February is one of the best times of the year to fly to Islip, New York from Seattle. Prices for February average $328 per person but you can even find prices for as low as $187. The most expensive prices can be found in the month of June. Opting for a February flight can save you 45% on your journey compared to booking in June
It’s generally more expensive to depart on a Tuesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.
It’s optimal to fly from Seattle to Islip, New York at noon. By choosing this option you can save up to 45% on the cost of your flight, compared to a flight in the morning.
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 49 days in advance, which can save you up to 31% on flights from Seattle to Islip, New York compared to booking the week you need them. Waiting 49 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 $364. For sooner than that we have options available in the next 3 days from $403.