Cheap flights from Boston to Islip (BOS - ISP) from $127

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 4/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BOS — ISP
Mar 23 — Mar 301

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 March 19, 2024.

Popular in

February

Cheapest in

September

Round-trip from

$214

One-way from

$127
High demand for flights, 65% potential price rise
Best time to find cheap flights, 96% potential price drop
From Boston Logan Intl to Islip Long Island
One-way flight from Boston Logan Intl to Islip Long Island

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 57 days early can save you up to 328% on average compared to booking a flight this week. If booking 57 days before your flight isn’t an option for you, users have found flights from Boston to Islip, New York for as little as $173 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 $321 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 June. Prices are generally better when you fly from Boston to Islip, New York in January, with the cheapest ticket starting at $97.

When is the cheapest time to fly from Boston to Islip, New York (BOS - 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 March & April 2024

Find cheap flight options from Boston to Islip specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
Tue 4/165:37 pmBOS - ISP
1 stop24h 44mMultiple Airlines
Tue 4/237:31 pmISP - BOS
1 stop28h 11mMultiple Airlines
Deal found 3/17$219
Fri 3/296:10 amBOS - ISP
1 stop10h 27mMultiple Airlines
Sun 3/319:40 pmISP - BOS
1 stop11h 05mMultiple Airlines
Deal found 3/17$282
Thu 3/283:56 pmBOS - ISP
1 stop15h 48mMultiple Airlines
Sun 3/318:34 amISP - BOS
1 stop7h 47mMultiple Airlines
Deal found 3/17$319
Tue 4/99:58 amBOS - ISP
1 stop7h 50mMultiple Airlines
Wed 4/179:43 amISP - BOS
1 stop10h 04mMultiple Airlines
Deal found 3/16$325
Wed 4/1710:16 amBOS - ISP
1 stop8h 05mMultiple Airlines
Wed 4/249:43 amISP - BOS
1 stop10h 04mMultiple Airlines
Deal found 3/18$328
Thu 4/251:16 pmBOS - ISP
1 stop5h 05mMultiple Airlines
Sun 4/2811:05 amISP - BOS
1 stop7h 45mMultiple Airlines
Deal found 3/17$516
Wed 4/1710:16 amBOS - ISP
1 stop8h 05mMultiple Airlines
Thu 4/1811:05 amISP - BOS
1 stop7h 45mMultiple Airlines
Deal found 3/18$613
Fri 4/265:05 amBOS - ISP
1 stop12h 30mMultiple Airlines
Sun 4/2811:05 amISP - BOS
1 stop7h 45mMultiple Airlines
Deal found 3/18$712

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 3,145,932 searches. Data last updated March 19, 2024.
Fri 5/105:45 amBOS - ISP
1 stop12h 36mMultiple Airlines
Sun 5/127:31 pmISP - BOS
1 stop26h 22mMultiple Airlines
Deal found 3/17$197
Tue 4/165:37 pmBOS - ISP
1 stop24h 44mMultiple Airlines
Tue 4/237:31 pmISP - BOS
1 stop28h 11mMultiple Airlines
Deal found 3/17$219
Fri 3/296:10 amBOS - ISP
1 stop10h 27mMultiple Airlines
Sun 3/319:40 pmISP - BOS
1 stop11h 05mMultiple Airlines
Deal found 3/17$282
Thu 3/283:56 pmBOS - ISP
1 stop15h 48mMultiple Airlines
Sun 3/318:34 amISP - BOS
1 stop7h 47mMultiple Airlines
Deal found 3/17$319
Tue 4/99:58 amBOS - ISP
1 stop7h 50mMultiple Airlines
Wed 4/179:43 amISP - BOS
1 stop10h 04mMultiple Airlines
Deal found 3/16$325
Wed 4/1710:16 amBOS - ISP
1 stop8h 05mMultiple Airlines
Wed 4/249:43 amISP - BOS
1 stop10h 04mMultiple Airlines
Deal found 3/18$328
Thu 4/251:16 pmBOS - ISP
1 stop5h 05mMultiple Airlines
Sun 4/2811:05 amISP - BOS
1 stop7h 45mMultiple Airlines
Deal found 3/17$516
Wed 4/1710:16 amBOS - ISP
1 stop8h 05mMultiple Airlines
Thu 4/1811:05 amISP - BOS
1 stop7h 45mMultiple Airlines
Deal found 3/18$613
Fri 4/265:05 amBOS - ISP
1 stop12h 30mMultiple Airlines
Sun 4/2811:05 amISP - BOS
1 stop7h 45mMultiple Airlines
Deal found 3/18$712

