Flights from Islip to Boston are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Boston.
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 26 days in advance, which can save you up to 23% on flights from Islip to Boston compared to booking the week you need them. Waiting 26 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $270. For sooner than that we have options available in the next 3 days from $316.