My experience In HNL (mostly off peak travel) has been last minute pricing is 1/2 the one week out pricing. Typically though, we can take whatever is available (as just two of us). You may want to book what you need and then two days before arrival, recheck. We just paid about $90 for two day rental of intermediate SUV about a week ago. If you are a fast break account holder, you can get $25 in budget bucks for every two, two + day rentals, plus some miles. Just compare with Priceline first as their pricing is usually where Budget gets to at two days out.