No, you cannot transfer American Airlines (AA) AAdvantage miles to your spouse—or anyone else—for free. American Airlines charges a fee for all mile transfers between accounts. In 2026, the cost is approximately 0.5 cents per mile, meaning a transfer of 10,000 miles would cost roughly $50. While this is a reduction from previous years' rates, it still represents a significant cost. There is a common "travel hack" to bypass this: instead of transferring the miles, you can use your own miles to book a flight directly for your spouse. When booking an award ticket on aa.com, you simply enter your spouse's name as the traveler; the miles are deducted from your account, but the ticket is issued in their name at no extra cost. This is the most efficient way to share miles without paying the transfer fees. Transferring is only recommended if your spouse is just a few miles short of a high-value redemption that they are booking from their own account.