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 Banyuwangi is February and the most expensive month to fly is April. (Average prices, based on 984 datapoints.)
The best day to arrive at Jakarta is Saturday and it would be best to avoid Tuesday, as prices are on average 54.23% higher than on Saturday. (Average prices, based on 412 datapoints.)