How about BoA Virgin Atlantic 45k instead of Hawaiian? Gets you 80k Hilton plus 5k left over, or 100k Hilton and none left over if you add an authorized user.
Virgin gets you 50K easy. Those miles are usable on CO & US
or Hawaiian. On HA they have lower reward levels too- for instance Hawaiian charges 15K RT inter-island but through Virgin it's only 6K RT inter-island on Hawaiian !