AirHint found the following cheapest return flights from Taipei (TPE) to Singapore (SIN) in September 2025 (see full year).

Return flights

23 Sep - 27 Sep	Scoot	direct
07 Sep - 10 Sep	Scoot	direct
24 Sep - 28 Sep	Scoot	direct
26 Sep - 28 Sep	Scoot	direct
16 Sep - 17 Sep	Scoot	direct
24 Sep - 30 Sep	Scoot	direct
24 Sep - 27 Sep	Scoot	direct
12 Sep - 16 Sep	Scoot	direct
25 Sep - 05 Oct	Scoot	direct
17 Sep - 23 Sep	Scoot	direct
26 Sep - 05 Oct	Scoot	direct
11 Sep - 14 Sep	Scoot	direct
28 Sep - 21 Oct	Scoot	direct
04 Sep - 04 Oct	Scoot	direct
30 Sep - 05 Oct	Scoot	direct
28 Sep - 02 Oct	Scoot	direct
30 Sep - 04 Oct	Scoot	direct
28 Sep - 05 Oct	Scoot	direct
28 Sep - 03 Oct	Scoot	direct
27 Sep - 05 Oct	Scoot	direct

Also check the deals for one-way flights from Taipei to Singapore in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Taipei to Singapore in September from 147€

Return flights