HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

$186+ Cheap flights from Boston to Islip (BOS - ISP)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ISP
Jul 31 — Aug 71
From?
To?
Mi 7/31
Mi 8/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Leverage Cheapflights for Your Next Trip

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Boston to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated Juli 26, 2024.

Round-trip from

$236
(KAYAK)

One-way from

$186
(KAYAK)
From Boston Logan Intl to Islip Long Island
Search Deals
One-way flight from Boston Logan Intl to Islip Long Island
Search Deals

How far in advance should I book a flight from Boston to Islip, New York?

Users have found that booking a flight from Boston to Islip, New York at least 42 days early can save you up to 206% on average compared to booking a flight this week. If booking 42 days before your flight isn’t an option for you, users have found flights from Boston to Islip, New York for as little as $146 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $318 for flights departing within the next 3 days.

What is the cheapest month to fly from Boston to Islip, New York?

Flights from Boston to Islip, New York lean towards being more expensive in April. Prices are generally better when you fly from Boston to Islip, New York in January, with the cheapest ticket starting at $86.

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

When flying from Boston to Islip, New York, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap Boston to Islip flights in July & August 2024

Find cheap flight options from Boston to Islip specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on Juli 26, 2024.
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 8/229:59 amBOS - ISP
1 stop23h 14mMultiple Airlines
So 8/251:05 pmISP - BOS
1 stop25h 15mMultiple Airlines
Deal found 7/25$236
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 8/2210:25 amBOS - ISP
2 stops22h 48mMultiple Airlines
So 8/251:05 pmISP - BOS
1 stop25h 15mMultiple Airlines
Deal found 7/25$259
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 8/710:33 amBOS - ISP
1 stop25h 52mMultiple Airlines
Fr 8/95:47 pmISP - BOS
2 stops29h 51mMultiple Airlines
Deal found 7/25$325
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 8/2210:25 amBOS - ISP
2 stops22h 48mMultiple Airlines
So 8/252:05 pmISP - BOS
2 stops20h 01mMultiple Airlines
Deal found 7/25$406
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 8/710:33 amBOS - ISP
1 stop25h 52mMultiple Airlines
Fr 8/91:57 pmISP - BOS
3 stops35h 02mMultiple Airlines
Deal found 7/25$462
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 8/710:33 amBOS - ISP
1 stop25h 52mMultiple Airlines
Fr 8/93:35 pmISP - BOS
1 stop24h 59mMultiple Airlines
Deal found 7/25$489

Boston to Islip 2024 flight deals

Discover exclusive flight deals for travel between Boston and Islip in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated Juli 26, 2024.
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 8/229:59 amBOS - ISP
1 stop23h 14mMultiple Airlines
So 8/251:05 pmISP - BOS
1 stop25h 15mMultiple Airlines
Deal found 7/25$236
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 8/2210:25 amBOS - ISP
2 stops22h 48mMultiple Airlines
So 8/251:05 pmISP - BOS
1 stop25h 15mMultiple Airlines
Deal found 7/25$259
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 8/710:33 amBOS - ISP
1 stop25h 52mMultiple Airlines
Fr 8/95:47 pmISP - BOS
2 stops29h 51mMultiple Airlines
Deal found 7/25$325
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Do 8/2210:25 amBOS - ISP
2 stops22h 48mMultiple Airlines
So 8/252:05 pmISP - BOS
2 stops20h 01mMultiple Airlines
Deal found 7/25$406
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 8/710:33 amBOS - ISP
1 stop25h 52mMultiple Airlines
Fr 8/91:57 pmISP - BOS
3 stops35h 02mMultiple Airlines
Deal found 7/25$462
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mi 8/710:33 amBOS - ISP
1 stop25h 52mMultiple Airlines
Fr 8/93:35 pmISP - BOS
1 stop24h 59mMultiple Airlines
Deal found 7/25$489

One-way flights to Islip from Boston

Search for one-way flight options from Boston to Islip. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated Juli 26, 2024.
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 8/410:33 amBOS - ISP
1 stop28h 21mMultiple Airlines
Deal found 7/25$186
This KAYAK deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 8/186:10 amBOS - ISP
2 stops32h 44mMultiple Airlines
Deal found 7/24$211
This KAYAK deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
So 8/45:30 amBOS - ISP
2 stops33h 24mMultiple Airlines
Deal found 7/25$460

Find flights from Boston to Islip within your budget

Customize your flight search to find flights from Boston to Islip that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated Juli 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$236 - $489

Route

Depart

Return

Price

Boston Logan IntlIslip Long Island

BOS - ISP

BOSISP

Boston Logan Intl

Do 8/22

1 stop23h 14m

Islip Long Island

So 8/25

1 stop25h 15m

$236

Boston Logan IntlIslip Long Island

BOS - ISP

BOSISP

Boston Logan Intl

Do 8/22

2 stops22h 48m

Islip Long Island

So 8/25

1 stop25h 15m

$259

Boston Logan IntlIslip Long Island

BOS - ISP

BOSISP

Boston Logan Intl

Mi 8/7

1 stop25h 52m

Islip Long Island

Fr 8/9

2 stops29h 51m

$325

Boston Logan IntlIslip Long Island

BOS - ISP

BOSISP

Boston Logan Intl

Do 8/22

2 stops22h 48m

Islip Long Island

So 8/25

2 stops20h 01m

$406

Boston Logan IntlIslip Long Island

BOS - ISP

BOSISP

Boston Logan Intl

Mi 8/7

1 stop25h 52m

Islip Long Island

Fr 8/9

3 stops35h 02m

$462

Boston Logan IntlIslip Long Island

BOS - ISP

BOSISP

Boston Logan Intl

Mi 8/7

1 stop25h 52m

Islip Long Island

Fr 8/9

1 stop24h 59m

$489

Flights are sorted by cheapest first

Deals found on 7/25

No data available for this route at this time. Please check back soon.

