Cheapest return flights from Hong Kong to San Francisco in December from 751€

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

18 Dec - 31 Dec United direct
27 Dec - 31 Dec United
25 Dec - 03 Jan United direct
23 Dec - 04 Jan China Airlines
23 Dec - 03 Jan China Airlines
23 Dec - 04 Jan Cathay Pacific direct
23 Dec - 03 Jan Cathay Pacific direct
27 Dec - 31 Dec Cathay Pacific direct
20 Dec - 03 Jan Air Canada
20 Dec - 27 Dec United
20 Dec - 03 Jan 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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