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 411 datapoints.)
The best day to arrive at Taipei is Tuesday and it would be best to avoid Thursday, as prices are on average 78.57% higher than on Tuesday. (Average prices, based on 411 datapoints.)
The cheapest airline flying from Taipei to Singapore is Scoot-Tiger. They are 55% cheaper than Singapore Airlines. (Average prices, based on 415 datapoints.)