September 7 until November 15 Hawaiian Air will offer Double HA Miles for Economy Class Ticket.

For Sea/PDX use Designator Code HM0149
For SFO use Designator Code MH0162

Awesome deal!
And if I buy one of those anniversary coupon books, I'll get an add'l 5000 bonus miles...
Let's see Hnl-Sea-Sfo-Hnl 10,354 + 5000
= 15,354

"Looks so good, I think I'll do it twice!"