Please be aware that Taipei has multiple airports and that these results are for all airports serving the city.
The best month to fly between Taipei and Singapore is October and the most expensive month to fly is November. (Average prices, based on 416 datapoints.)
The best day to arrive at Taipei is Tuesday and it would be best to avoid Thursday, as prices are on average 82% higher than on Tuesday. (Average prices, based on 397 datapoints.)
The cheapest airline flying from Taipei to Singapore is Scoot-Tiger. They are 56% cheaper than Singapore Airlines. (Average prices, based on 424 datapoints.)
The best time to fly is at around 22. (Average prices, based on 777 datapoints.)