Exchange gift cards for cash when you sell Delta Vacations gift cards on the Raise online marketplace. Try setting the selling price of your Delta Vacations gift card to at least 5% less than its current value in order to maximize your return, but ultimately the choice is yours. The higher discount you provide, the faster your gift card will sell. Delta Vacations gift cards make great holiday presents, so list your item on our gift card marketplace now while demand is high!