Reseller discount vouchers do not expire. However, they must be used within 6 months from the date of purchase to receive the discount. The discounted rate can be extended for another 6 months by paying an upgrade fee of $59.00/person. AF (Adventure Flights) discount vouchers do not expire. However, they must be used within 12 months from the date of purchase to receive the discount. The discounted rate can be extended for another 12 months by paying an upgrade fee of $99.00/person.