Flight Savings Account allows you to make monthly payments towards an estimated cost for you upcoming vacation air accommodations. Estimated cost for flight is subject to fluctuate until final payment has been made on air accommodations. Upon making final payment, passenger will be responsible for any difference in cost beyond the funds that will be applied from Flight Savings Account towards cost of air accommodations final payment. Passenger will be refunded any difference in funds from Flight Savings Account that is left over after final payment has been made on air accommodations. Vacations eligible to utilize Flight Savings Account option are vacations booked at least 3 months prior to travel date.