Flying into the Boise Airport is your best bet for flights!
Hotels near the venue:
Candlewood Suites: https://www.ihg.com/candlewood/hotels/us/en/meridian/mercw/hoteldetail?cm_mmc=GoogleMaps-_-CW-_-US-_-MERCW
Towneplace Suites:
https://www.marriott.com/reservation/rateListMenu.mi
Hilton Garden Inn:
https://www.hilton.com/en/hotels/boigigi-hilton-garden-inn-boise-spectrum/?SEO_id=GMB-AMER-GI-BOIGIGI&y_source=1_MjA4NDk4OS03MTUtbG9jYXRpb24ud2Vic2l0ZQ%3D%3D
There are also many Airbnb's in Meridian if you prefer to stay with friends and family!
From the airport, to venue, to all housing options, it is accessible by Uber if you do not want to rent a vehicle.
Flying into the Buffalo/Niagara Airport is the best option, Rochester Airport sometimes has good deals, but will require an hour drive to Alden.