Delta has been sending out targeted offers for double miles on flights between United States and Delta’s Asian destinations. This offer is targeted and you need to register using the link in Delta’s email. This offer is valid for trips all the way to December 31, 2013. You can access Delta’s webpage for this promotion here.
Bonus Offer: Purchase and fly on Delta marketed and operated flights to or from the U.S. and the following cities in Asia: Beijing/PEK, Shanghai/PVG, Guam/GUM, Hong Kong/HKG, Narita/NRT, Osaka/KIX, Fukuoka/FUK, Haneda/HND, Nagoya/NGO, Saipan/SPN, Palau/ROR, Manila/MNL, Singapore/SIN, Seoul Incheon/ICN, Taipei/TPE, Bangkok/BKK, between February 15, 2013, and December 31, 2013, and earn double bonus miles on all flight segments purchased with a published fare that earns full mileage accrual. Codeshare flights operated by carriers other than Delta are excluded from this offer. There is no limit to the bonus miles that can be earned within the qualification period. Travel may originate or terminate in any city; however, bonus miles will only be earned based on travel flown on Delta operated flights to or from the U.S. 50 and the eligible cities listed.