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 Amsterdam is July and the most expensive month to fly is August. (Average prices, based on 958 datapoints.)
The best day to arrive at Jakarta is Monday and it would be best to avoid Sunday, as prices are on average 60.52% higher than on Monday. (Average prices, based on 371 datapoints.)