Cheapest return flights from San Francisco to Singapore in December from $1095

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 December 2025 (see full year).

Return flights

13 Dec - 19 Jan Singapore Airlines direct
27 Dec - 17 Jan Delta
17 Dec - 30 Dec Singapore Airlines direct
22 Dec - 06 Jan Singapore Airlines direct
11 Dec - 04 Jan Air Canada
27 Dec - 04 Jan Korean Air
17 Dec - 10 Jan Asiana Airlines
26 Dec - 04 Jan Air Canada
19 Dec - 31 Dec Asiana Airlines
17 Dec - 04 Jan Air Canada
25 Dec - 05 Jan EVA Air
18 Dec - 20 Dec Singapore Airlines direct
17 Dec - 04 Jan Singapore Airlines direct
19 Dec - 31 Dec Singapore Airlines direct

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

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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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