Amex 20% Transfer Bonus to Aeromexico: Fly Biz to Mexico City, Madrid, or Tokyo for Less

Now through October 30, 2026, US-based American Express cardmembers can get a 20% transfer bonus when transferring Membership Rewards to Aeromexico Rewards. Utilize this transfer bonus to book lie-flat business class awards to Mexico City from 19k Amex points each way or business class to Europe for 79k Amex points. Here are the details of this limited-time promotion and how to take advantage of i