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

Return flights

31 Jan - 06 Feb	United
30 Jan - 06 Feb	United
23 Jan - 30 Jan	Delta	direct
23 Jan - 27 Jan	Delta	direct
31 Jan - 07 Feb	United
30 Jan - 06 Feb	Delta	direct
15 Jan - 20 Jan	United
17 Jan - 07 Feb	STARLUX Airlines	direct
19 Jan - 24 Jan	STARLUX Airlines	direct
15 Jan - 20 Jan	STARLUX Airlines	direct
24 Jan - 06 Feb	Delta
11 Jan - 19 Jan	EVA Air
11 Jan - 19 Jan	China Airlines	direct
07 Jan - 14 Jan	Asiana Airlines
07 Jan - 14 Jan	Delta	direct

Also check the deals for one-way flights from Taipei to Seattle 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 Taipei to Seattle in January from $731

Return flights