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

Return flights

04 Sep - 11 Sep	Japan Airlines
08 Sep - 15 Sep	Japan Airlines
18 Sep - 27 Sep	Air China
16 Sep - 23 Sep	Uni Air
12 Sep - 26 Sep	Air China
15 Sep - 22 Sep	Shanghai Airlines
06 Sep - 14 Sep	Air China
01 Sep - 08 Sep	Japan Airlines
06 Sep - 13 Sep	Japan Airlines
16 Sep - 24 Sep	Air China
20 Sep - 04 Oct	Japan Airlines
25 Sep - 02 Oct	Japan Airlines
29 Sep - 06 Oct	Japan Airlines
24 Sep - 01 Oct	China Eastern
28 Sep - 05 Oct	Sichuan Airlines
27 Sep - 04 Oct	Japan Airlines

Also check the deals for one-way flights from Taipei to Madrid 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 Madrid in September from 932€

Return flights