The best day to arrive at Clark is Friday and it would be best to avoid Monday, as prices are on average 1654% higher than on Friday. (Average prices, based on 570300 datapoints.)
MondayNZD 2125
Mon
TuesdayNZD 435
Tue
WednesdayNZD 429
Wed
ThursdayNZD 226
Thu
FridayNZD 121
Fri
SaturdayNZD 132
Sat
SundayNZD 167
Sun
Analyse direct flights between Clark and Singapore.