$85 Find Cheap Flights from Islip to Boston

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Find cheap flights from Islip to Boston starting at $85.

Book one-way or return flights from Islip to Boston from as little as $85. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Islip to Boston? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Islip to Boston. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap airlines flights from Islip to Boston

View airlines operating flights from Islip to Boston. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From $85

Breeze Airways

From $140

Southwest Airlines

From $355

ANA airlines

Find more flights and airlines

Find cheap flights from Islip to Boston by different airports

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Islip to Boston.

Cheapest
ISP
19:11
17h 14m
1 transfer
BOS
12:25
Long Island Macarthur Airport - General Edward Lawrence Logan International Airport
Wed, May 1Frontier Airlines
$85
ISP
19:11
17h 14m
1 transfer
BOS
12:25
Long Island Macarthur Airport - General Edward Lawrence Logan International Airport
Wed, May 1Frontier Airlines
$85
Find More Flights

Frequently Asked Questions

When are flight tickets from Islip (ISP) to Boston (BOS) the cheapest?
Airlines adjust prices for flights from Islip to Boston based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Islip (ISP) to Boston (BOS) cost?
According to Trip.com's data, the lowest price is around $217.

How to find a cheap flight from Islip to Boston

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Islip to Boston. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

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