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

Return flights

01 Sep - 12 Sep	Shanghai Airlines
23 Sep - 10 Oct	China Eastern
23 Sep - 11 Oct	China Eastern
02 Sep - 09 Sep	ANA
30 Sep - 07 Oct	ANA
30 Sep - 14 Oct	ANA
01 Sep - 08 Sep	ANA
15 Sep - 24 Sep	ANA
04 Sep - 08 Sep	ANA
08 Sep - 17 Sep	ANA
24 Sep - 01 Oct	ANA
16 Sep - 13 Oct	ANA
09 Sep - 30 Sep	ANA
09 Sep - 23 Sep	ANA
16 Sep - 14 Oct	ANA
10 Sep - 17 Sep	ANA
25 Sep - 29 Sep	ANA
25 Sep - 01 Oct	ANA
25 Sep - 06 Oct	ANA
10 Sep - 01 Oct	ANA

Also check the deals for one-way flights from Taipei to Istanbul 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 Istanbul in September from $946

Return flights