Did you perhaps mean 17,000 not 170,000 in your first post? If you have 170,000 HA miles, you have more than you need. If it is 17,000, your reference to tra sfering 3k makes more sense.

If you give a general sense of your and your husband's balances, perhaps we can help more.

But, in general, you can transfer Amex from one Amex account to another person's HA account. So, you could transfer 3k to yourself and 25k to your husband, etc. The cost to transfer is low. Not worth worrying too much about. $6 per 10,000 transfered. Once transfered, book online. It is easy. Others say Amex points o HA are instant. That is not my experience. I have had it take a few hours to half a day.

If your trip is well into the future, you may conwider applying for the HA credit card. Once approved, your husband can transfer his miles to you. Also, you get a small reduction in the number or miles needed to book from USA to HI -- about 2.5k each way.

Oh, and welcome to flyertalk.