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

Return flights

01 Jun - 29 Jun	Delta
09 Jun - 23 Jun	Delta
17 Jun - 29 Jun	Delta
15 Jun - 03 Jul	Delta
11 Jun - 21 Jun	Korean Air
09 Jun - 16 Jun	Korean Air
13 Jun - 20 Jun	Korean Air
09 Jun - 21 Jun	Korean Air
15 Jun - 30 Jun	Delta
16 Jun - 30 Jun	Delta
09 Jun - 13 Jun	Delta
15 Jun - 03 Jul	China Airlines	direct
21 Jun - 01 Jul	Philippine Airlines
26 Jun - 03 Jul	Philippine Airlines
20 Jun - 04 Jul	Asiana Airlines
28 Jun - 07 Jul	Asiana Airlines
28 Jun - 07 Jul	China Airlines	direct
21 Jun - 01 Jul	China Airlines	direct
30 Jun - 09 Jul	China Airlines
27 Jun - 04 Jul	Delta

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

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 June from $754

Return flights