Here's a few route ideas for comment. You can probably tell that I like to drive so if these routes are too long let me know.
These routes assume you will arrive in PHX on Thursday evening or early Friday morning and depart from Flagstaff on Sunday morning.
#1
Arrive Phoenix Thursday PM or early Friday
PMS tour Friday AM
Friday Drive PHX > Wickenburg > Prescott (124 miles)
Overnight in Prescott
Saturday Drive Prescott > Cottonwood > Pine > Flagstaff (159 miles)
Awards dinner Saturday night in Flagstaff
Sunday - game over, go home
Click to view attachment #2
PMS tour Friday AM
Friday Drive PHX > Payson > Camp Verde (147 miles)
Overnight in Camp Verde
Saturday drive Camp Verde > Sedona > AZ Snowbowl > Flagstaff (93 miles)
Awards dinner Saturday night in Flagstaff
Sunday - game over, go home
Click to view attachment #3
PMS tour Friday AM
Friday Drive PHX > Payson > Camp Verde (147 miles)
Overnight in Camp Verde
Saturday Drive Camp Verde > Cottonwood > Sedona > Valle (Planes of Fame museum) > Flagstaff (181 miles)
Awards dinner Saturday night in Flagstaff
Sunday - game over, go home
Click to view attachment #4
PMS tour Friday AM
Friday Drive PHX > Payson > Winslow
Overnight in Winslow
Saturday Drive Winslow > AZ Snowbowl > Flagstaff (85 miles)
Option to add Valle Planes of Fame museum adds 90 miles to Saturday drive
Awards dinner Saturday night in Flagstaff
Sunday - game over, go home
Click to view attachment