On their ticket website, Arizona says
Arizona TicketsSingle game tickets start at just $7 and fluctuate based on game and seat location and will go on sale Summer 2022.
They show 3 sales dates, it looks like the tickets get cheaper if you are willing to wait:
June 4- Single-game tickets on sale to general public using Bear Down Pricing
June 18 - Bear Down Pricing drop
July 9 - Single-game tickets on sale
Bear Down Pricing gives you the opportunity to purchase tickets to Arizona Wildcats home football games at a premium price and earlier date. It starts on June 5 and will be adjusted twice until reaching the base level price on July 11.