Cheapest return flights from Oakland to Singapore in December from $879

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

Return flights

02 Dec - 25 Dec Korean Air
01 Dec - 31 Jan Korean Air
13 Dec - 19 Jan EVA Air
31 Dec - 09 Jan Korean Air
15 Dec - 21 Dec Hawaiian Airlines
28 Dec - 10 Jan EVA Air
26 Dec - 08 Jan Korean Air
07 Dec - 14 Dec Qatar Airways
17 Dec - 21 Dec Qatar Airways
24 Dec - 01 Jan Korean Air
24 Dec - 31 Dec Korean Air
12 Dec - 21 Dec Japan Airlines
26 Dec - 02 Jan Korean Air
18 Dec - 13 Jan Korean Air
12 Dec - 04 Jan Korean Air
12 Dec - 02 Jan Korean Air
13 Dec - 25 Dec Japan Airlines

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

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