Cheapest return flights from Seattle to Shanghai in September from 719€

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

Return flights

03 Sep - 07 Sep Philippine Airlines
28 Sep - 05 Oct Alaska Airlines
08 Sep - 11 Sep Asiana Airlines
01 Sep - 15 Sep Asiana Airlines
29 Sep - 06 Oct Asiana Airlines
01 Sep - 15 Sep Delta direct
15 Sep - 20 Oct Delta direct
28 Sep - 05 Oct Delta direct
29 Sep - 06 Oct Delta direct
08 Sep - 11 Sep Delta direct
03 Sep - 07 Sep Delta direct

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

Skyscanner

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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