To save on the cost of your flight from Islip, New York to Milwaukee, book at least 24 days before your planned departure. Booking around this time can save you about 39% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $304 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $409.
When flying from Islip, New York to Milwaukee, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
August can be a great time to fly to Milwaukee from Islip, New York with a flight ticket averaging about $285. Cheapflights users have found deals in the month of August for as cheap as $162. The most expensive prices can be found in the month of November.