The best month to fly between Kupang and Jakarta is February and the most expensive month to fly is December. (Average prices, based on 6505 datapoints.)
The best day to arrive at Kupang is Thursday and it would be best to avoid Monday, as prices are on average 4.84% higher than on Thursday. (Average prices, based on 6493 datapoints.)
The cheapest airline flying from Kupang to Jakarta is Citilink. They are 32% cheaper than Lion Air. (Average prices, based on 6509 datapoints.)