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 Monday and it would be best to avoid Thursday, as prices are on average 167.03% higher than on Monday. (Average prices, based on 2166340 datapoints.)
The best time to fly is at around 9. (Average prices, based on 1218 datapoints.)