Log in to your frequent-flyer account. Check the amount of miles in your account. For Continental, a minimum transfer of 2,000 miles is required, and transfers can be made in 1,000-mile increments. American Airlines allows transfers in 1,000- mile increments, up to 60,000 miles per year. Delta requires a minimum transfer of 1,000 miles with a maximum of 30,000 miles.
Transfer your miles to another member of the same rewards program. To transfer with Continental, there is a $15 fee (as of January 2011), and miles must be transferred in 1,000-mile increments at a maximum of 60,000 miles per transaction. After logging into your account, select the "Transfer OnePass Miles" tab and fill out the required information. As of January 2011, American Airlines charges $50 to transfer between 1,000 and 5,000 miles; $100 to transfer 5,001 to 10,000 miles; and $150 to transfer between 10,001 and 15,000 mileage points, which doesn't include the $30 processing fee and taxes. Click on the "Buy, Gift, Share Miles" option under the AAdvantage tab. Delta has a minimum transaction of 1,000 miles and a maximum of 30,000. The rate for Delta is $0.01 per mile with a $30 processing fee plus applicable taxes. Log in to SkyMiles and select the "Buy/Transfer Miles" option.
Give the miles as a gift. Continental only allows transfers of miles to other OnePass members. To gift miles with American Airlines and with Delta, you must know the recipient's frequent-flyer information. For Delta, miles can be gifted in 2,000-mile increments, from anywhere between 2,000 and 60,000 miles. As of January 2011, the rate per mile is $0.028 plus applicable taxes. American Airlines allows gifts of 1,000 to 40,000 miles; the rate for 1,000 miles is $27.50, or $1,000 or 40,000 miles. The rates don't include the $30 fee and taxes. To gift miles with either service, log into your account and fill out the required information.