Cheap flights from Islip to Boston (ISP - BOS) from $161

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 3/21. 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.
ISP — BOS
Feb 25 — Mar 31

How to find the cheapest flight from Islip (ISP) to Boston (BOS)

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 February 20, 2024.

Round-trip from

$218

One-way from

$161
From Islip Long Island to Boston Logan Intl
One-way flight from Islip Long Island to Boston Logan Intl

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

Users have found that booking a flight from Islip, New York to Boston at least 61 days early can save you up to 183% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Islip, New York to Boston for as little as $183 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 $381 for flights departing within the next 3 days.

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

September is one of the best times of the year to fly to Boston from Islip, New York. Prices for September average $189 per person but you can even find prices for as low as $65. The most expensive prices can be found in the month of June. Opting for a September flight can save you 28% on your journey compared to booking in June

When is the cheapest time to fly from Islip, New York to Boston (ISP - BOS)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Islip, New York to Boston as you normally would.

Cheap Islip to Boston flights in February & March 2024

Find cheap flight options from Islip to Boston specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,394,020 searches. Prices were last updated on February 20, 2024.
Wed 3/201:11 pmISP - BOS
2 stops18h 20mMultiple Airlines
Wed 3/277:51 pmBOS - ISP
1 stop11h 53mMultiple Airlines
Deal found 2/19$317
Fri 3/228:34 amISP - BOS
1 stop7h 47mMultiple Airlines
Mon 3/256:10 amBOS - ISP
1 stop10h 17mMultiple Airlines
Deal found 2/20$453
Sat 3/309:18 amISP - BOS
1 stop14h 41mMultiple Airlines
Sun 3/313:56 pmBOS - ISP
1 stop29h 01mMultiple Airlines
Deal found 2/19$569
Fri 3/88:34 amISP - BOS
1 stop14h 40mMultiple Airlines
Fri 3/153:50 pmBOS - ISP
2 stops45h 27mMultiple Airlines
Deal found 2/20$583
Fri 3/88:34 amISP - BOS
1 stop14h 40mMultiple Airlines
Fri 3/1512:12 pmBOS - ISP
1 stop28h 25mMultiple Airlines
Deal found 2/20$617
Fri 2/2310:54 amISP - BOS
2 stops20h 28mMultiple Airlines
Mon 2/269:46 pmBOS - ISP
1 stop23h 03mMultiple Airlines
Deal found 2/19$702
Thu 2/2212:53 pmISP - BOS
2 stops26h 02mMultiple Airlines
Sun 2/259:28 pmBOS - ISP
1 stop10h 29mMultiple Airlines
Deal found 2/19$795
Fri 2/239:59 amISP - BOS
1 stop14h 25mMultiple Airlines
Mon 2/269:46 pmBOS - ISP
1 stop23h 03mMultiple Airlines
Deal found 2/19$864
Thu 2/2212:53 pmISP - BOS
2 stops26h 02mMultiple Airlines
Sun 2/259:46 pmBOS - ISP
1 stop23h 23mMultiple Airlines
Deal found 2/18$876

Islip to Boston 2024 flight deals

Discover exclusive flight deals for travel between Islip and Boston in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,394,020 searches. Data last updated February 20, 2024.
Wed 3/201:11 pmISP - BOS
2 stops18h 20mMultiple Airlines
Wed 3/277:51 pmBOS - ISP
1 stop11h 53mMultiple Airlines
Deal found 2/19$317
Fri 3/228:34 amISP - BOS
1 stop7h 47mMultiple Airlines
Mon 3/256:10 amBOS - ISP
1 stop10h 17mMultiple Airlines
Deal found 2/20$453
Sat 3/309:18 amISP - BOS
1 stop14h 41mMultiple Airlines
Sun 3/313:56 pmBOS - ISP
1 stop29h 01mMultiple Airlines
Deal found 2/19$569
Fri 3/88:34 amISP - BOS
1 stop14h 40mMultiple Airlines
Fri 3/153:50 pmBOS - ISP
2 stops45h 27mMultiple Airlines
Deal found 2/20$583
Fri 3/88:34 amISP - BOS
1 stop14h 40mMultiple Airlines
Fri 3/1512:12 pmBOS - ISP
1 stop28h 25mMultiple Airlines
Deal found 2/20$617
Fri 2/2310:54 amISP - BOS
2 stops20h 28mMultiple Airlines
Mon 2/269:46 pmBOS - ISP
1 stop23h 03mMultiple Airlines
Deal found 2/19$702
Thu 2/2212:53 pmISP - BOS
2 stops26h 02mMultiple Airlines
Sun 2/259:28 pmBOS - ISP
1 stop10h 29mMultiple Airlines
Deal found 2/19$795
Fri 2/239:59 amISP - BOS
1 stop14h 25mMultiple Airlines
Mon 2/269:46 pmBOS - ISP
1 stop23h 03mMultiple Airlines
Deal found 2/19$864
Thu 2/2212:53 pmISP - BOS
2 stops26h 02mMultiple Airlines
Sun 2/259:46 pmBOS - ISP
1 stop23h 23mMultiple Airlines
Deal found 2/18$876

