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Flights from Islip to Boston Starting at £73

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

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

Find the best time to fly from Islip to Boston

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying 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 £73
Breeze Airways
From £172
Southwest Airlines
From £282
ANA airlines

Find more flights and airlines

Alternative Routes from Islip to Boston

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Islip to Boston.

  • Cheapest
    Frontier Airlines
    ISP
    21:37
    11h 8m
    1 transfer
    BOS
    08:45
    Long Island Macarthur Airport - General Edward Lawrence Logan International Airport
    Thu, Apr 4Frontier Airlines
    £73
  • Frontier Airlines
    ISP
    21:37
    11h 8m
    1 transfer
    BOS
    08:45
    Long Island Macarthur Airport - General Edward Lawrence Logan International Airport
    Thu, Apr 4Frontier Airlines
    £73
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from Islip (ISP) to Boston (BOS) the cheapest?

    Airlines adjust prices for flights from Islip to Boston based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much are flights from Islip (ISP) to Boston (BOS) cost?

    According to Trip.com's data, the lowest price is around £219.
  • What's the most popular airline for direct flights from Islip (ISP) to Boston (BOS)?

    Hopscotch Air operates 1 direct flights from Islip (ISP) to Boston (BOS).
  • How many airports in Boston (BOS)?

Flight Information from Islip to Boston

Cheapest direct flight price

£72

Cheapest month

December

Peak season for travel

June