I managed to book SIA ticket to Taipei during the March 2024 school holidays at pretty good price. S$508 per person. Family of 3, total S$1,524.
The lowest fare is S$464 if you choose to travel during the non-school holiday period. S$44 saving per person.
We probably stay at Taipei for 4 nights and Tai Chung for another 4 nights. Will see.