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

Return flights

09 Aug - 20 Aug	EVA Air
27 Aug - 06 Sep	Sichuan Airlines
29 Aug - 10 Sep	Sichuan Airlines
03 Aug - 28 Aug	Xiamen Airlines
22 Aug - 28 Aug	Sichuan Airlines
17 Aug - 27 Aug	Sichuan Airlines
11 Aug - 27 Aug	Xiamen Airlines
22 Aug - 29 Aug	Sichuan Airlines
20 Aug - 24 Aug	Sichuan Airlines
04 Aug - 18 Aug	Xiamen Airlines
24 Aug - 06 Sep	Xiamen Airlines
01 Aug - 12 Aug	China Eastern
25 Aug - 06 Sep	Japan Airlines
21 Aug - 26 Aug	Japan Airlines
26 Aug - 04 Sep	Japan Airlines
27 Aug - 05 Sep	Japan Airlines
25 Aug - 09 Sep	Japan Airlines
04 Aug - 01 Sep	Japan Airlines
24 Aug - 02 Sep	Japan Airlines

Also check the deals for one-way flights from Taipei to Lisbon in August.

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 August from $1180

Return flights