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

Return flights

16 Jan - 17 Feb	Delta	direct
18 Jan - 17 Feb	Delta	direct
30 Jan - 08 Feb	Delta	direct
17 Jan - 31 Jan	United
15 Jan - 30 Jan	United
06 Jan - 27 Jan	United
20 Jan - 27 Jan	United
26 Jan - 31 Jan	United
20 Jan - 27 Jan	Delta	direct
15 Jan - 30 Jan	Delta	direct
16 Jan - 25 Jan	Delta	direct
16 Jan - 24 Jan	Delta	direct
05 Jan - 23 Jan	United

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

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 Seattle to Taipei in January from 503€

Return flights