Airlines often add incentives to transfer hotel points to them, because the hotel chains actually pay the airlines for the miles you get. From August 22 - Sept 18 Air Canada’s frequent flyer program Aeroplan is now offering up to 5,000 extra Aeroplan miles when you transfer the equivalent of 25,000 miles or hotel points into Aeroplan miles. Registration required.Bonus structure:Hotel points -> at least 5,000 Aeroplan = 1,000 bonusHotel points -> at least 10,000 Aeroplan = 2,000 bonusHotel points -> at least 25,000 Aeroplan = 5,000 bonusBonus can be earned once per hotel partner, who include:Starwood Hotels & Resorts- Starwood Preferred Guest®Best Western International® - Best Western Rewards®Marriott® International - Marriott Rewards®Hilton Worldwide® - Hilton HHonors®InterContinental® Hotels Group - Priority Club® RewardsAccor Hotels and Resorts - A|ClubCarlsonSM Hotels Worldwide - Club CarlsonSMChoice Hotels International® - Choice Privileges®Coast Hotels & Resorts – Coast RewardsHyatt Hotels & Resorts® - Hyatt Gold Passport™Shangri-La Hotels and Resorts – Golden CircleWyndham Worldwide - Wyndham Rewards®TPG reader Martin emailed me that he was excited for this promo, since he’d now have a good reason to transfer the Wyndham points he bought on the cheap, back in May during the Discover America promotion....