The best month to fly between Medan and Penang is October and the most expensive month to fly is July. (Average prices, based on 758 datapoints.)
The best day to arrive at Medan is Wednesday and it would be best to avoid Sunday, as prices are on average 43.32% higher than on Wednesday. (Average prices, based on 18359291 datapoints.)
The best time to fly is at around 13. (Average prices, based on 6165 datapoints.)