Cheapest one-way flights from Seattle to Beijing in December from 351€

AirHint found the following cheapest one-way flights from Seattle (SEA) to Beijing (PEK) in December 2025 (see full year).

One-Way flights

31 Dec Asiana Airlines
30 Dec Asiana Airlines
30 Dec Hainan Airlines direct
27 Dec Alaska Airlines
27 Dec Hainan Airlines direct
13 Dec Hawaiian Airlines
23 Dec Air Canada
21 Dec Alaska Airlines
19 Dec Hawaiian Airlines
09 Dec Hainan Airlines direct

Also check the deals for return flights from Seattle to Beijing in December.

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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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