courtesy of lucky at OMAAT
prices in USD
Given the tiered bonuses, you’ll actually achieve the lowest cent per mile cost if you purchase exactly 80,000 miles. In that instance you’d receive 30,000 bonus miles plus a 10% discount. That’s a total of 110,000 AAdvantage miles at a cost of $2,313.30, which is ~2.10 cents per mile.
To compare this promotion to recent ones that AAdvantage offered:
In August 2015 AAdvantage sold miles for as little as ~2.09 cents each
In July 2015 AAdvantage sold miles for as little as ~2.0 cents each
In early June 2015 AAdvantage sold miles for as little as ~2.06 cents each
In early May 2015 AAdvantage sold miles for as little as ~2.09 cents each
In April 2015 AAdvantage sold miles for as little as ~2.0 cents each
In February 2015 AAdvantage sold miles for as little as ~2.07 cents each
In January 2015 AAdvantage sold miles for as little as ~2.14 cents each
In November/December 2014 AAdvantage sold miles for as little as ~2.06 cents each