Cheap Flights from Islip to Boston Logan International

Compare Islip to Boston Logan International flight deals

Find the cheapest month or even day of the year to fly to Boston Logan International

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Flight deals from Islip to Boston Logan International

Looking for a cheap last-minute deal or the best return flight from Islip Airport to Boston Logan International Airport? If you want to travel next month, return fares start from $611. Find the lowest prices on one-way and return tickets right here.

Boston.$610 per passenger.Departing Wed, 4 Nov, returning Sat, 7 Nov.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Islip on Wed, 4 Nov, arriving in Boston Logan International.Inbound indirect flight with Southwest Airlines, departs from Boston Logan International on Sat, 7 Nov, arriving in Islip.Price includes taxes and charges.From $610, select.

Boston.$610 per passenger.Departing Thu, 10 Dec, returning Thu, 17 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Islip on Thu, 10 Dec, arriving in Boston Logan International.Inbound indirect flight with Southwest Airlines, departs from Boston Logan International on Thu, 17 Dec, arriving in Islip.Price includes taxes and charges.From $610, select.

Boston.$611 per passenger.Departing Wed, 22 Jul, returning Tue, 28 Jul.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Islip on Wed, 22 Jul, arriving in Boston Logan International.Inbound indirect flight with Southwest Airlines, departs from Boston Logan International on Tue, 28 Jul, arriving in Islip.Price includes taxes and charges.From $611, select.

Boston.$614 per passenger.Departing Mon, 24 Aug, returning Wed, 26 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Islip on Mon, 24 Aug, arriving in Boston Logan International.Inbound indirect flight with Southwest Airlines, departs from Boston Logan International on Wed, 26 Aug, arriving in Islip.Price includes taxes and charges.From $614, select.

Boston.$616 per passenger.Departing Sat, 26 Sep, returning Mon, 28 Sep.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Islip on Sat, 26 Sep, arriving in Boston Logan International.Inbound indirect flight with Southwest Airlines, departs from Boston Logan International on Mon, 28 Sep, arriving in Islip.Price includes taxes and charges.From $616, select.

Boston.$633 per passenger.Departing Fri, 31 Jul, returning Sun, 2 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Islip on Fri, 31 Jul, arriving in Boston Logan International.Inbound indirect flight with Southwest Airlines, departs from Boston Logan International on Sun, 2 Aug, arriving in Islip.Price includes taxes and charges.From $633, select.

Boston.$744 per passenger.Departing Fri, 9 Oct, returning Mon, 12 Oct.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Islip on Fri, 9 Oct, arriving in Boston Logan International.Inbound indirect flight with Southwest Airlines, departs from Boston Logan International on Mon, 12 Oct, arriving in Islip.Price includes taxes and charges.From $744, select.

Boston.$898 per passenger.Departing Thu, 9 Jul, returning Sun, 12 Jul.Return flight with Cape Air.Outbound direct flight with Cape Air departs from Islip on Thu, 9 Jul, arriving in Boston Logan International.Inbound direct flight with Cape Air departs from Boston Logan International on Sun, 12 Jul, arriving in Islip.Price includes taxes and charges.From $898, select.

Find the cheapest month to fly from Islip to Boston Logan International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Islip to Boston Logan International flights are currently cheapest in November.

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Direct flights from Islip to Boston Logan International

Islip to Boston Logan International: Alternative routes

Compare routes from Islip to Boston below. You may find an airport to fly into that's cheaper, faster, or easier than Boston Logan International.

Islip to Boston: Flight information

The things to know before you go.

Cheapest flight found	$610
Cheapest month to fly	December
Average flight time	1 hr, 28 mins
Most popular airline	Cape Air
Average flights per week	39

Finding cheap flights from Islip to Boston Logan International: Frequently asked questions

How much are return flights from Islip to Boston Logan International?

The best price we found for a return flight from Islip to Boston Logan International is $610. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Islip to Boston Logan International?

1 hour and 28 minutes is the average flight time from Islip to Boston Logan International.

Which airlines fly direct from Islip to Boston Logan International?

Cape Air flies direct from Islip to Boston Logan International.

How many flights are there a week from Islip to Boston Logan International?

As of June 2026, there are 39 flights per week flying from Islip to Boston Logan International.

When is the cheapest time to fly from Islip to Boston Logan International?

The cheapest month to fly from Islip to Boston Logan International is usually December.

Which upcoming date is cheapest to fly from Islip Airport to Boston Logan International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Islip Airport to Boston Logan International Airport on Thursday, 10 December 2026.

Can I get a direct flight from Islip Airport to Boston Logan International Airport?

Yes – the average flight time is 1 hour and 28 minutes.

How can I find the best flight deal to Boston Logan International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Boston Logan International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Boston?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Boston is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Islip Airport to Boston Logan International with?

