Cheapest return flights from Taipei to Seattle in September from $592

AirHint found the following cheapest return flights from Taipei (TPE) to Seattle (SEA) in September 2026 (see full year).

Return flights

09 Sep - 17 Sep Cathay Pacific
24 Sep - 30 Sep Cathay Pacific
16 Sep - 29 Sep Cathay Pacific
18 Sep - 28 Sep Cathay Pacific
17 Sep - 30 Sep Cathay Pacific
24 Sep - 12 Oct Cathay Pacific
25 Sep - 06 Oct Cathay Pacific
26 Sep - 10 Oct Cathay Pacific
24 Sep - 05 Oct Cathay Pacific
24 Sep - 06 Oct Cathay Pacific
18 Sep - 03 Oct Cathay Pacific
24 Sep - 08 Oct Cathay Pacific
24 Sep - 01 Oct Cathay Pacific
20 Sep - 27 Oct Cathay Pacific
20 Sep - 10 Oct Cathay Pacific
11 Sep - 19 Sep Cathay Pacific
02 Sep - 09 Sep Cathay Pacific
03 Sep - 13 Sep Delta direct
17 Sep - 27 Sep Delta direct
24 Sep - 30 Sep Delta direct

Also check the deals for one-way flights from Taipei to Seattle in September.

Powered by

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.

Book a cheap hotel in Seattle

Cheap car rent in Seattle

Feel free to contact us with any feedback or request another flight research.