To save on the cost of your flight from Phoenix to Guam, book at least 56 days before your planned departure. Booking around this time can save you about 28% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,878 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $2,255.
The best pricing can be found in the month of March. Prices to Guam from Phoenix average $1,872. You can even find prices in March for less than $1,872, as users have found deals to Guam from as low as $1,018. The month of February appears to be one of the more expensive times to travel to Guam from Phoenix. Flying in the targeted month can save you up to 7%.