$157 Cheap Flights from Islip (ISP) to Boston (BOS)

View $157 flight on Mon, Jun 8, 2026Opens in a new window

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

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Cheap Flights from Islip to Boston (ISP-BOS)

Prices were available within the past 7 days and start at $157 for one-way flights and $313 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, Apr 21 - Wed, Apr 29
ISP
Islip
BOS
Boston
$313 Roundtrip, found 6 days ago
$313
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Tue, Apr 21 from Islip to Boston, returning Wed, Apr 29, priced at $313 found 6 days ago
JetBlue Airways
Mon, Mar 30 - Mon, Apr 6
ISP
Islip
BOS
Boston
$318 Roundtrip, found 5 days ago
$318
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Mon, Mar 30 from Islip to Boston, returning Mon, Apr 6, priced at $318 found 5 days ago
Southwest Airlines
Tue, Apr 21 - Thu, Apr 23
ISP
Islip
BOS
Boston
$327 Roundtrip, found 22 hours ago
$327
Roundtrip
found 22 hours ago
Select Southwest Airlines flight, departing Tue, Apr 21 from Islip to Boston, returning Thu, Apr 23, priced at $327 found 22 hours ago
Southwest Airlines
Tue, Apr 21 - Thu, Apr 23
ISP
Islip
BOS
Boston
$337 Roundtrip, found 22 hours ago
$337
Roundtrip
found 22 hours ago
Select Southwest Airlines flight, departing Tue, Apr 21 from Islip to Boston, returning Thu, Apr 23, priced at $337 found 22 hours ago
Southwest Airlines
Tue, Apr 21 - Thu, Apr 23
ISP
Islip
BOS
Boston
$347 Roundtrip, found 22 hours ago
$347
Roundtrip
found 22 hours ago
Select Southwest Airlines flight, departing Tue, Apr 21 from Islip to Boston, returning Thu, Apr 23, priced at $347 found 22 hours ago
JetBlue Airways
Tue, May 19 - Tue, Jun 2
ISP
Islip
BOS
Boston
$353 Roundtrip, found 3 days ago
$353
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Tue, May 19 from Islip to Boston, returning Tue, Jun 2, priced at $353 found 3 days ago
Southwest Airlines
Sun, Aug 9 - Sun, Aug 16
ISP
Islip
BOS
Boston
$357 Roundtrip, found 1 hour ago
$357
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Sun, Aug 9 from Islip to Boston, returning Sun, Aug 16, priced at $357 found 1 hour ago
JetBlue Airways
Tue, May 19 - Wed, Jun 3
ISP
Islip
BOS
Boston
$358 Roundtrip, found 3 days ago
$358
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Tue, May 19 from Islip to Boston, returning Wed, Jun 3, priced at $358 found 3 days ago
JetBlue Airways
Mon, Jun 8 - Thu, Jun 11
ISP
Islip
BOS
Boston
$360 Roundtrip, found 6 days ago
$360
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Mon, Jun 8 from Islip to Boston, returning Thu, Jun 11, priced at $360 found 6 days ago
Southwest Airlines
Thu, Jun 4 - Sun, Jun 7
ISP
Islip
BOS
Boston
$363 Roundtrip, found 21 hours ago
$363
Roundtrip
found 21 hours ago
Select Southwest Airlines flight, departing Thu, Jun 4 from Islip to Boston, returning Sun, Jun 7, priced at $363 found 21 hours ago

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Alternative airports near Boston

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

Select flight to Logan Intl. BOS. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $429
BOS
Logan Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $429

Frequently asked questions

How much does a flight from Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.) cost?
You can find cheap one-way flights from $157 and cheap return flights from $313 Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.) with Expedia. One-way flights typically cost between $253 and $610, and return flights often range between $384 and $885. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.)?
The cheapest month to fly from ISP to BOS is April when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.)?
Enter ISP to BOS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.)?
Frontier Airlines is one of the cheapest airlines offering connecting flights from Islip (ISP) to Boston (BOS), starting from around $416. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.)?
To find a cheap flight from Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.)?
The best airline to fly with from Islip, NY (ISP) to Boston, MA (BOS) will differ from traveler to traveler. If you like to fly early, 9K offers early morning flights. If price is the most important factor, 9K typically offers the lowest fares. JetBlue Airways offers the most daily flights from ISP to BOS, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.)?
You can find approximately 3 nonstop flights per day from MacArthur (ISP) to Logan Intl. (BOS). For more options, look at flights that include layovers.
What is the earliest flight from Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.)?
The earliest flight from Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.) typically departs at around 5:30 AM local time, operated by Southwest Airlines. This seasonal service is available in October, allowing you to make the most of your day in Boston. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.)?
The most popular departure times for flights from Islip (ISP) to Boston (BOS) are in the early morning, from 6am to 9am. About 30% of passengers prefer this time window. Many major carriers, including Southwest Airlines and JetBlue Airways, offer flights during this window. This timing works well because it allows you to start your day early and make the most of your time in Boston.
How long does it take to fly from Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.)?
Direct flights from ISP to BOS usually take about 1 hour 30 minutes, traveling roughly 153 miles. If you opt for a connecting flight, expect to add around 4 hours 50 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.)?
Select the "Business class" and "First class" filters when looking for ISP to BOS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.) flight with Expedia?
It's easy to earn miles on a Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Boston from MacArthur (ISP)?
If you're planning to travel to Boston from MacArthur (ISP), you can fly into Logan Intl. (BOS) Some flights may connect through major hubs like Baltimore Washington Intl. Thurgood Marshall (BWI), Tampa Intl. (TPA) before reaching Boston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.) at the last minute?
Typically, booking a last minute flight from Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.) flight and hotel package?
Securing a Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.) Boston Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities 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 Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.)?
If you booked your Islip, NY (ISP-MacArthur) to Boston, MA (BOS-Logan Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
MacArthur
Destination airport
Logan Intl.
Airlines serving
Cape Air, JetBlue Airways, Southwest Airlines
Roundtrip price
$312
Distance
152 mi
Average flight time
1 hour 25 mins

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 April. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $157 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

*Flight schedules are subject to change.

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*Available to One Key members.