Cheapest return flights from Seattle to Shanghai in December from $804

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

Return flights

06 Dec - 13 Dec Korean Air
01 Dec - 08 Dec Air Canada
01 Dec - 08 Dec Delta direct
06 Dec - 13 Dec Delta direct

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

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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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