The best month to fly with Flight SL21 is August and the most expensive month to fly is September. (Average prices, based on 648 datapoints.)
The best day to arrive at Denpasar Bali is Thursday and it would be best to avoid Sunday, as prices are on average 31.59% higher than on Thursday. (Average prices, based on 771644197 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 562 datapoints.)