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

Return flights

15 Jan - 06 Feb	Delta	direct
26 Jan - 11 Feb	Delta	direct
24 Jan - 01 Feb	Delta	direct
23 Jan - 07 Feb	Delta	direct
19 Jan - 04 Feb	Delta	direct
17 Jan - 04 Feb	Delta	direct
25 Jan - 12 Feb	Delta	direct
26 Jan - 13 Feb	Delta	direct
27 Jan - 18 Feb	Delta	direct
28 Jan - 12 Feb	Delta	direct
21 Jan - 28 Jan	Delta	direct
15 Jan - 24 Jan	Delta	direct
15 Jan - 21 Jan	Delta	direct
23 Jan - 25 Jan	Delta	direct
25 Jan - 31 Jan	Delta	direct
24 Jan - 31 Jan	Delta	direct
22 Jan - 25 Jan	Delta	direct
19 Jan - 26 Jan	Delta	direct
18 Jan - 25 Jan	Delta	direct
26 Jan - 30 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 $621

Return flights