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

Return flights

03 Dec - 17 Dec	Asiana Airlines
02 Dec - 05 Dec	Zipair
03 Dec - 17 Dec	Air China	direct
30 Dec - 13 Jan	Turkish Airlines
29 Dec - 12 Jan	Turkish Airlines
06 Dec - 20 Dec	Cathay Pacific
11 Dec - 17 Dec	China Eastern
15 Dec - 20 Dec	China Eastern
29 Dec - 10 Jan	Alaska Airlines
26 Dec - 12 Jan	Hawaiian Airlines
14 Dec - 20 Dec	Hawaiian Airlines
13 Dec - 26 Dec	Frontier Airlines
13 Dec - 13 Jan	Hawaiian Airlines
02 Dec - 05 Dec	United	direct
13 Dec - 11 Jan	Frontier Airlines
11 Dec - 17 Dec	United	direct
15 Dec - 06 Jan	Hawaiian Airlines
22 Dec - 06 Jan	Frontier Airlines
24 Dec - 07 Jan	Cathay Pacific
29 Dec - 10 Jan	United	direct

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

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 December from $638

Return flights