Cheapest return flights from San Francisco to Singapore in August from $622

Best time to book flights for San Francisco (SFO) to Singapore (SIN) flights at AirHint

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

Return flights

21 Aug - 27 Aug Asiana Airlines
18 Aug - 25 Aug Asiana Airlines
12 Aug - 08 Sep Asiana Airlines
21 Aug - 09 Sep Asiana Airlines
12 Aug - 19 Aug Asiana Airlines
21 Aug - 30 Aug Asiana Airlines
19 Aug - 26 Aug Asiana Airlines
25 Aug - 15 Sep Asiana Airlines
21 Aug - 02 Sep Asiana Airlines
21 Aug - 04 Sep Asiana Airlines
25 Aug - 01 Sep Asiana Airlines
26 Aug - 02 Sep Asiana Airlines
19 Aug - 10 Sep Asiana Airlines
26 Aug - 10 Sep Asiana Airlines
21 Aug - 08 Sep Asiana Airlines
09 Aug - 16 Aug Asiana Airlines
23 Aug - 30 Aug Asiana Airlines
21 Aug - 27 Aug United direct
21 Aug - 30 Aug United direct
27 Aug - 31 Aug Delta

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