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

Return flights

05 Mar - 11 Mar	STARLUX Airlines
05 Mar - 11 Mar	United	direct
02 Mar - 04 Mar	United	direct
13 Mar - 18 Mar	United	direct
11 Mar - 18 Mar	United	direct
13 Mar - 22 Mar	China Airlines
19 Mar - 22 Mar	China Airlines
18 Mar - 08 Apr	China Airlines
09 Mar - 17 Mar	STARLUX Airlines
23 Mar - 31 Mar	China Airlines
24 Mar - 31 Mar	China Airlines
21 Mar - 22 Apr	United	direct
18 Mar - 08 Apr	United	direct
06 Mar - 02 Apr	EVA Air
16 Mar - 02 Apr	EVA Air
06 Mar - 02 Apr	United	direct
18 Mar - 03 Apr	EVA Air
16 Mar - 02 Apr	United	direct
18 Mar - 03 Apr	United	direct

Also check the deals for one-way flights from Singapore 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 Singapore to San Francisco in March from 629€

Return flights