Deal Link: https://www.aa.com/i18n/aadvantage-program/miles/partners/hotels/convert-hotel-points-to-miles.jsp
Expiry: Jun 15, 2017
You can earn 25% bonus miles when you convert hotel points to American Airlines AAdvantage miles before Jun 15, 2017.
Participating Hotels: Best Western, Club Carlson, Choice Privileges, Hilton, Hyatt, IHG, Marriott, SPG, Wyndham.
That means that if you convert your 270,000 Marriott hotel points into AAdvantage miles through the Marriott package, you will get 150,000 AA miles + 7 nights Cat1-5 certificate.