The best month to fly between Penang and Singapore is January and the most expensive month to fly is March. (Average prices, based on 807 datapoints.)
The best day to arrive at Penang is Saturday and it would be best to avoid Friday, as prices are on average 137.53% higher than on Saturday. (Average prices, based on 2162157 datapoints.)
The best time to fly is at around 9. (Average prices, based on 1218 datapoints.)