Click on the link "American Express Membership Rewards" under "References" at the bottom of this page. It will take you to the American Express website, where you can search for flights.
Log in to your American Express Membership Rewards account by entering your username and password under the heading "Log In."
Search for a flight by entering the departure and arrival locations and dates. Click "Search Flights" to continue.
Look through the options and choose a flight. Next to each flight will appear its reward points information, listing points needed for purchase, cost of the flight in U.S. dollars and the number of points in your account. Click on the prompt at the bottom of the page to continue to the billing process.
Choose how you want to pay for your flight. You can choose to pay for the entire flight with points, pay with cash and points or pay with only cash. Enter your American Express card number and billing information to complete the process. You will see the entire cost of the flight on your billing statement. You will see a credit to your account for any amount paid with points.
