Cheapest return flights from Seattle to Shanghai in May from $974

Best time to book flights for Seattle (SEA) to Shanghai (PVG) flights at AirHint

AirHint found the following cheapest return flights from Seattle (SEA) to Shanghai (PVG) in May 2025 (see full year).

Return flights

20 May - 26 May Air Canada
19 May - 22 May Air Canada
14 May - 21 May Air Canada
12 May - 09 Jun Air Canada
22 May - 03 Jun Air Canada
21 May - 03 Jun Air Canada
23 May - 02 Jun Air Canada
16 May - 15 Jun Air Canada
24 May - 02 Jun Air Canada
28 May - 31 May Air Canada
21 May - 29 Jun Alaska Airlines
14 May - 21 May Delta direct
22 May - 03 Jun Delta direct
28 May - 31 May Delta direct
21 May - 03 Jun Delta direct
20 May - 26 May Delta direct
16 May - 15 Jun Delta direct
19 May - 22 May Delta direct

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

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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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