The best month to arrive at Merauke is February and the most expensive month to fly is January. (Average prices, based on 637 datapoints.)
The best day to arrive at Merauke is Wednesday and it would be best to avoid Saturday, as prices are on average 26.95% higher than on Wednesday. (Average prices, based on 655 datapoints.)
From Merauke it is on average the cheapest to fly to Jayapura and to Makassar. (Average prices, based on 237 datapoints.)