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 Saturday and it would be best to avoid Wednesday, as prices are on average 26.07% higher than on Saturday. (Average prices, based on 18496290 datapoints.)
The best time to fly is at around 13. (Average prices, based on 6186 datapoints.)