Best time to book a flight from Boston to Islip

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

Temperature and rainfall in Islip by month

Plan your trip to Islip by taking into account the average temperature and rainfall totals by month.

NYC

Temperature

33.8 - 77 °F

If weather is an important factor for your trip to Islip, New York, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Related info for your journey

Find useful and relevant information for your journey from Boston to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Boston to Islip, New York for under $300 on Cheapflights?

    Yes, there are multiple flights from Boston to Islip, New York for under $300. The cheapest flight booked recently is on Multiple Airlines for just $236, but on average you can expect to pay $362.

  • What does BOS to ISP mean?

    Boston Logan Intl Airport is BOS and Islip Long Island Airport is ISP. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Boston to Islip that include extra baggage allowance?

    The amount of baggage you can bring on your Boston to Islip flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Boston to Islip with specific airlines?

    Yes, Cheapflights allows you to browse and filter Boston to Islip flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Boston to Islip?

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

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

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

  • Can I find deals for flights from Boston to Islip that allow pets onboard?

    Many airlines flying from Boston to Islip offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Boston to Islip?

    Yes, you can often find last-minute deals on Boston to Islip flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Boston to Islip, New York flight deals updated?

    The Boston to Islip, New York flight deals you see on this page were last updated on 7/25.

  • What is the cheapest month to book a flight from Boston to Islip, New York?

    Currently, December is the cheapest month in which you can book a flight from Boston to Islip, New York (average of $78). Flying from Boston to Islip, New York in July is currently the most expensive (average of $173). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Islip
See prices for flight routes from nearby airports that may be better suited for you.

Boston to Newark flights
Boston to John F Kennedy Intl flights
Boston to LaGuardia flights
Boston to Buffalo flights
Boston to Rochester flights
Boston to Stewart flights
Boston to Syracuse flights
Hyannis to John F Kennedy Intl flights
West Tisbury to LaGuardia flights
Hartford to LaGuardia flights
West Tisbury to John F Kennedy Intl flights
Hyannis to LaGuardia flights
Nantucket to John F Kennedy Intl flights
Hartford to John F Kennedy Intl flights
Worcester to John F Kennedy Intl flights
Hartford to Newark flights
Nantucket to LaGuardia flights
Boston to White Plains flights
West Tisbury to Newark flights
Hartford to Buffalo flights
Albany to John F Kennedy Intl flights
Worcester to Newark flights
Albany to LaGuardia flights
Nantucket to Newark flights
Hyannis to Newark flights
Albany to Buffalo flights
Albany to Newark flights
Boston to Albany flights
Hartford to Rochester flights
Boston to Ithaca flights
Boston to Rutland flights
West Tisbury to White Plains flights
Hartford to Syracuse flights
Worcester to Buffalo flights
Boston to Saranac Lake flights
Hartford to Stewart flights
Boston to Niagara Falls flights
Boston to Massena flights
West Tisbury to Buffalo flights
Boston to Watertown flights
Hartford to White Plains flights
Nantucket to White Plains flights
Provincetown to LaGuardia flights
Provincetown to Newark flights
Boston to Binghamton flights
Hartford to Elmira flights
Boston to Ogdensburg flights
Albany to Rochester flights
Minneapolis to Dallas flights
Orlando to Fort Lauderdale flights
Seattle to San Diego flights
USA to New Zealand flights
Phoenix to Orlando flights
USA to Tokyo flights
New York to North Carolina flights
Minneapolis to Los Angeles flights
New York to Bangkok flights
Detroit to Denver flights
Chicago to Houston flights
Boston to Istanbul Airport flights

Search flights from Boston to Islip by cabin class

Find flights from Boston to Islip, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Abha
Flights to Komatsu
Flights to Skardu
Flights to Laayoune Hassan I
Flights to Aqaba King Hussein Intl
Flights to Nampula
Flights to Bourgas
Flights to Riverton
Flights to Alpena Phelps/Collins
Flights to Palmas
Flights to Newport State
Flights to Antofagasta Cerro Moreno
Flights to Nuku‘alofa Fua'Amotu Intl
Flights to Ndola
Flights to Fort Dodge
Flights to Miri
Flights to Rhinelander Oneida County
Flights to Seattle Lake Union Spb
Flights to Portsmouth Pease Intl
Flights to Tumbes
Flights to Jigiga
Flights to Diyarbakir
Flights to Akureyri
Flights to Brainerd Crow Wing County
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines