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

Return flights

19 Sep - 28 Sep	Pegasus Airlines
09 Sep - 23 Sep	Pegasus Airlines
19 Sep - 26 Sep	Pegasus Airlines
05 Sep - 12 Sep	Pegasus Airlines
18 Sep - 25 Sep	Pegasus Airlines
07 Sep - 14 Sep	Pegasus Airlines
01 Sep - 06 Sep	Etihad Airways
13 Sep - 27 Sep	Etihad Airways
01 Sep - 30 Sep	Etihad Airways
02 Sep - 09 Sep	IndiGo
10 Sep - 01 Oct	Etihad Airways
07 Sep - 02 Oct	Air Arabia
26 Sep - 03 Oct	Qatar Airways
26 Sep - 03 Oct	Turkish Airlines	direct
18 Sep - 18 Oct	Emirates

Also check the deals for one-way flights from Istanbul to Taipei 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 Istanbul to Taipei in September from 519€

Return flights