The best day to arrive at Singapore is Friday and it would be best to avoid Saturday, as prices are on average 517.45% higher than on Friday. (Average prices, based on 346201 datapoints.)
Mon
Monday€ 482
Tue
Tuesday€ 295
Wed
Wednesday€ 476
Thu
Thursday€ 205
Fri
Friday€ 79
Sat
Saturday€ 485
Sun
Sunday€ 276
Analyse direct flights between Singapore and Perth.