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 Surabaya is October and the most expensive month to fly is April. (Average prices, based on 107733 datapoints.)
The best day to arrive at Jakarta is Monday and it would be best to avoid Thursday, as prices are on average 6.89% higher than on Monday. (Average prices, based on 278387 datapoints.)
The cheapest airline flying from Jakarta to Surabaya is Lion Air. They are 59% cheaper than Garuda Indonesia. (Average prices, based on 107766 datapoints.)
The best time to fly is at around 3. (Average prices, based on 127764 datapoints.)
