Cheapest return flights from Shanghai to Seattle in March from $730

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

Return flights

13 Mar - 20 Mar Philippine Airlines
13 Mar - 20 Mar Delta direct
01 Mar - 31 Mar Delta direct
08 Mar - 15 Mar Delta direct
15 Mar - 19 Apr Delta direct
29 Mar - 26 Apr Delta direct
01 Mar - 30 Apr Delta direct

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

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