AirHint found the following cheapest return flights from Seattle (SEA) to Taipei (TPE) in October 2025 (see full year).

Return flights

15 Oct - 22 Oct	Delta	direct
14 Oct - 30 Oct	Delta	direct
13 Oct - 27 Oct	United
15 Oct - 26 Oct	Delta	direct
02 Oct - 12 Oct	Delta	direct
05 Oct - 12 Oct	Delta	direct
13 Oct - 27 Oct	China Airlines	direct
22 Oct - 16 Nov	China Airlines	direct

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

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 Taipei

Cheap car rent in Taipei

Cheapest return flights from Seattle to Taipei in October from 578€

Return flights