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

Return flights

02 Jul - 11 Aug	Delta
10 Jul - 25 Jul	Spring Airlines
10 Jul - 25 Jul	Delta	direct
10 Jul - 26 Jul	Delta	direct
10 Jul - 28 Jul	Delta	direct
05 Jul - 14 Aug	Delta	direct
11 Jul - 27 Jul	Asiana Airlines
11 Jul - 31 Jul	Asiana Airlines
11 Jul - 27 Jul	Delta	direct
11 Jul - 31 Jul	Delta	direct
27 Jul - 03 Aug	Delta
26 Jul - 02 Aug	Delta	direct
27 Jul - 27 Aug	Delta
28 Jul - 04 Aug	Korean Air
28 Jul - 09 Aug	Korean Air
28 Jul - 10 Aug	Korean Air
31 Jul - 23 Aug	Korean Air

Also check the deals for one-way flights from Shanghai to Seattle in July.

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 Shanghai to Seattle in July from $878

Return flights