February can be a great time to fly to Guam from Phoenix Sky Harbor Intl Airport with a flight ticket averaging about $2,089. Cheapflights users have found deals in the month of February for as cheap as $1,330. The most expensive prices can be found in the month of January.
When flying from Phoenix Sky Harbor Intl Airport to Guam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.