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$115+ Cheap flights from Islip, NY to Boston (ISP - BOS)

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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — BOS
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheap flight deals from Islip to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Boston (BOS). 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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$229
(Southwest)

One-way from

$115
(Southwest)

Popular in

December

Cheapest in

October

Average price

$283

Good round-trip deal

$157 or less

Good one-way deal

$108 or less
Provider with most accurate pricing for Islip Long Island-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for Islip Long Island-Boston Logan Intl flights.
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From Islip Long Island to Boston Logan Intl
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One-way flight from Islip Long Island to Boston Logan Intl
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Highest demand for flights based on searches. 34% potential increase in price ($155 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Islip Long Island to Boston Logan Intl.
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Price to beat on a one-way flight from Islip Long Island to Boston Logan Intl.
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Find flight deals from Islip to Boston

Cheapest flights from Islip to Boston
Explore the most affordable flight options available from Islip to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Southwest deal was found by Cheapflights users on 4/28. 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.
Wed 5/286:10 amISP - BOS
1 stop4h 10mSouthwest
Wed 6/47:30 amBOS - ISP
1 stop4h 55mSouthwest
Deal found 4/28$229
This JetBlue deal was found by Cheapflights users on 4/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/41:41 pmISP - BOS
1 stop10h 12mJetBlue
Sat 6/76:30 amBOS - ISP
1 stop10h 20mJetBlue
Deal found 4/28$353
This Mytrip deal was found by Cheapflights users on 4/28. 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.
Tue 5/201:55 pmISP - BOS
2 stops31h 55mMultiple Airlines
Thu 5/2210:04 amBOS - ISP
3 stops24h 00mMultiple Airlines
Deal found 4/28$561

Cheapflights Fare Finder

Customize your flight search to find flights from Islip to Boston 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 April 29, 2025.
Use the filters below to find and compare flights from Islip to Boston that are best for you.

Fly from

Islip

Fly to

Boston

Route

Depart

Return

Price

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Wed 5/28

6:10 am-10:20 am

1 stop4h 10m

Boston Logan Intl

Wed 6/4

7:30 am-12:25 pm

1 stop4h 55m

$229

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Wed 6/4

1:41 pm-11:53 pm

1 stop10h 12m

Boston Logan Intl

Sat 6/7

6:30 am-4:50 pm

1 stop10h 20m

$353

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Tue 5/20

1:55 pm-9:50 pm

2 stops31h 55m

Boston Logan Intl

Thu 5/22

10:04 am-10:04 am

3 stops24h 00m

$561

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Wed 5/28

6:10 am-10:20 am

1 stop4h 10m

$115

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Fri 6/13

10:38 am-8:46 pm

1 stop10h 08m

$187

IslipBoston

ISP - BOS

ISPBOS

Islip Long Island

Sun 5/4

7:39 pm-9:04 pm

1 stop25h 25m

$194

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Compare providers for flights from Islip to Boston

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 Islip to Boston in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice 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 Islip, New York-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Boston flights, Cheapflights users trust eDreams the most. eDreams 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 Islip, New York-Boston 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 Islip to Boston

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

Cheapflights Insights

Everything you need to know about your flight from Islip to Boston

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

Currently, January is the cheapest month in which you can book a flight from Islip, New York to Boston (average of $218). Flying from Islip, New York to Boston in July is currently the most expensive (average of $311). 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 ISP to BOS?

Find hourly flight availability from Islip to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

A simple way to save on the total cost of your ticket is to fly from Islip, New York to Boston in the morning. If you’re flexible enough to do this you can expect to save up to 37% on your trip compared to booking a flight at noon.

Rainfall in Boston by month

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

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

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

If weather is an important factor for your trip to Boston, 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 Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated April 29, 2025.
Peruse reviews from past customers who have flown with Southwest and JetBlue from Islip to Boston to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,292 reviews

Comfort

8.0

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
Southwest
8.0
Very good
4,292 reviews
Southwest
8.0
Very good
4,292 reviews

Comfort

8.0

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!
JetBlue
7.3
Good
2,922 reviews
Southwest
8.0
Very good
4,292 reviews

Comfort

8.0

Food

7.1

Boarding

8.2

Entertainment

7.6

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Gina,Apr 2025

LAS - DEN

Good, the crew was friendly and helpful. The pilot had great skills in keeping the plane stable through rough turbulence. Smooth landing, too! Thank you!

Related info for your journey

Find useful and relevant information for your journey from Islip to Boston. 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 Islip, New York to Boston round-trip?

    Our cheapest airline available from Islip, New York to Boston is Southwest. Our recent data shows that you can find tickets from as low as $229 on this airline. An additional option worth looking into is JetBlue, starting at $353. Users have found that Southwest is 21% cheaper than the other options available to this destination.

  • What are the cheapest flights from Islip, New York to Boston?

    On average you can expect to pay $153 for a flight from Islip, New York to Boston. The cheapest flight overall is $83 while the most popular route, (Islip Long Island - Boston Logan Intl) is currently priced at $182.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Boston 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 Islip, New York to Boston?

    Currently, January is the cheapest month in which you can book a flight from Islip, New York to Boston (average of $218). Flying from Islip, New York to Boston in July is currently the most expensive (average of $311). 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

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Marlborough
Warwick
Cambridge
Waltham
Framingham
Chestnut Hill
Randolph
Brockton
Lowell
Woburn
Somerville
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Lincoln
Salem
Chelsea
Seabrook

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Alternative routes for Islip to Boston

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Top 2 airlines flying from Islip to Boston

Discover the top 2 airlines that operate flights from Islip to Boston. 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$97Average$157FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$271Average$346FlexibilityNo cancel feeOn-time63%

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