Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Detroit to Guam as you normally would.
The best pricing can be found in the month of October. Prices to Guam from Detroit average $1,824. You can even find prices in October for less than $1,824, as users have found deals to Guam from as low as $1,571. The month of July appears to be one of the more expensive times to travel to Guam from Detroit. Flying in the targeted month can save you up to 43%.