A Delta Air Lines retrofitted Boeing 767-400. (Photo by Benji Stawski/The Points Guy) If you spend a lot on airfare and hotels booked through Amex Travel, it may be worth keeping your Amex Business Platinum card. After all, the Amex Business Platinum earns 5x Membership Rewards points on flights and prepaid hotels booked through with American Express Travel. TPG values American Express Membership Rewards points at two cents per point. So, you’d get an approximate 10% return on purchases that earn 5x points. Additionally, you’ll get a 35% rebate when you Pay With Points for select flights. Specifically, you’ll get 3.5 points back for every 10 points redeemed when you use Membership Rewards Pay with Points through Amex Travel for: