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 Palembang is October and the most expensive month to fly is June. (Average prices, based on 103677 datapoints.)
The best day to arrive at Jakarta is Monday and it would be best to avoid Saturday, as prices are on average 7.49% higher than on Monday. (Average prices, based on 107080 datapoints.)
The cheapest airline flying from Jakarta to Palembang is Lion Air. They are 62% cheaper than Garuda Indonesia. (Average prices, based on 103690 datapoints.)
The best time to fly is at around 8. (Average prices, based on 123687 datapoints.)