What airlines fly from Islip to Boston?

Only Cape Air operates flights between Islip and Boston.

Which airports can I use when flying from Islip to Boston?

Flights from Islip to Boston usually depart from Islip Long Island (ISP) and arrive at Boston Logan Intl (BOS).

Which airlines include bags at no extra cost on Islip to Boston flights?

Here are some options for this route, based on selected ticket types and cabin classes: • Cape Air: a cabin bag in Economy Class class Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

What cabin classes can I book on flights from Islip to Boston?

Only Economy Class is available on flights from Islip to Boston.

How much can I save by taking a layover when flying from Islip to Boston?

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $383 round-trip via Baltimore/Washington (BWI), compared to $520 for nonstop.

Which aircraft model is used most often on flights from Islip to Boston?

The Tecnam P2012 Traveler family is used most often on this route, operated mainly by Cape Air. Other aircraft seen on the route include Embraer 175 variants.

Which airports do connecting flights from Islip to Boston pass through?

Most connecting flights from Islip to Boston pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route.

Can I save money by using flexible dates for flights from Islip to Boston?

Yes. Flexible dates can save you up to 25% on flights from Islip to Boston. Thursday is the cheapest departure day at $511 round-trip on average, while Sunday is the most expensive at $679, a difference of $168. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How are flight departures from Islip to Boston spread across the day?

Morning is the busiest departure period on Islip to Boston flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.

What popular places can I visit in Boston?

Some of the most popular sights in Boston are TD Garden, Fenway Park and Boston Common. These are among the most viewed places in Boston on KAYAK.

What are the earliest and latest flights from Islip to Boston?

These are the earliest and latest flight times available from Islip to Boston: • Earliest: departs at 7:05 am and lands at 8:29 am • Latest: departs at 5:34 pm and lands at 6:58 pm. The flight takes about 1h 24m.

How long is a flight from Islip to Boston?

A nonstop flight from Islip to Boston takes 1h 24m, covering 153 miles.

Do I need a passport to fly from Islip to Boston?

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Have flight prices from Islip to Boston changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $377 to $1,202. That means the highest observed fare was about 3x higher than the lowest one.

How are flight prices from Islip to Boston looking right now?

One-way fares from Islip to Boston are currently lower than usual. Average one-way flight prices are about $201, which is 35% below the typical average for this route.

What car rental options are available at Boston Logan Intl Airport (BOS)?

Boston Logan Intl Airport (BOS) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include: • Dollar • Hertz • Budget • Thrifty • Sixt

How much should I expect to pay for a Islip to Boston flight?

Round-trip flights from Islip to Boston range from $503 to $594, with an average of $520 over the past 12 months. Anything below $503 counts as a good deal.

Which airline is the cheapest to fly from Islip to Boston?

Southwest ($377) and Cape Air ($497) are the cheapest airlines to fly round-trip from Islip to Boston according to KAYAK data over the last 5 days.

Which airline offers the most nonstop flights between Islip and Boston?

Cape Air has the most frequent nonstop flights from Islip to Boston with 9 flights per week. Based on KAYAK flight data over the last 3 months.

What is the cheapest layover airport when flying from Islip to Boston?

Flights via Baltimore/Washington (BWI) offer the most affordable fares, with an average round-trip price of $383. Based on KAYAK data over the past 3 months.

Which route with a layover is the fastest from Islip to Boston?

Baltimore/Washington (BWI) offers the shortest 1-stop connection from Islip to Boston at 4h 21m one-way, 2h 57m longer than the 1h 24m direct flight. Based on KAYAK data over the past 3 months.

When flying from Islip to Boston which airport offers the shortest layover?

Baltimore/Washington (BWI) had the shortest average connection time for Islip to Boston layovers at 2h 54m over the past 3 months.

How many nonstop flights run daily between Islip and Boston?

There are 1 to 2 flights per day from Islip to Boston, about 9 flights per week. Friday has the most departures, with 22% of weekly flights.

What time of day do most flights depart from Islip to Boston?

Most nonstop flights from Islip to Boston depart in the morning, accounting for 100% of nonstop departures. Around 1 flights are scheduled in that window over the next three months.