Islip to Boston flights leaving soon

Find last-minute flight options from Islip to Boston 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 3,394,020 searches. Data last updated February 20, 2024.
Fri 2/2310:54 amISP - BOS
2 stops20h 28mMultiple Airlines
Mon 2/269:46 pmBOS - ISP
1 stop23h 03mMultiple Airlines
Deal found 2/19$702
Thu 2/2212:53 pmISP - BOS
2 stops26h 02mMultiple Airlines
Sun 2/259:28 pmBOS - ISP
1 stop10h 29mMultiple Airlines
Deal found 2/19$795
Fri 2/239:59 amISP - BOS
1 stop14h 25mMultiple Airlines
Mon 2/269:46 pmBOS - ISP
1 stop23h 03mMultiple Airlines
Deal found 2/19$864
Thu 2/2212:53 pmISP - BOS
2 stops26h 02mMultiple Airlines
Sun 2/259:46 pmBOS - ISP
1 stop23h 23mMultiple Airlines
Deal found 2/18$876

One-way flights to Boston from Islip

Search for one-way flight options from Islip to Boston. 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 3,394,020 searches. Data last updated February 20, 2024.
Thu 3/215:27 pmISP - BOS
1 stop16h 34mMultiple Airlines
Deal found 2/19$161

Find flights from Islip to Boston within your budget

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 3,394,020 searches. Data last updated February 20, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$317 - $617

Route

Depart

Return

Price

Islip Long IslandBoston Logan Intl

ISP - BOS

ISPBOS

Islip Long Island

Wed 3/20

2 stops18h 20m

Boston Logan Intl

Wed 3/27

1 stop11h 53m

$317

Islip Long IslandBoston Logan Intl

ISP - BOS

ISPBOS

Islip Long Island

Sat 3/30

1 stop14h 41m

Boston Logan Intl

Sun 3/31

1 stop29h 01m

$569

Islip Long IslandBoston Logan Intl

ISP - BOS

ISPBOS

Islip Long Island

Fri 3/8

1 stop14h 40m

Boston Logan Intl

Fri 3/15

2 stops45h 27m

$583

Islip Long IslandBoston Logan Intl

ISP - BOS

ISPBOS

Islip Long Island

Fri 3/8

1 stop14h 40m

Boston Logan Intl

Fri 3/15

1 stop28h 25m

$617

Flights are sorted by cheapest first

Deals found on 2/19

Average price of flights to Boston by month

Plan your trip from Islip to Boston by taking into account the cheapest months to travel. The average price of a one-way flight from Islip to Boston is currently $161 while a round-trip flight costs $522. Price data was last updated on February 18, 2024.

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 June is currently the most expensive (average of $330). 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

$218

February

$220

March

$260

April

$293

May

$288

June

$330

July

$329

August

$284

September

$258

October

$262

November

$258

December

$233

Temperature and rainfall in Boston by month

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

BOS

Temperature

30.2 - 73.4 °F

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.

Can I find flights from Islip, New York to Boston for under $400 on Cheapflights?

Yes, there are multiple flights from Islip, New York to Boston for under $400. The cheapest flight booked recently is on Multiple Airlines for just $317, but on average you can expect to pay $521.

Are there last-minute flights available from Islip, New York to Boston for under $800?

There are currently 4+ open flights from Islip, New York to Boston within the next 7 days for less than $800.

What does ISP to BOS mean?

Islip Long Island Airport is ISP and Boston Logan Intl Airport is BOS. 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.

Browse thousands of different options on Cheapflights for your next trip

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Search flights from Islip to Boston by cabin class

Find flights from Islip to Boston, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Weekly flight availability from Islip to Boston

Explore weekly flight availability from Islip to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 20, 2024.
Sunday1daily flight
Monday0daily flights
Tuesday0daily flights
Wednesday0daily flights
Thursday0daily flights
Friday0daily flights
Saturday0daily flights

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for Islip to Boston flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Islip to Boston for you. Better yet — we are completely free to use.

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

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

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

Of course! You can now track prices for flights from Islip to Boston and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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