Cheap Flights from Boston to Islip (BOS-ISP)

Prices were available within the past 7 days and start at $121 for one-way flights and $241 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Mon, Nov 24 - Fri, Dec 12
BOS
Boston
ISP
Islip
$241 Roundtrip, found 4 days ago
$241
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Mon, Nov 24 from Boston to Islip, returning Fri, Dec 12, priced at $241 found 4 days ago
JetBlue Airways
Tue, Oct 21 - Mon, Oct 27
BOS
Boston
ISP
Islip
$242 Roundtrip, found 5 days ago
$242
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Tue, Oct 21 from Boston to Islip, returning Mon, Oct 27, priced at $242 found 5 days ago
JetBlue Airways
Mon, Oct 27 - Tue, Nov 18
BOS
Boston
ISP
Islip
$247 Roundtrip, found 1 day ago
$247
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Mon, Oct 27 from Boston to Islip, returning Tue, Nov 18, priced at $247 found 1 day ago
JetBlue Airways
Mon, Oct 27 - Tue, Oct 28
BOS
Boston
ISP
Islip
$252 Roundtrip, found 5 days ago
$252
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Mon, Oct 27 from Boston to Islip, returning Tue, Oct 28, priced at $252 found 5 days ago
JetBlue Airways
Tue, Nov 4 - Tue, Nov 11
BOS
Boston
ISP
Islip
$253 Roundtrip, found 1 day ago
$253
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Nov 4 from Boston to Islip, returning Tue, Nov 11, priced at $253 found 1 day ago
JetBlue Airways
Tue, Nov 18 - Mon, Nov 24
BOS
Boston
ISP
Islip
$257 Roundtrip, found 1 day ago
$257
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Tue, Nov 18 from Boston to Islip, returning Mon, Nov 24, priced at $257 found 1 day ago
JetBlue Airways
Tue, Oct 21 - Sun, Oct 26
BOS
Boston
ISP
Islip
$258 Roundtrip, found 5 days ago
$258
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Tue, Oct 21 from Boston to Islip, returning Sun, Oct 26, priced at $258 found 5 days ago
JetBlue Airways
Wed, Oct 29 - Sun, Nov 9
BOS
Boston
ISP
Islip
$260 Roundtrip, found 6 days ago
$260
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Wed, Oct 29 from Boston to Islip, returning Sun, Nov 9, priced at $260 found 6 days ago
JetBlue Airways
Thu, Oct 30 - Wed, Nov 19
BOS
Boston
ISP
Islip
$262 Roundtrip, found 6 days ago
$262
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Thu, Oct 30 from Boston to Islip, returning Wed, Nov 19, priced at $262 found 6 days ago
Southwest Airlines
Wed, Oct 29 - Tue, Nov 18
BOS
Boston
ISP
Islip
$269 Roundtrip, found 1 day ago
$269
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Oct 29 from Boston to Islip, returning Tue, Nov 18, priced at $269 found 1 day ago

Alternative airports near Islip

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to MacArthur ISP. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $455
ISP
MacArthur
CheapestClosest
Average driving time to city center14 min
Flights from $455

Frequently asked questions

How much does a flight from Logan Intl. Airport (BOS) to MacArthur Airport (ISP) cost?
Secure a cheap one-way flight from $121 or cheap return flight from $241 from Logan Intl. Airport (BOS) to MacArthur Airport (ISP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Logan Intl. Airport (BOS) to MacArthur Airport (ISP)?
November is the most affordable month to fly from BOS to ISP. Timing your trip outside of the busy season is often the key to finding a great deal.
What is the cheapest airline that flies from Logan Intl. Airport (BOS) to MacArthur Airport (ISP)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest BOS to ISP flight.
How many flights per day from Logan Intl. Airport (BOS) to MacArthur Airport (ISP)?
Nonstop flights from Logan Intl. Airport (BOS) to MacArthur Airport (ISP) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from BOS to ISP?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Logan Intl. Airport (BOS) to MacArthur Airport (ISP)?
Book a flight from Logan Intl. Airport (BOS) to MacArthur Airport (ISP) that takes off before 3 PM to reduce the risk of delays and cancellations. Departures after this hour 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 Logan Intl. Airport (BOS)?
If you're taking a direct flight from Logan Intl. Airport (BOS) to Islip, you'll come into land at either LaGuardia Airport (LGA) or John F. Kennedy Intl. Airport (JFK).
Is it cheaper to buy a plane ticket from Logan Intl. Airport (BOS) to MacArthur Airport (ISP) last-minute?
Booking your ticket from BOS to ISP shortly before your getaway is typically more expensive. However, if there's some wiggle room with your travel dates and times, you could land a cheap last-minute fare.
Is it cheaper to book a BOS to ISP flight and hotel package?
Compared with arranging hotels and flights separately, booking a BOS to ISP flight and hotel package with Expedia could result in significant savings. What's more, having it all in one place will take the stress out of planning your trip. Simply secure your flights and choose from our extensive range of hotels, then tailor your trip with other add-ons like car rentals and activities.
Can I cancel or change the date of my flight from Logan Intl. Airport (BOS) to MacArthur Airport (ISP)?
In most cases, you can cancel or modify your BOS to ISP flight. However, there may be additional charges, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need more information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Logan Intl.
Destination airport
MacArthur
Airlines serving
Cape Air, JetBlue Airways, Southwest Airlines
Roundtrip price
$240
Distance
152 mi
Average flight time
1 hour 31 mins

Book with confidence

Book with confidence

Boston to Islip Flights

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

 

The best time to book a flight from Boston to Islip

Sunday is one of the best days to book for cheap flights from Boston 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 Boston 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 Boston to Islip in 2025. You can also book with separate airlines for your outbound and return journeys, from $121 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 Boston 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 Boston 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.

 

Boston to Islip Flights

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*Available to One Key members.