$189 CHEAP FLIGHTS from Islip to Boston (ISP - BOS)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$377

Typical prices: $503-$594

Southwest

Tue 11/6Thu 11/8

ISP - BOS • 1 stop

Cheapest non-stop

$497

Typical prices: $507-$610

Cape Air

Mon 10/8Fri 10/12

ISP - BOS • Non-stop

Nonstop flights

Every day

You can fly direct with Cape Air. Average duration is 1h 24m

Direct flights

When to travel

June

Cheapest • 3% price drop

November

Most popular

Good to know

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Boston!

Flight Deals

Cheap Flights from Islip to Boston (ISP-BOS)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Islip to Boston

Mon, Oct 26 - Thu, Oct 29

5:40 pm - 12:10 amISP Islip Long Island-BOS Boston Logan Intl

6h 30m1 stop Baltimore/Washington

1:05 pm - 5:00 pmBOS Boston Logan Intl-ISP Islip Long Island

3h 55m1 stop Baltimore/Washington

$377Southwest

Fri, Nov 6 - Sun, Nov 8

5:35 am - 9:40 amISP Islip Long Island-BOS Boston Logan Intl

4h 05m1 stop Baltimore/Washington

5:35 am - 11:45 amBOS Boston Logan Intl-ISP Islip Long Island

6h 10m1 stop Baltimore/Washington

$377Southwest

Fri, Oct 30 - Sat, Oct 31

5:40 pm - 12:10 amISP Islip Long Island-BOS Boston Logan Intl

6h 30m1 stop Baltimore/Washington

7:20 am - 11:55 amBOS Boston Logan Intl-ISP Islip Long Island

4h 35m1 stop Baltimore/Washington

$377Southwest

Fri, Oct 30 - Tue, Nov 3

3:10 pm - 7:15 pmISP Islip Long Island-BOS Boston Logan Intl

4h 05m1 stop Baltimore/Washington

7:55 am - 11:45 amBOS Boston Logan Intl-ISP Islip Long Island

3h 50m1 stop Baltimore/Washington

$377Southwest

Thu, Oct 29 - Mon, Nov 2

6:00 am - 10:00 amISP Islip Long Island-BOS Boston Logan Intl

4h 00m1 stop Baltimore/Washington

5:10 pm - 11:30 pmBOS Boston Logan Intl-ISP Islip Long Island

6h 20m1 stop Baltimore/Washington

$377Southwest

Fri, Nov 13 - Tue, Nov 17

5:40 pm - 10:35 pmISP Islip Long Island-BOS Boston Logan Intl

4h 55m1 stop Baltimore/Washington

5:30 am - 11:45 amBOS Boston Logan Intl-ISP Islip Long Island

6h 15m1 stop Baltimore/Washington

$377Southwest

Thu, Nov 12 - Sat, Nov 14

5:35 am - 9:40 amISP Islip Long Island-BOS Boston Logan Intl

4h 05m1 stop Baltimore/Washington

3:05 pm - 9:50 pmBOS Boston Logan Intl-ISP Islip Long Island

6h 45m1 stop Baltimore/Washington

$377Southwest

Fri, Oct 23 - Fri, Oct 30

5:40 pm - 9:20 pmISP Islip Long Island-BOS Boston Logan Intl

3h 40m1 stop Baltimore/Washington

5:30 pm - 11:40 pmBOS Boston Logan Intl-ISP Islip Long Island

6h 10m1 stop Baltimore/Washington

$377Southwest

Thu, Oct 8 - Mon, Oct 12

4:50 pm - 6:15 pmISP Islip Long Island-BOS Boston Logan Intl

1h 25mnonstop

9:21 am - 10:56 amBOS Boston Logan Intl-ISP Islip Long Island

1h 35mnonstop

$497Cape Air

Wed, Oct 7 - Thu, Oct 8

7:31 am - 8:56 amISP Islip Long Island-BOS Boston Logan Intl

1h 25mnonstop

4:06 pm - 5:41 pmBOS Boston Logan Intl-ISP Islip Long Island

1h 35mnonstop

$499Cape Air

Recent last minute flight deals from Islip to Boston

Sun, Sep 27 - Wed, Sep 30

7:05 am - 8:30 amISP Islip Long Island-BOS Boston Logan Intl

1h 25mnonstop

9:21 am - 10:56 amBOS Boston Logan Intl-ISP Islip Long Island

1h 35mnonstop

$520Cape Air

Sun, Sep 27 - Tue, Sep 29

7:05 am - 8:30 amISP Islip Long Island-BOS Boston Logan Intl

1h 25mnonstop

6:40 pm - 8:15 pmBOS Boston Logan Intl-ISP Islip Long Island

1h 35mnonstop

$556Cape Air

Thu, Sep 24 - Sat, Sep 26

