Cheapest return flights from Seattle to Shanghai in May from $827

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

Return flights

08 May - 15 May Alaska Airlines
09 May - 16 May Hainan Airlines
15 May - 30 May Alaska Airlines
29 May - 07 Jun Cathay Pacific
08 May - 15 May Delta direct
09 May - 16 May Delta direct
15 May - 30 May Delta direct
29 May - 07 Jun Delta direct

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

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