Please be aware that Jakarta and Yogyakarta has multiple airports and that these results are for all airports serving the city.
The best month to fly between Jakarta and Yogyakarta is November and the most expensive month to fly is March. (Average prices, based on 57305 datapoints.)
The best day to arrive at Jakarta is Sunday and it would be best to avoid Friday, as prices are on average 8.5% higher than on Sunday. (Average prices, based on 58826 datapoints.)
The cheapest airline flying from Jakarta to Yogyakarta is Sriwijaya Air. They are 58% cheaper than Garuda Indonesia. (Average prices, based on 57315 datapoints.)
The best time to fly is at around 6. (Average prices, based on 77311 datapoints.)