Frontier hides piggy banks with free flight vouchers

If you live in Tampa, Atlanta, or Dallas (or in Philadelphia, Phoenix, Denver, or Cincinnati) be on the lookout for a little ...
The ultra-low-cost Frontier Airlines hid five piggy banks in downtown Phoenix as part of its #DiscoverDiscountDen ...
The discount carrier hid five Frontier-branded piggy banks containing a $1,000 flight vouchers and one-year membership ...