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

Return flights

15 May - 22 May	Asiana Airlines
19 May - 26 May	Asiana Airlines
14 May - 21 May	Cathay Pacific
18 May - 25 May	Asiana Airlines
20 May - 27 May	Korean Air
17 May - 24 May	Cathay Pacific
16 May - 23 May	Cathay Pacific

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

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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Cheapest return flights from Beijing to Seattle in May from 586€

Return flights