Cheap flights from Islip to Boston (ISP - BOS)

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

All the information you need to plan the best ISP to BOS flight in 2021: compare Islip to Boston flight prices with the expected peak season, weather and rainfall in Boston.
What is the cheapest day to fly round-trip from Islip to Boston?

Flights from Islip to Boston are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Boston.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 20 days in advance, which can save you up to 25% on flights from Islip to Boston compared to booking the week you need them. Waiting 20 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $185. For sooner than that we have options available in the next 3 days from $243.

What is the cheapest month to fly from Islip to Boston?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Boston. Flights to Boston from Islip in August are about $206 on average during August, but can be found for as low as $50.

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

One of the essential ways to save on airfare from Islip to Boston is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 44% on airfare.

Cheap flights from Islip to Boston in June, July 2021

The best prices found for ISP to BOS flights for June, July
17 Jul - 19 Jul
$255pp
ISP
Islip Long Island
American Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
American Airlines
 
1 STOP
ISP
Islip Long Island
23 Jul - 25 Jul
$280pp
ISP
Islip Long Island
American Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
American Airlines
 
1 STOP
ISP
Islip Long Island
1 Jul - 5 Jul
$285pp
ISP
Islip Long Island
Multiple Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
ISP
Islip Long Island

Islip to Boston 2021 flight deals

Cheap flights to Boston from Islip found for this year
14 Dec - 15 Dec
$255pp
ISP
Islip Long Island
American Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
American Airlines
 
1 STOP
ISP
Islip Long Island
14 Dec - 15 Dec
$258pp
ISP
Islip Long Island
American Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
American Airlines
   
2 STOPS
ISP
Islip Long Island
10 Nov - 13 Nov
$259pp
ISP
Islip Long Island
American Airlines
   
2 STOPS
BOS
Boston Logan Intl
BOS
Boston Logan Intl
American Airlines
 
1 STOP
ISP
Islip Long Island

Non-stop flights to Boston from Islip

Save time with Islip to Boston direct flight deals
23 Jul - 25 Jul
$2,463pp
ISP
Islip Long Island
Linear Air Taxi
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Linear Air Taxi
Non-Stop
ISP
Islip Long Island
13 Jul - 14 Jul
$2,771pp
ISP
Islip Long Island
Linear Air Taxi
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Linear Air Taxi
Non-Stop
ISP
Islip Long Island
25 Jun - 26 Jun
$2,774pp
ISP
Islip Long Island
Linear Air Taxi
Non-Stop
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Linear Air Taxi
Non-Stop
ISP
Islip Long Island

Last minute flights from Islip to Boston

Late deals on round-trip flights to Boston from Islip, departing today and this week
28 Jun - 29 Jun
$325pp
ISP
Islip Long Island
American Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
American Airlines
 
1 STOP
ISP
Islip Long Island
26 Jun - 28 Jun
$348pp
ISP
Islip Long Island
Multiple Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
ISP
Islip Long Island
26 Jun - 28 Jun
$349pp
ISP
Islip Long Island
Multiple Airlines
 
1 STOP
BOS
Boston Logan Intl
BOS
Boston Logan Intl
Multiple Airlines
     
3 STOPS
ISP
Islip Long Island

One-way flights to Boston from Islip

The cheapest one-way flights from Islip to Boston
9:45 am - 5:04 am
Frontier
1 Stop
19h 19m
ISP - BOS
Frontier
$221
Kiwi.com
2:25 am - 6:46 pm
American Airlines
2 Stops
16h 21m
ISP - BOS
American Airlines
11:12 am - 6:04 pm
Multiple Airlines
3 Stops
54h 52m
ISP - BOS
Multiple Airlines
$269
Kiwi.com

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Islip</span> to <span class="emphasized">Boston</span> flights.

Flight FAQs

From Islip to Boston

Are flight prices decreasing from Islip to Boston due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Islip and Boston for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Which airlines flying from Islip Long Island to Boston Logan Intl have flexible cancellations due to COVID-19?

American Airlines and Linear Air Taxi are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Islip to Boston for under $300 on Cheapflights?

Yes, there are multiple flights from Islip to Boston for under $300. The cheapest flight booked recently is on Multiple Airlines for just $245, but on average you can expect to pay $292.

Are there nonstop flights from Islip to Boston for under $2,500 on Cheapflights?

Cheapflights has at least 5 direct flights from Islip to Boston under $2,500. A good price for a nonstop flight from Islip to Boston is less than $3,579.

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

There are currently 20+ open flights from Islip to Boston within the next 7 days for less than $400.

What days are nonstop flights available from Islip to Boston?

Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Wednesday.

Does it rain more in Islip or Boston?

Expected rainfall in Islip is same as in Boston. You can expect this to be the case over the next 15 days.

Is Islip weather warmer or cooler than Boston?

We forecast the temperature to be around the 84 °F's in July, on average. The temperature in Boston is generally the same as in Islip. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Islip to Boston?

American Airlines and Frontier can get you from Islip to Boston in just under 5h 15m. Your travel time can differ by up to 14h 04m. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Islip to Boston round-trip?

American Airlines, at $255, was found to be the cheapest airline from Islip to Boston. An alternate airline flying to your destination would be Frontier.

What are the cheapest airlines to fly from Islip to Boston one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $105. Frontier is not the only option available. At the moment, American Airlines is another option, for $133.

Alternative routes for Islip to Boston

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Boston

Things to know before you go - useful duration and weather info for your trip from Islip to Boston.
Average temperature for June in Boston
78.8 °F
Avg rainfall for June in Boston
3.1 ″

Airports servicing Islip

Airports servicing Boston