AirHint found the following cheapest return flights from Shanghai (SHA) to Seattle (SEA) in June 2025 (see full year).

Return flights

16 Jun - 23 Jun	Delta	direct
15 Jun - 23 Jun	Delta	direct
30 Jun - 10 Jul	Asiana Airlines
30 Jun - 09 Jul	Asiana Airlines
18 Jun - 25 Jun	Asiana Airlines
27 Jun - 07 Jul	Asiana Airlines
18 Jun - 25 Jun	Delta	direct
30 Jun - 09 Jul	Delta	direct
27 Jun - 07 Jul	Delta	direct

Also check the deals for one-way flights from Shanghai 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.

Book a cheap hotel in Seattle

Cheap car rent in Seattle

Cheapest return flights from Shanghai to Seattle in June from $872

Return flights