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 Manila is July and the most expensive month to fly is June. (Average prices, based on 636 datapoints.)
The best day to arrive at Jakarta is Thursday and it would be best to avoid Monday, as prices are on average 10.99% higher than on Thursday. (Average prices, based on 6362 datapoints.)