American Express adds Leading Hotels of the World as a Membership Rewards transfer partner

American Express is expanding its Membership Rewards program with a new luxury hotel transfer partner.Beginning July 28, eligible cardmembers can transfer Membership Rewards points to The Leading Hotels of the World's Leaders Club loyalty program at a 4:1 ratio, unlocking award stays at more than 425 independent luxury hotels across more than 80 countries.While the transfer ratio isn't as favorable as some of Amex's existing hotel partners, it opens the door to iconic properties that previously weren't accessible with Membership Rewards points.Here's what you need to know about the new partnership and how you can use it to book luxury hotel stays.A new luxury hotel option for Membership RewardsLeading Hotels of the World isn't a traditional hotel chain like Hilton, Marriott or Hyatt. Instead, it's a portfolio of more than 425 luxury independent hotels, giving travelers access to unique, high-end properties that aren't part of the major hotel loyalty programs.With this new partnership, Membership Rewards members will be able to transfer points directly to Leaders Club at a 4:1 ratio and redeem them for award stays across LHW's portfolio.This includes properties like Le Sirenuse on I...