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 Bengkulu is October and the most expensive month to fly is June. (Average prices, based on 54020 datapoints.)
The best day to arrive at Jakarta is Monday and it would be best to avoid Friday, as prices are on average 5.58% higher than on Monday. (Average prices, based on 46536 datapoints.)
The best time to fly is at around 6. (Average prices, based on 63334 datapoints.)