Please be aware that Jakarta has multiple airports and that these results are for all airports serving the city.
The best month to fly between Jakarta and Banda Aceh is March and the most expensive month to fly is December. (Average prices, based on 13665 datapoints.)
The best day to arrive at Jakarta is Monday and it would be best to avoid Sunday, as prices are on average 7.62% higher than on Monday. (Average prices, based on 36161 datapoints.)
The best time to fly is at around 10. (Average prices, based on 25212 datapoints.)