Rather than buying miles cheaply, you can find extreme value by waiting for unadvertised . SkyMiles Award Deals | Delta Air Lines
: If you buy miles to top off an account for a flight, this feature essentially makes each of those miles go 15% further, lowering the "effective cost" of the flight. 3. Delta "Pay with Miles" buy skymiles cheap
: When logged in, cardholders see a discounted mileage rate for all Delta-operated flights. Rather than buying miles cheaply, you can find
: You can use miles in 5,000-mile increments to take $50 off your fare. Rather than buying miles cheaply
This feature is exclusive to Delta American Express cardholders and allows you to use miles like cash at a fixed rate of to reduce the price of a revenue ticket.