Cheapest return SHA–SEA flights, September

AirHint found the following cheapest return flights from Shanghai (SHA) to Seattle (SEA) in September 2026 (see full year).

Return flights

17 Sep - 07 Oct Delta direct
15 Sep - 05 Oct Delta direct
16 Sep - 04 Oct Delta direct
25 Sep - 11 Oct ANA
24 Sep - 08 Oct Delta direct
16 Sep - 03 Oct ANA
25 Sep - 11 Oct Delta direct
18 Sep - 17 Oct Delta direct
24 Sep - 17 Oct Delta direct

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

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