AirHint found the following cheapest return flights from Seattle (SEA) to Beijing (PEK) in November 2025 (see full year).

Return flights

02 Nov - 09 Nov	Philippine Airlines
04 Nov - 18 Nov	Alaska Airlines
04 Nov - 11 Nov	Alaska Airlines
15 Nov - 25 Nov	Alaska Airlines
03 Nov - 10 Nov	Asiana Airlines
08 Nov - 18 Nov	Alaska Airlines
04 Nov - 11 Nov	Hainan Airlines	direct
04 Nov - 18 Nov	Hainan Airlines	direct
01 Nov - 15 Nov	Alaska Airlines
01 Nov - 15 Nov	Hainan Airlines	direct

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

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 Seattle to Beijing in November from $790

Return flights