The best month to fly between Penang and Jakarta is February and the most expensive month to fly is May. (Average prices, based on 932 datapoints.)
The best day to arrive at Penang is Tuesday and it would be best to avoid Saturday, as prices are on average 58.97% higher than on Tuesday. (Average prices, based on 1335 datapoints.)
The cheapest airline flying from Penang to Jakarta is Indonesia AirAsia. They are 43% cheaper than Transnusa Air Services. (Average prices, based on 938 datapoints.)
