Still working until October 3rd, it seems!
Woke up this morning and thought I missed it, but it looks like it’s good through October 3rd now? Clicked through and the site said:
Buy miles 2×1 and live them more!
Buy miles and receive the double!
Buy miles 2×1 is back! The promotion that has been recognized as the best in the Americas, at the 2014 Freddie Awards.
Between September 2nd and October 3rd, for each block of 1,000 miles you buy, LifeMiles will give you a bonus of 100% more that can be redeem to fly to more than 1,250 destinations with Avianca, Star Alliance member airlines and other partner airlines. You can also enjoy your miles with the program’s extensive commercial partner network:
They were more than happy to take my credit card and my new 2 for 1 mileage shows on my LifeMiles account and AwardWallet!