Cheap Flights from Boston Logan International to Islip

Compare Boston Logan International to Islip flight deals

Find the cheapest month or even day of the year to fly to Islip

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Flight deals from Boston Logan International to Islip

Looking for a cheap last-minute deal or the best return flight from Boston Logan International Airport to Islip Airport? If you want to travel next month, return fares start from $609. Find the lowest prices on one-way and return tickets right here.

Islip.$609 per passenger.Departing Thu, 10 Dec, returning Thu, 17 Dec.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Thu, 10 Dec, arriving in Islip.Inbound indirect flight with Southwest Airlines, departs from Islip on Thu, 17 Dec, arriving in Boston Logan International.Price includes taxes and charges.From $609, select.

Islip.$609 per passenger.Departing Wed, 22 Jul, returning Tue, 28 Jul.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Wed, 22 Jul, arriving in Islip.Inbound indirect flight with Southwest Airlines, departs from Islip on Tue, 28 Jul, arriving in Boston Logan International.Price includes taxes and charges.From $609, select.

Islip.$614 per passenger.Departing Mon, 10 Aug, returning Tue, 11 Aug.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Mon, 10 Aug, arriving in Islip.Inbound indirect flight with Southwest Airlines, departs from Islip on Tue, 11 Aug, arriving in Boston Logan International.Price includes taxes and charges.From $614, select.

Islip.$1,417 per passenger.Departing Fri, 26 Jun, returning Sun, 28 Jun.Return flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Boston Logan International on Fri, 26 Jun, arriving in Islip.Inbound indirect flight with Southwest Airlines, departs from Islip on Sun, 28 Jun, arriving in Boston Logan International.Price includes taxes and charges.From $1,417, select.

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

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

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Direct flights from Boston Logan International to Islip

Boston Logan International to Islip: Alternative routes

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

Boston to Islip: Flight information

The things to know before you go.

Cheapest flight found	$607
Cheapest month to fly	December
Average flight time	1 hr, 34 mins
Most popular airline	Cape Air
Average flights per week	28

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

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

The best price we found for a return flight from Boston Logan International to Islip is $609. 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 Boston Logan International to Islip?

1 hour and 34 minutes is the average flight time from Boston Logan International to Islip.

Which airlines fly direct from Boston Logan International to Islip?

Cape Air flies direct from Boston Logan International to Islip.

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

As of June 2026, there are 28 flights per week flying from Boston Logan International to Islip.

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

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

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

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

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

Yes – the average flight time is 1 hour and 34 minutes.

How can I find the best flight deal to Islip?

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 Islip 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 Islip?

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

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

Currently, Southwest Airlines offers the cheapest flight tickets to Islip.

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

Around 1 hour 30 minutes is how long you can expect to be travelling on a direct flight from Boston Logan International Airport to Islip Airport.
Pack your bags and choose from 23 weekly Boston Logan International Airport to Islip Airport flights.
Arrive at the airport on time so you don't miss your BOS to ISP flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.
During popular months such as July, you'll want to get to the airport earlier than usual. Arrive two hours before a domestic departure and four hours ahead for international flights whenever you're flying during a peak period in general.
Jetting into Islip (and then exploring more of the United States!) is a breeze with Cape Air. This popular carrier offers direct flights from Boston Logan International Airport to Islip Airport.
The airline most travellers prefer to fly with on this route is Cape Air.
The carrier with the top on-time arrival rate for BOS to ISP flights is Cape Air.
We make it easy to book a flight with a stopover. To see all your options for tickets from Boston Logan International Airport to Islip Airport, uncheck 'Direct flights only.' Then, choose a flight offering a stop long enough to explore the city of your choice. Some great stopovers between BOS and ISP include:
- Baltimore Washington International Airport
- Raleigh / Durham Airport
- Charleston Airport

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

$301 is the lowest price for a one-way Boston Logan International Airport to Islip Airport flight. Return flights start from $609. These prices may change based on availability.
Don't leave everything to the last minute. You're more likely to find cheap tickets from BOS to ISP if you book in advance. Airlines often have some terrific early bird rates.
The 'Whole month' tool shows you the cheapest flights from Boston Logan International Airport to Islip Airport across the entire month. It's a good way to find a bargain if your plans aren't set in stone.
You don't need to check back in every day to see if fares have dropped when you create a Price Alert. We'll notify you the moment there's a better deal on cheap flights from BOS to ISP.
Choose your ideal arrival and departure times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Boston Logan International Airport to Islip Airport.

Handy information about Boston Logan International Airport (BOS)

You'll find BOS at One Harborside Drive.
75% of flights taking off from Boston Logan International Airport reach their destination on schedule.
To get to Boston Logan International Airport from central Boston, it takes around 20 minutes if you're travelling by car. This depends on traffic though. It's approximately 8 kilometres from the airport to the city centre.
Taking public transport? Expect a trip time of around 25 minutes.
Need a convenient hotel near BOS? If you're catching an early flight from Boston Logan International Airport to Islip Airport, these accommodation options will put you moments from your check-in counter:

Arriving at Islip Airport (ISP)

If you're arriving on a late Boston Logan International Airport to Islip Airport flight, nothing beats the convenience of being near the terminal. Grab your luggage from the carousel and then be showered and resting shortly after at one of these options near ISP:
Travel at your own speed with a Islip Airport rental car. Book your wheels from Enterprise, Budget or Avis and chase adventure across Islip and beyond.
Reserve your vehicle from Islip Airport a few weeks in advance to get the lowest price possible. If you're travelling during peak season, it's wise to book even earlier.

When to fly to Islip Airport (ISP)

It's time to plan your dates for your flight from Boston Logan International Airport to Islip Airport. July is the most popular month to visit Islip. If you prefer a more laid-back vibe, go in December.
Before locking in your flight from Boston Logan International Airport to Islip Airport, think about the type of weather you enjoy. July is the warmest month in Islip, with the temperature ranging from 19ºC to 29ºC.
January has average temperatures of between -4ºC and 8ºC. Look for cheap tickets from BOS to ISP around that time if you want to travel in cooler conditions.

Explore more of the United States

Islip has loads to offer, but there are so many other parts of the United States you'll want to see. About 64 kilometres west of Islip, a visit to New York will keep your itinerary packed. Check out popular attractions like Central Park, Statue of Liberty and Metropolitan Museum of Art.
Philadelphia is another standout destination in the United States and is around 193 kilometres south-west of Islip. No journey is complete without dropping by Independence Hall, Liberty Bell and Philadelphia Museum of Art.