2:16 pm - 3:41 pmISP Islip Long Island-BOS Boston Logan Intl

1h 25mnonstop

7:24 pm - 8:59 pmBOS Boston Logan Intl-ISP Islip Long Island

1h 35mnonstop

$559Cape Air

Thu, Sep 24 - Sun, Sep 27

4:50 pm - 6:15 pmISP Islip Long Island-BOS Boston Logan Intl

1h 25mnonstop

8:55 am - 10:30 amBOS Boston Logan Intl-ISP Islip Long Island

1h 35mnonstop

$560Cape Air

Sun, Sep 27 - Tue, Sep 29

7:05 am - 8:30 amISP Islip Long Island-BOS Boston Logan Intl

1h 25mnonstop

12:52 pm - 11:20 amBOS Boston Logan Intl-ISP Islip Long Island

22h 28m3 stops Atlanta Hartsfield-Jackson Orlando Raleigh-Durham

$575Multiple Airlines

Sun, Sep 27 - Sun, Sep 27

7:05 am - 8:30 amISP Islip Long Island-BOS Boston Logan Intl

1h 25mnonstop

11:00 am - 12:35 pmBOS Boston Logan Intl-ISP Islip Long Island

1h 35mnonstop

$598Cape Air

Thu, Sep 24 - Thu, Sep 24

2:16 pm - 3:41 pmISP Islip Long Island-BOS Boston Logan Intl

1h 25mnonstop

6:40 pm - 8:15 pmBOS Boston Logan Intl-ISP Islip Long Island

1h 35mnonstop

$613Cape Air

Fri, Sep 25 - Mon, Sep 28

9:05 am - 10:30 amISP Islip Long Island-BOS Boston Logan Intl

1h 25mnonstop

9:21 am - 10:56 amBOS Boston Logan Intl-ISP Islip Long Island

1h 35mnonstop

$615Cape Air

Sun, Sep 27 - Tue, Sep 29

7:05 am - 8:30 amISP Islip Long Island-BOS Boston Logan Intl

1h 25mnonstop

12:52 pm - 11:20 amBOS Boston Logan Intl-ISP Islip Long Island

22h 28m2 stops Atlanta Hartsfield-Jackson Raleigh-Durham

$618Multiple Airlines

Fri, Sep 25 - Sat, Sep 26

3:09 pm - 4:34 pmISP Islip Long Island-BOS Boston Logan Intl

1h 25mnonstop

7:24 pm - 8:59 pmBOS Boston Logan Intl-ISP Islip Long Island

1h 35mnonstop

$618Cape Air

Recent direct flight deals from Islip to Boston

Thu, Oct 8 - Mon, Oct 12

4:50 pm - 6:15 pmISP Islip Long Island-BOS Boston Logan Intl

1h 25mnonstop

9:21 am - 10:56 amBOS Boston Logan Intl-ISP Islip Long Island

1h 35mnonstop

$497Cape Air

Wed, Oct 7 - Thu, Oct 8

7:31 am - 8:56 amISP Islip Long Island-BOS Boston Logan Intl

1h 25mnonstop

4:06 pm - 5:41 pmBOS Boston Logan Intl-ISP Islip Long Island

1h 35mnonstop

$499Cape Air

Wed, Oct 21 - Mon, Oct 26

12:30 pm - 1:50 pmISP Islip Long Island-BOS Boston Logan Intl

1h 20mnonstop

9:39 am - 11:09 amBOS Boston Logan Intl-ISP Islip Long Island

1h 30mnonstop

$499Cape Air

Thu, Oct 22 - Sun, Oct 25

12:30 pm - 1:50 pmISP Islip Long Island-BOS Boston Logan Intl

1h 20mnonstop

6:19 pm - 7:49 pmBOS Boston Logan Intl-ISP Islip Long Island

1h 30mnonstop

$499Cape Air

Fri, Oct 23 - Sun, Oct 25

7:44 am - 9:04 amISP Islip Long Island-BOS Boston Logan Intl

1h 20mnonstop

6:19 pm - 7:49 pmBOS Boston Logan Intl-ISP Islip Long Island

1h 30mnonstop

$499Cape Air

Fri, Oct 23 - Sun, Oct 25

9:59 am - 11:19 amISP Islip Long Island-BOS Boston Logan Intl

1h 20mnonstop

9:39 am - 11:09 amBOS Boston Logan Intl-ISP Islip Long Island

1h 30mnonstop

$499Cape Air

Sun, Oct 4 - Thu, Oct 8

7:05 am - 8:30 amISP Islip Long Island-BOS Boston Logan Intl

1h 25mnonstop

4:06 pm - 5:41 pmBOS Boston Logan Intl-ISP Islip Long Island

1h 35mnonstop

$500Cape Air

Tue, Oct 20 - Sun, Oct 25

12:30 pm - 1:50 pmISP Islip Long Island-BOS Boston Logan Intl

1h 20mnonstop

6:19 pm - 7:49 pmBOS Boston Logan Intl-ISP Islip Long Island

1h 30mnonstop

$500Cape Air

Mon, Oct 26 - Thu, Oct 29

12:30 pm - 1:50 pmISP Islip Long Island-BOS Boston Logan Intl

1h 20mnonstop

9:39 am - 11:09 amBOS Boston Logan Intl-ISP Islip Long Island

1h 30mnonstop

