Cheapest return flights from Singapore to San Francisco in December from 580€

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

Return flights

26 Dec - 11 Jan United direct
04 Dec - 08 Dec Cathay Pacific
24 Dec - 31 Dec Cathay Pacific
24 Dec - 10 Jan Cathay Pacific
23 Dec - 06 Jan Cathay Pacific
25 Dec - 10 Jan Cathay Pacific
20 Dec - 12 Jan United direct
18 Dec - 31 Dec Cathay Pacific
19 Dec - 30 Dec China Airlines
25 Dec - 06 Jan United direct
23 Dec - 06 Jan United direct
16 Dec - 31 Dec United direct
06 Dec - 09 Dec United direct
04 Dec - 09 Dec United direct
11 Dec - 31 Dec United direct
24 Dec - 10 Jan United direct
25 Dec - 10 Jan United direct
22 Dec - 06 Jan Cathay Pacific
24 Dec - 31 Dec United direct
04 Dec - 08 Dec United direct

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

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