Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Glasgow to Flagstaff as you normally would.
For a flight from Glasgow to Flagstaff, you will be flying into Flagstaff Pulliam. Flagstaff Pulliam (FLG) is just 4.3 mi from the center of the city. Flagstaff Pulliam is the only Flagstaff airport and it handles 0 inbound flights from Glasgow per day. 0 airlines have flights to Flagstaff Pulliam from Glasgow on a regular basis.