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 Pangkalan Bun is March and the most expensive month to fly is April. (Average prices, based on 995 datapoints.)
The best day to arrive at Jakarta is Wednesday and it would be best to avoid Sunday, as prices are on average 13.62% higher than on Wednesday. (Average prices, based on 995 datapoints.)