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$94+ Cheap flights from Boston to Islip, NY (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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ISP
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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1. Tell us where you want to go
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2. Select your favorite providers
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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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$187
(JetBlue Airways)

One-way from

$94
(JetBlue)

Popular in

February

Cheapest in

October

Average price

$237
Provider with most accurate pricing for Boston Logan Intl-Islip Long Island flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Islip Long Island flights.
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From Boston Logan Intl to Islip Long Island
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One-way flight from Boston Logan Intl to Islip Long Island
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Highest demand for flights based on searches. 21% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Boston to Islip

Cheapest flights from Boston to Islip
Explore the most affordable flight options available from Boston to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This JetBlue Airways deal was found by Cheapflights users on 2/20. 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 JetBlue Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/138:00 pmBOS - ISP
Nonstop1h 08mJetBlue
Fri 5/166:00 amISP - BOS
Nonstop0h 54mJetBlue
Deal found 2/20$187
This Southwest deal was found by Cheapflights users on 2/19. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/197:20 pmBOS - ISP
1 stop4h 45mSouthwest
Mon 6/235:45 pmISP - BOS
1 stop4h 55mSouthwest
Deal found 2/19$307
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/198:32 pmBOS - ISP
2 stops15h 44mMultiple Airlines
Thu 2/207:25 pmISP - BOS
1 stop14h 41mMultiple Airlines
Deal found 2/19$469

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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Boston

Fly to

Islip

Route

Depart

Return

Price

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Tue 5/13

8:00 pm-9:08 pm

Nonstop1h 08m

Islip Long Island

Fri 5/16

6:00 am-6:54 am

Nonstop0h 54m

$187

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Thu 6/19

7:20 pm-12:05 am

1 stop4h 45m

Islip Long Island

Mon 6/23

5:45 pm-10:40 pm

1 stop4h 55m

$307

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Wed 5/21

8:00 pm-9:08 pm

Nonstop1h 08m

$94

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Thu 3/20

8:10 pm-11:40 pm

1 stop3h 30m

$128

BostonIslip

BOS - ISP

BOSISP

Boston Logan Intl

Fri 2/28

5:52 pm-5:40 pm

1 stop23h 48m

$150

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Compare providers for flights from Boston to Islip

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Islip in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Islip, New York flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Islip, New York flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from Boston to Islip

Get recent, data-driven insights about flights from Boston to Islip including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Boston to Islip, New York (average of $108). Flying from Boston to Islip, New York in November is currently the most expensive (average of $213). 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.

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

Find hourly flight availability from Boston to Islip. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

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.

Rainfall in Islip by month

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

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

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

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).

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated February 20, 2025.
Southwest
8.1
Very good
4,412 reviews

Overall

8.1

Entertainment

7.6

Crew

8.7

Food

7.1

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,412 reviews
Southwest
8.1
Very good
4,412 reviews

Overall

8.1

Entertainment

7.6

Crew

8.7

Food

7.1

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,071 reviews
Southwest
8.1
Very good
4,412 reviews

Overall

8.1

Entertainment

7.6

Crew

8.7

Food

7.1

Boarding

8.2

Comfort

8.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

  • What are the cheapest airlines flying from Boston to Islip, New York round-trip?

    Flying on JetBlue is currently your cheapest option to Islip, New York, with prices starting at $187. Another option worth looking into is Southwest, starting at $307 round trip.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Boston to Islip, New York (average of $108). Flying from Boston to Islip, New York in November is currently the most expensive (average of $213). 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.

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Top airline flying from Boston to Islip

Discover the top airline that operate flights from Boston to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$258Average$341FlexibilityNo cancel feeOn-time63%
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