The best day to arrive at Kolkata is Monday and it would be best to avoid Thursday, as prices are on average 253.72% higher than on Monday. (Average prices, based on 194504 datapoints.)
MondayUS $ 49
Mon
TuesdayUS $ 50
Tue
WednesdayUS $ 57
Wed
ThursdayUS $ 174
Thu
FridayUS $ 82
Fri
SaturdayUS $ 101
Sat
SundayUS $ 81
Sun
Analyse direct flights between Kolkata and Guwahati.