$500Cape Air

Thu, Oct 22 - Sun, Oct 25

12:30 pm - 1:50 pmISP Islip Long Island-BOS Boston Logan Intl

1h 20mnonstop

6:19 pm - 7:49 pmBOS Boston Logan Intl-ISP Islip Long Island

1h 30mnonstop

$500Cape Air

Booking Insights

Price, demand and travel trends for Islip to Boston flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

Layovers

How much is a round-trip flight from Islip to Boston?

Round-trip flights from Islip to Boston typically range from $503 to $594. The lowest price found in the past 5 days was $377, on Southwest.

What's the cheapest day of the week to fly from Islip to Boston?

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Islip to Boston. It’s 2% cheaper than the average day, while Sunday is the most expensive, with prices 30% higher.

Find deals

Low season	March
High season	November
Cheapest flight	$189

Beat the crowds with an average 60% drop in travelers.

The most popular month to fly with an average 20% increase in travelers.

One-way flight from Islip to Boston

When to book flights from Islip to Boston

Are your dates flexible? Find out the best times to travel from Islip to Boston based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What are the earliest and latest flights from Islip to Boston?
These are the earliest and latest flight times available from Islip to Boston:

• Earliest: departs at 7:05 am and lands at 8:29 am
• Latest: departs at 5:34 pm and lands at 6:58 pm.

The flight takes about 1h 24m.
What cabin classes can I book on flights from Islip to Boston?
Only Economy Class is available on flights from Islip to Boston.
How long is a flight from Islip to Boston?
A nonstop flight from Islip to Boston takes 1h 24m, covering 153 miles.
Do I need a passport to fly from Islip to Boston?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.
How much should I expect to pay for a Islip to Boston flight?
Round-trip flights from Islip to Boston range from $503 to $594, with an average of $520 over the past 12 months. Anything below $503 counts as a good deal.
How much can I save by taking a layover when flying from Islip to Boston?
On this route, layover flights are cheaper than nonstop options on average. Layover fares average $383 round-trip via Baltimore/Washington (BWI), compared to $520 for nonstop.
Which aircraft model is used most often on flights from Islip to Boston?
The Tecnam P2012 Traveler family is used most often on this route, operated mainly by Cape Air. Other aircraft seen on the route include Embraer 175 variants.
How are flight departures from Islip to Boston spread across the day?
Morning is the busiest departure period on Islip to Boston flights, with 100% of flights leaving in that window. Afternoon departures account for 0%, evening flights for 0%, and night flights for 0%.
Have flight prices from Islip to Boston changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $377 to $1,202. That means the highest observed fare was about 3x higher than the lowest one.
How are flight prices from Islip to Boston looking right now?
One-way fares from Islip to Boston are currently lower than usual. Average one-way flight prices are about $201, which is 35% below the typical average for this route.
What car rental options are available at Boston Logan Intl Airport (BOS)?
Boston Logan Intl Airport (BOS) hosts 5 major car rental companies, with daily rates starting from around $23 for economy cars. Top options include:

