Cheapest return flights from Singapore to San Francisco in May from $680

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

14 May - 18 May Asiana Airlines
14 May - 19 May Asiana Airlines
24 May - 31 May Asiana Airlines
17 May - 25 May STARLUX Airlines
20 May - 28 May STARLUX Airlines
23 May - 26 May STARLUX Airlines
16 May - 22 May STARLUX Airlines
15 May - 22 May STARLUX Airlines
14 May - 21 May STARLUX Airlines
10 May - 12 May United direct
28 May - 30 Jun Delta
27 May - 30 Jun Delta
15 May - 30 Jun Delta
23 May - 22 Jun STARLUX Airlines
23 May - 01 Jun Delta
25 May - 01 Jun Delta
11 May - 05 Jun EVA Air
30 May - 14 Jun STARLUX Airlines
28 May - 30 Jun United direct
27 May - 30 Jun United direct

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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