Cheapest return flights from Hong Kong to San Francisco in December from $840

Best time to book flights for Hong Kong (HKG) to San Francisco (SFO) flights at AirHint

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 - 05 Jan Cathay Pacific direct
24 Dec - 06 Jan Cathay Pacific direct
25 Dec - 07 Jan Cathay Pacific direct
13 Dec - 26 Dec Asiana Airlines
12 Dec - 26 Dec Asiana Airlines
06 Dec - 15 Dec Air Canada
19 Dec - 26 Dec Cathay Pacific direct

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

Skyscanner

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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