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

Return flights

14 Sep - 11 Oct	Air China
13 Sep - 11 Oct	Air China
02 Sep - 21 Sep	Air China
07 Sep - 14 Sep	Air China
04 Sep - 18 Sep	Air China
06 Sep - 20 Sep	Air China
15 Sep - 21 Sep	Air China
23 Sep - 04 Oct	Air China
26 Sep - 05 Oct	Iberia
23 Sep - 30 Sep	Iberia
14 Sep - 12 Oct	Etihad Airways
02 Sep - 08 Oct	China Eastern
27 Sep - 05 Oct	Etihad Airways
20 Sep - 27 Sep	Air China
30 Sep - 07 Oct	Air Europa

Also check the deals for one-way flights from Madrid 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 Madrid to Taipei in September from $588

Return flights