Originally Posted by
hillrider
Assuming that the above fares are round-trip, the 5451 miles you get (50% of roundtrip) for $108 will cost you 1.98c each.
This is far from a good deal, actually you pay more for them than what they're worth if you value them in the typical 1.5-1.8c/mile range!
AA currently has the Double miles promo going on. In the short term, it might make the extra $$ worthwhile.