Cheapest return flights from Hong Kong to San Francisco in September from 778€

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 September 2025 (see full year).

Return flights

01 Sep - 20 Sep China Airlines
01 Sep - 20 Sep United direct

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

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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