Hey, how much are delta miles worth? In my experience, the value of delta miles typically ranges from 1 to 1.5 cents per mile, depending on the method of redemption. When I booked international or long-haul flights, I found the best value. When I exchanged my miles for upgrades, the value felt even greater. Nonetheless, when I redeemed for gift cards or made minor purchases, I received less value. If you’re asking how much Delta miles are worth, it depends on how wisely you use them.