Cheapest return SHA–SEA flights, May

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

Return flights

07 May - 14 May Korean Air
08 May - 15 May Asiana Airlines
16 May - 19 May Cathay Pacific
14 May - 04 Jun Spring Airlines
27 May - 03 Jun Shanghai Airlines
05 May - 10 May Cathay Pacific
27 May - 03 Jun Delta direct
14 May - 04 Jun Delta direct
16 May - 19 May Delta direct

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