Flight
Sky Harbor will have lots of flight options. Gateway is much more limited, but they have connections to other smaller airports that may be more convenient depending on where you're flying from.
Travel Note
Both airports are about a 20-25 minute drive from the venue without traffic. We would recommend taking Ubers or making arrangements for a rental car.
Hotel
You can book here at the wedding rate (up to 20% off) with this group code. It's about a 15 minute drive from the venue.
Discount Code - 85917
Hotel
This hotel is also about a 15 minute drive from the venue. This one is near to several good food and drink options in downtown Mesa.