Barclay Frontier Airlines World MasterCard® – Annual Fee Review Review coming soon Application Link Contents1 Sign Up Bonus1.1 Current Sign Up Bonus1.2 Sign Up Bonus History Sign Up Bonus Current Sign Up Bonus June 9th, 2013 – Current: 40,000 Frontier Miles when you spend $500 within the first 90 days, 10,000 miles when you do a balance transfer (1 mile per $1 transferred, 0% introductory APR for the first 12 billing cycles and a transfer fee of $10 or 4%, whatever is higher) (this is the highest this sign up bonus has ever been) Sign Up Bonus History