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 Thursday and it would be best to avoid Sunday, as prices are on average 166.79% higher than on Thursday. (Average prices, based on 2164327 datapoints.)
The best time to fly is at around 9. (Average prices, based on 1218 datapoints.)