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

Return flights

20 Oct - 03 Nov	Cathay Pacific
07 Oct - 11 Nov	Cathay Pacific
11 Oct - 02 Nov	Cathay Pacific
18 Oct - 02 Nov	Cathay Pacific
11 Oct - 15 Nov	Cathay Pacific
20 Oct - 03 Nov	United	direct
11 Oct - 02 Nov	United	direct
11 Oct - 15 Nov	United	direct
18 Oct - 02 Nov	United	direct
07 Oct - 11 Nov	United	direct

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 632€

Return flights