The best day to arrive at Surabaya is Wednesday and it would be best to avoid Monday, as prices are on average 3.8% higher than on Wednesday. (Average prices, based on 56840814 datapoints.)
MondayUS $ 67
Mon
TuesdayUS $ 66
Tue
WednesdayUS $ 64
Wed
ThursdayUS $ 65
Thu
FridayUS $ 64
Fri
SaturdayUS $ 65
Sat
SundayUS $ 64
Sun
Analyse direct flights between Surabaya and Medan.