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

Return flights

11 Dec - 21 Dec	Cathay Pacific
12 Dec - 22 Dec	Cathay Pacific
11 Dec - 20 Dec	Asiana Airlines
23 Dec - 30 Dec	Asiana Airlines
13 Dec - 20 Dec	Asiana Airlines
11 Dec - 18 Dec	Vietnam Airlines
13 Dec - 23 Dec	China Southern	direct
13 Dec - 20 Dec	China Southern	direct

Also check the deals for one-way flights from Guangzhou to San Francisco 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 Guangzhou to San Francisco in December from $858

Return flights