The best month to arrive at Luwuk is October and the most expensive month to fly is December. (Average prices, based on 1934 datapoints.)
The best day to arrive at Luwuk is Sunday and it would be best to avoid Friday, as prices are on average 9.35% higher than on Sunday. (Average prices, based on 1948 datapoints.)
From Luwuk it is on average the cheapest to fly to Makassar and to Surabaya. (Average prices, based on 1280 datapoints.)