Cheapest one-way flights from San Francisco to Singapore in December from $280

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

One-Way flights

01 Dec Singapore Airlines direct
03 Dec Singapore Airlines direct
04 Dec Korean Air
08 Dec Korean Air
07 Dec Korean Air
09 Dec Alaska Airlines
06 Dec Asiana Airlines
08 Dec United direct
28 Dec Air India
07 Dec United direct

Also check the deals for return flights from San Francisco to Singapore in December.

Skyscanner

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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