Cheapest return flights from Singapore to San Francisco in May from $725

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

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

Return flights

07 May - 18 May China Airlines
08 May - 16 May STARLUX Airlines
10 May - 17 May China Airlines
11 May - 16 May China Airlines
12 May - 19 May China Airlines
01 May - 12 May STARLUX Airlines
09 May - 16 May STARLUX Airlines
04 May - 11 May China Airlines
23 May - 26 May China Airlines
09 May - 14 May STARLUX Airlines
15 May - 30 Jun Delta
28 May - 15 Jun United direct
28 May - 14 Jun United direct
30 May - 14 Jun United direct
12 May - 04 Jun STARLUX Airlines
13 May - 04 Jun STARLUX Airlines
29 May - 05 Jun STARLUX Airlines
12 May - 04 Jun United direct
13 May - 04 Jun United direct
08 May - 05 Jun Delta

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

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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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