Cheapest return SEA–PVG flights, April

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

Return flights

22 Apr - 26 May Korean Air
19 Apr - 05 May Korean Air
15 Apr - 18 May Asiana Airlines
26 Apr - 09 May Korean Air
26 Apr - 09 May Delta direct
19 Apr - 05 May Delta direct
17 Apr - 24 Apr Delta direct
15 Apr - 18 May Delta direct
26 Apr - 28 Apr Korean Air
17 Apr - 26 Apr Air Canada
17 Apr - 26 Apr Delta direct
26 Apr - 28 Apr Delta direct

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

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