The best day to arrive at Mumbai is Friday and it would be best to avoid Sunday, as prices are on average 80.37% higher than on Friday. (Average prices, based on 537301 datapoints.)
MondayINR 4.185
Mon
TuesdayINR 5.113
Tue
WednesdayINR 3.638
Wed
ThursdayINR 5.538
Thu
FridayINR 3.366
Fri
SaturdayINR 4.441
Sat
SundayINR 6.071
Sun
Analyse direct flights between Mumbai and Chennai.