Hello, Based on my experience, korean air skypass mileage program offers valuable redemption options, especially for long-haul flights. I utilized my miles to upgrade from economy to Prestige Class on a Seoul to Los Angeles route, which required 62,500 miles during the off-peak season, as per their redemption table . The process was straightforward, and the upgrade significantly enhanced my travel comfort. Additionally, SKYPASS miles can be redeemed for flights on SkyTeam partners, hotel stays, and car rentals . Overall, the flexibility and value offered by the SKYPASS mileage program made my travel experience more rewarding.