The best day to arrive at Davao is Wednesday and it would be best to avoid Monday, as prices are on average 222.57% higher than on Wednesday. (Average prices, based on 339652 datapoints.)
MondayPHP 5.077
Mon
TuesdayPHP 3.639
Tue
WednesdayPHP 1.574
Wed
ThursdayPHP 4.222
Thu
FridayPHP 2.015
Fri
SaturdayPHP 2.957
Sat
SundayPHP 1.986
Sun
Analyse direct flights between Davao and Zamboanga.