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 Solo is October and the most expensive month to fly is June. (Average prices, based on 26959 datapoints.)
The best day to arrive at Jakarta is Monday and it would be best to avoid Thursday, as prices are on average 11.59% higher than on Monday. (Average prices, based on 23411 datapoints.)
The cheapest airline flying from Jakarta to Solo is Lion Air. They are 57% cheaper than Garuda Indonesia. (Average prices, based on 26969 datapoints.)
The best time to fly is at around 12. (Average prices, based on 46901 datapoints.)