Question : Is there another local airport that can get you to Salt Lake City?
Answer : Molokai Airport is a great airport, but in getting you to Salt Lake City, there is a lower cost option – Kahului Airport. It's just 46 miles away and flights are being priced 33% cheaper over the upcoming two months.
Question : How long do most people stay in Salt Lake City?
Answer : Of course you're not most people, but if you were, you'd stay roughly one week.
Question : Is price more important than specific travel days for you?
Answer : For the month of March, the cheapest day to fly is Saturday. Being flexible with your travel days garners even more savings during booking.