• Dollar
• Hertz
• Budget
• Thrifty
• Sixt
Which airports can I use when flying from Islip to Boston?
Flights from Islip to Boston usually depart from Islip Long Island (ISP) and arrive at Boston Logan Intl (BOS).
Which airports do connecting flights from Islip to Boston pass through?
Most connecting flights from Islip to Boston pass through Baltimore/Washington (BWI), which handles 100% of one-stop traffic on this route.
Can I save money by using flexible dates for flights from Islip to Boston?
Yes. Flexible dates can save you up to 25% on flights from Islip to Boston. Thursday is the cheapest departure day at $511 round-trip on average, while Sunday is the most expensive at $679, a difference of $168.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What airlines fly from Islip to Boston?
Only Cape Air operates flights between Islip and Boston.
What popular places can I visit in Boston?
Some of the most popular sights in Boston are TD Garden, Fenway Park and Boston Common. These are among the most viewed places in Boston on KAYAK.
Which airlines include bags at no extra cost on Islip to Boston flights?
Here are some options for this route, based on selected ticket types and cabin classes:

• Cape Air: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

If your dates are flexible, aim for a Thursday departure and avoid flying on Sunday. On this route, Thursday flights average $511, about $168 less than Sunday fares (25% savings) based on the last 12 months.
If you can choose when to travel, plan your Islip to Boston trip for June. Fares historically average $503 round-trip in that month - typically $117 less than the most expensive month, which is November (based on the last 12 months).
If you have the time, taking a 1-stop flight through Baltimore/Washington Airport (BWI) can be cheaper than flying direct. The cheapest layover option averages $383 round-trip on this route - about $136 less than direct flights (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Boston Logan Intl Airport.

• Hilton Boston Logan Airport
• Hilton Garden Inn Boston Logan Airport
• Embassy Suites by Hilton Boston at Logan Airport

Direct departures

Islip Long Island to Boston Logan Intl

Monday

Cape Air

Tuesday

Cape Air

Wednesday

Cape Air

Thursday

Cape Air

Friday

Cape Air

Saturday

Cape Air

Sunday

Cape Air

See more direct flights

Direct returns

Boston Logan Intl to Islip Long Island

Monday

Cape Air

Tuesday

Cape Air

Wednesday

Cape Air

Thursday

Cape Air

Friday

Cape Air

Saturday

Cape Air

Sunday

Cape Air

See more direct flights

More options for your flight from Islip to Boston

Add a hotel or car rental

Airports

Cabin class

Direct Flights

Origins

Other destinations

Return flight

Complete your trip to Boston with a hotel stay or car rental

Car rentals in Boston

Hotels in Boston

Vacations in Boston

ISP - BOS

$189 Find Cheap Flights from Islip to Boston - Compare and Save

Everything you should know

Cheap Flights from Islip to Boston (ISP-BOS)

Recent round-trip flight deals from Islip to Boston

Recent one-way flight deals from Islip to Boston

Recent last minute flight deals from Islip to Boston

Recent direct flight deals from Islip to Boston

Price, demand and travel trends for Islip to Boston flights

How much is a round-trip flight from Islip to Boston?

What's the cheapest day of the week to fly from Islip to Boston?

Which airline is the cheapest to fly from Islip to Boston?

Which airline offers the most nonstop flights between Islip and Boston?

What is the cheapest layover airport when flying from Islip to Boston?

Which route with a layover is the fastest from Islip to Boston?

When flying from Islip to Boston which airport offers the shortest layover?

How many nonstop flights run daily between Islip and Boston?

What time of day do most flights depart from Islip to Boston?

Key details for Islip to Boston flights

Low season

High season

Cheapest flight

When to book flights from Islip to Boston

Your Islip to Boston flight questions, answered

Your guide to booking Islip to Boston flights

Prefer to fly direct from Islip to Boston?

More options for your flight from Islip to Boston

Complete your trip to Boston with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from Islip to Boston

Find direct flights to and from Islip and Boston

Flights from domestic origins to Boston

Flights to other popular destinations

Find deals for your return flight