Andy, you have to book the Amex Platinum 2 for 1 companion ticket directly through Amex's Platinum services and it's based upon availablity and specific routes/airlines.
🚢 Cruise with your favorite Keene Luxury Travel Staff Member! 💰 5% KLT Reward plus Shipboard Credit available (amount varies per voyage)! 💲 Offering Enhanced KLT Rewards on voyages hosted by Ngaire & Clay!
