The best day to arrive at Pekanbaru is Friday and it would be best to avoid Tuesday, as prices are on average 38.33% higher than on Friday. (Average prices, based on 20520233 datapoints.)
Mon
Monday€ 68
Tue
Tuesday€ 94
Wed
Wednesday€ 73
Thu
Thursday€ 81
Fri
Friday€ 68
Sat
Saturday€ 76
Sun
Sunday€ 81
Analyse direct flights between Pekanbaru and Surabaya.
