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 Labuanbajo is February and the most expensive month to fly is June. (Average prices, based on 1802 datapoints.)
The best day to arrive at Jakarta is Monday and it would be best to avoid Thursday, as prices are on average 26.8% higher than on Monday. (Average prices, based on 1827 datapoints.)
The cheapest airline flying from Jakarta to Labuanbajo is Indonesia AirAsia. They are 47% cheaper than Garuda Indonesia. (Average prices, based on 1807 datapoints.)