Currently, Southwest Airlines and Cape Air offer the cheapest flight tickets to Boston Logan International.

Travelling from Islip Airport (ISP) to Boston Logan International Airport (BOS): what you need to know

The average time for a direct flight from Islip Airport to Boston Logan International Airport is 1 hour 30 minutes.
Islip and Boston are in the same timezone, UTC-5.
Pack your bags and choose from 23 weekly Islip Airport to Boston Logan International Airport flights.
Arriving two hours before an international flight and one hour ahead of a domestic departure are tried-and-true travel tips. Show up at the airport on time to catch your ISP to BOS flight.
During popular months like July, you'll want to get to the airport earlier than normal. Arrive two hours before a domestic departure and four hours ahead for international flights when you travel during peak periods in general.
Cape Air is your ticket to exploring Boston (and perhaps some other exciting corners of the United States!). Browse the direct flights from Islip Airport to Boston Logan International Airport offered by this popular carrier.
Most passengers choose to travel with Cape Air on this route.
Cape Air is the most punctual carrier that operates ISP to BOS flights, with 73.21% of its services reaching their destination on time.
We make it simple to book a flight with a stopover. To see all your options for tickets from Islip Airport to Boston Logan International Airport, deselect 'Direct flights only.' Then, pick a flight with a stop long enough to explore the city of your choice. Worthwhile stopovers between ISP and BOS include:
- Baltimore Washington International Airport
- Raleigh / Durham Airport
- Myrtle Beach International Airport

How to find the cheapest flights from Islip Airport (ISP) to Boston Logan International Airport (BOS)

At the moment, $305 is the cheapest price we've found for a one-way Islip Airport to Boston Logan International Airport flight. The best price for a return ticket is $610. Keep in mind that fares could change due to demand at the time of booking.
Don't leave everything to the last moment. You're more likely to get cheap tickets from ISP to BOS if you book ahead. Airlines often offer some amazing early bird discounts.
The cheapest month for flights from Islip Airport to Boston Logan International Airport is May. Use the 'Whole month' tool to find the lowest airfares if you have flexible dates.
Picking up cheap flights from ISP to BOS is a breeze with Price Alerts. Simply create one of these automatic alerts and we'll notify you as soon as there's a better deal.
Tailor your trip with filters. Pick your arrival and departure times, airlines and total journey duration. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from Islip Airport to Boston Logan International Airport.

Handy information about Islip Airport (ISP)

The address for ISP is 100 Arrivals Avenue.
When it comes to the on-time performance of Islip Airport, 76% of flights stick to their scheduled arrival time.
Islip Airport is around 6 kilometres from central Islip. If you're driving, catching a taxi or ride-sharing from the centre, it'll take you 10 minutes or so to arrive, depending on the traffic.
Planning to catch public transport? You can expect a journey time of around 30 minutes.
Get your travels off to a stress-free start by staying near ISP. Whether you're taking an early flight from Islip Airport to Boston Logan International Airport or just don't want to be rushed, these stays have you covered:

Arriving at Boston Logan International Airport (BOS)

Book a hotel close to BOS if you're taking a late Islip Airport to Boston Logan International Airport flight. Choose one of these accommodation options and skip the long transfer:
Say yes to new adventures by picking up a Boston Logan International Airport rental car. Grab your wheels from Dollar, Budget or Thrifty and experience the lesser-explored corners of Boston and beyond.
Booking your vehicle from Boston Logan International Airport around one week in advance can help you get the best possible rate.

Getting from Boston Logan International Airport (BOS) to central Boston

BOS is located at One Harborside Drive.
From Boston Logan International Airport, Boston is approximately 8 kilometres away. It takes around 20 minutes to get to the centre driving.
When travelling on public transport, expect a journey of roughly 25 minutes.

When to fly to Boston Logan International Airport (BOS)

The quietest month for a flight from Islip Airport to Boston Logan International Airport is March, while July is the busiest. Pick the ideal time to visit Boston based on whether you prefer a bustling atmosphere or a more laid-back vibe.
Lock in your flight from Islip Airport to Boston Logan International Airport for July if you want to visit Boston during its warmest month. You can expect temperatures of between 16ºC and 29ºC.
For cooler conditions, search for a cheap ticket from ISP to BOS in January. Average temperatures are between -8ºC and 6ºC then.

Explore more of the United States

Boston is always a good idea, but there are so many other parts of the United States waiting to be explored. About 306 kilometres south-west of Boston, a trip to New York will keep you on the move. Start with leading sights like Central Park, Statue of Liberty and Metropolitan Museum of Art.
Philadelphia is another must-experience destination in the United States and is around 434 kilometres south-west of Boston. No journey is complete without dropping by Independence Hall, Liberty Bell and Philadelphia Museum of Art.