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

Return flights

01 Apr - 15 Apr	Delta	direct
01 Apr - 18 Apr	Delta	direct
01 Apr - 08 Apr	Delta	direct
11 Apr - 25 Apr	Cathay Pacific
21 Apr - 28 Apr	Delta
16 Apr - 23 Apr	Delta
08 Apr - 15 Apr	Delta
16 Apr - 21 Apr	Delta
29 Apr - 05 May	United
30 Apr - 12 May	United
06 Apr - 13 Apr	United
15 Apr - 19 Apr	Korean Air
17 Apr - 08 May	United
16 Apr - 08 May	United
30 Apr - 09 May	United
29 Apr - 05 May	STARLUX Airlines	direct
17 Apr - 08 May	STARLUX Airlines	direct
16 Apr - 08 May	STARLUX Airlines	direct
30 Apr - 09 May	STARLUX Airlines	direct
30 Apr - 12 May	STARLUX Airlines	direct

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

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 April from $748

Return flights