AirHint found the following cheapest return flights from Hong Kong (HKG) to San Francisco (SFO) in March 2026 (see full year).

Return flights

25 Mar - 05 Apr	STARLUX Airlines
03 Mar - 24 Mar	United
18 Mar - 01 Apr	United
03 Mar - 10 Mar	United
03 Mar - 25 Mar	United
11 Mar - 25 Mar	China Airlines
13 Mar - 18 Mar	China Airlines
16 Mar - 23 Mar	STARLUX Airlines
27 Mar - 11 Apr	STARLUX Airlines
26 Mar - 06 Apr	China Airlines
25 Mar - 01 Apr	China Airlines
08 Mar - 15 Mar	China Airlines
18 Mar - 05 Apr	China Airlines
11 Mar - 25 Mar	United	direct
17 Mar - 27 Mar	United	direct
27 Mar - 11 Apr	United	direct
29 Mar - 12 Apr	China Airlines
23 Mar - 27 Mar	EVA Air
18 Mar - 01 Apr	Cathay Pacific	direct
26 Mar - 06 Apr	Cathay Pacific	direct

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

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 Hong Kong to San Francisco in March from 493€

Return flights