The best month to arrive at Luwuk is March and the most expensive month to fly is December. (Average prices, based on 940 datapoints.)
The best day to arrive at Luwuk is Friday and it would be best to avoid Monday, as prices are on average 10.39% higher than on Friday. (Average prices, based on 1138 datapoints.)
From Luwuk it is on average the cheapest to fly to Palu and to Makassar. (Average prices, based on 775 datapoints.)