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 Muscat is April and the most expensive month to fly is September. (Average prices, based on 563 datapoints.)
The best day to arrive at Jakarta is Saturday and it would be best to avoid Tuesday, as prices are on average 14.06% higher than on Saturday. (Average prices, based on 563 datapoints.)