Cheapest return flights from Hong Kong to San Francisco in December from $622

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

Return flights

24 Dec - 31 Dec China Airlines
25 Dec - 31 Dec China Airlines
23 Dec - 30 Dec China Airlines
22 Dec - 28 Dec STARLUX Airlines
24 Dec - 10 Jan STARLUX Airlines
05 Dec - 06 Dec China Airlines
22 Dec - 06 Jan STARLUX Airlines
23 Dec - 28 Dec STARLUX Airlines
02 Dec - 06 Dec Philippine Airlines
01 Dec - 05 Dec Philippine Airlines
23 Dec - 09 Jan Cathay Pacific direct
03 Dec - 13 Dec STARLUX Airlines
02 Dec - 09 Dec EVA Air
25 Dec - 02 Jan United direct
24 Dec - 03 Jan United direct
04 Dec - 01 Jan United
24 Dec - 01 Jan United direct
23 Dec - 02 Jan United direct
26 Dec - 03 Jan United direct
23 Dec - 01 Jan United direct

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

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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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