Boston to Islip flights leaving soon

Find last-minute flight options from Boston to Islip for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Thu 3/283:56 pmBOS - ISP
1 stop15h 48mMultiple Airlines
Sun 3/318:34 amISP - BOS
1 stop7h 47mMultiple Airlines
Deal found 3/17$319

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 3,145,932 searches. Data last updated March 19, 2024.
Wed 4/245:05 amBOS - ISP
1 stop12h 00mMultiple Airlines
Deal found 3/17$127

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 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$197 - $712

Route

Depart

Return

Price

Boston Logan IntlIslip Long Island

BOS - ISP

BOSISP

Boston Logan Intl

Fri 5/10

1 stop12h 36m

Islip Long Island

Sun 5/12

1 stop26h 22m

$197

Boston Logan IntlIslip Long Island

BOS - ISP

BOSISP

Boston Logan Intl

Tue 4/16

1 stop24h 44m

Islip Long Island

Tue 4/23

1 stop28h 11m

$219

Boston Logan IntlIslip Long Island

BOS - ISP

BOSISP

Boston Logan Intl

Fri 3/29

1 stop10h 27m

Islip Long Island

Sun 3/31

1 stop11h 05m

$282

Boston Logan IntlIslip Long Island

BOS - ISP

BOSISP

Boston Logan Intl

Thu 3/28

1 stop15h 48m

Islip Long Island

Sun 3/31

1 stop7h 47m

$319

Boston Logan IntlIslip Long Island

BOS - ISP

BOSISP

Boston Logan Intl

Tue 4/9

1 stop7h 50m

Islip Long Island

Wed 4/17

1 stop10h 04m

$325

Boston Logan IntlIslip Long Island

BOS - ISP

BOSISP

Boston Logan Intl

Thu 4/25

1 stop5h 05m

Islip Long Island

Sun 4/28

1 stop7h 45m

$516

Boston Logan IntlIslip Long Island

BOS - ISP

BOSISP

Boston Logan Intl

Wed 4/17

1 stop8h 05m

Islip Long Island

Thu 4/18

1 stop7h 45m

$613

Boston Logan IntlIslip Long Island

BOS - ISP

BOSISP

Boston Logan Intl

Fri 4/26

1 stop12h 30m

Islip Long Island

Sun 4/28

1 stop7h 45m

$712

Flights are sorted by cheapest first

Deals found on 3/17

When is the cheapest time to fly from Boston to Islip, New York?

Use this chart to determine the cheapest time to fly round-trip from Boston to Islip. Price data was last updated on March 17, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Boston to Islip, New York flight should consider departing on Thursday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Islip by month

Plan your trip from Boston to Islip by taking into account the cheapest months to travel. The average price of a one-way flight from Boston to Islip is currently $127 while a round-trip flight costs $398. Price data was last updated on March 10, 2024.

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 February is currently the most expensive (average of $151). 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.

January

$101

February

$151

March

$123

April

$139

May

$126

June

$135

July

$142

August

$110

September

$90

October

$96

November

$88

December

$78

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

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 $200 on Cheapflights?

    Yes, there are multiple flights from Boston to Islip, New York for under $200. The cheapest flight booked recently is on Multiple Airlines for just $197, but on average you can expect to pay $397.

  • Are there last-minute flights available from Boston to Islip, New York for under $400?

    There are currently 1+ open flights from Boston to Islip, New York within the next 7 days for less than $400.

  • 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.

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How does Cheapflights help users find flights from Boston to Islip?

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Why should you use Cheapflights to find cheap flight tickets from Boston to Islip?

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Can Cheapflights find flights from Boston to Islip with no change fees?

Yes! Cheapflights helps users easily find flights from Boston to Islip with no change fees.

Can Cheapflights notify me if prices for flights from Boston to Islip become cheaper?

Yes, Cheapflights offers price alerts on Boston to Islip flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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