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

Return flights

26 Sep - 06 Oct	Thai VietJet Air
23 Sep - 29 Sep	AirAsia X
01 Sep - 15 Sep	China Southern
02 Sep - 10 Sep	China Southern
16 Sep - 20 Sep	AirAsia X
18 Sep - 25 Sep	Etihad Airways
10 Sep - 14 Sep	Emirates
08 Sep - 15 Sep	Emirates
08 Sep - 19 Sep	Emirates
11 Sep - 21 Sep	Emirates
24 Sep - 28 Sep	AirAsia X
29 Sep - 28 Oct	Emirates
15 Sep - 01 Oct	Emirates
22 Sep - 01 Oct	Emirates
21 Sep - 01 Oct	Emirates
23 Sep - 23 Oct	Emirates
29 Sep - 06 Oct	Etihad Airways
14 Sep - 31 Oct	Emirates
23 Sep - 06 Oct	Emirates
28 Sep - 27 Oct	Emirates

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 572€

Return flights