AirHint found the following cheapest return flights from San Francisco (SFO) to Beijing (PEK) in October 2025 (see full year).

Return flights

28 Oct - 17 Nov	Cathay Pacific
24 Oct - 04 Nov	Cathay Pacific
20 Oct - 05 Nov	Cathay Pacific
20 Oct - 28 Oct	Cathay Pacific
23 Oct - 30 Oct	Cathay Pacific
21 Oct - 28 Oct	Cathay Pacific
15 Oct - 30 Oct	Cathay Pacific
08 Oct - 05 Nov	Air China	direct
20 Oct - 28 Oct	United	direct
23 Oct - 30 Oct	United	direct
20 Oct - 05 Nov	United	direct
28 Oct - 17 Nov	United	direct
24 Oct - 04 Nov	United	direct
31 Oct - 08 Nov	United	direct
15 Oct - 30 Oct	United	direct
09 Oct - 19 Oct	Hawaiian Airlines

Also check the deals for one-way flights from San Francisco to Beijing in October.

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 San Francisco to Beijing in October from $677

Return flights