Flight
The airport you'll fly into/out of is Kahului (OGG). Google Flights, Southwest Airlines, or Alaska Airlines generally have the most inexpensive flight options!
House Or Rental
Airbnb offers a wide selection of spots to stay in the area, at an inexpensive price. Kapalua is a quieter area, but if you're looking to stay closer to some action, Kaanapali is about 15 minutes down the road, with quite a few reasonable rental options as well.
Hotel
There are a variety of affordable hotel options in Kaanapali, which is a 10-15 minute drive from the venue. Kaanapali Beach is very popular, and the area is full of restaurants, shops, and things to do. It's a perfect location for people looking to extend their stay on Maui!