Cheap flights from Islip to Boston (ISP - BOS) from $119

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 71% on the overall cost on flights from Islip to Boston.

Users have found that booking a flight from Islip to Boston at least 38 days early can save you up to 62% on average compared to booking a flight this week. If booking 38 days before your flight isn’t an option for you, users have found flights from Islip to Boston for as little as $171 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $248 for flights departing within the next 3 days.

March is one of the best times of the year to fly to Boston from Islip. Prices for March average $164 per person but you can even find prices for as low as $77. The most expensive prices can be found in the month of November. Opting for a March flight can save you 26% on your journey compared to booking in November

A simple way to save on the total cost of your ticket is to fly from Islip to Boston at noon. If you’re flexible enough to do this you can expect to save up to 9% on your trip compared to booking a flight in the morning.

Linear Air Taxi is one of the carriers that may have flexible change policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Yes, there are multiple flights from Islip to Boston for under $400. The cheapest flight booked recently is on Multiple Airlines for just $391, but on average you can expect to pay $552.

There are currently 4+ open flights from Islip to Boston within the next 7 days for less than $400.

Islip Long Island Airport is ISP and Boston Logan Intl Airport is BOS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.