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

Return flights

29 Sep - 11 Oct	China Eastern
28 Sep - 06 Oct	Japan Airlines
26 Sep - 06 Oct	Japan Airlines
22 Sep - 29 Sep	Japan Airlines
29 Sep - 22 Oct	Japan Airlines
22 Sep - 02 Oct	Japan Airlines
30 Sep - 10 Oct	Xiamen Airlines
30 Sep - 04 Oct	Japan Airlines
27 Sep - 30 Sep	Japan Airlines
21 Sep - 04 Oct	Japan Airlines

Also check the deals for one-way flights from Taipei to Lisbon 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 Lisbon in September from $1297

Return flights