Cheapest return flights from Singapore to San Francisco in August from $782

AirHint found the following cheapest return flights from Singapore (SIN) to San Francisco (SFO) in August 2025 (see full year).

Return flights

23 Aug - 30 Aug China Airlines
27 Aug - 31 Aug China Airlines
21 Aug - 24 Aug China Airlines
26 Aug - 29 Aug China Airlines
22 Aug - 30 Aug China Airlines
19 Aug - 24 Aug China Airlines
19 Aug - 25 Aug China Airlines
29 Aug - 23 Sep China Airlines
21 Aug - 08 Sep China Airlines
27 Aug - 03 Sep China Airlines
23 Aug - 30 Aug United direct
27 Aug - 31 Aug United direct
21 Aug - 27 Aug United direct
14 Aug - 15 Sep United direct
23 Aug - 02 Sep United direct
21 Aug - 08 Sep United direct

Also check the deals for one-way flights from Singapore to San Francisco in August.

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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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