Cheapest return flights from San Jose to Singapore in December from $902

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

Return flights

03 Dec - 17 Dec Korean Air
02 Dec - 25 Dec China Airlines
28 Dec - 17 Jan China Airlines
01 Dec - 23 Dec Qatar Airways
11 Dec - 15 Dec China Airlines
01 Dec - 31 Jan Korean Air
24 Dec - 31 Dec Hawaiian Airlines
29 Dec - 04 Jan Korean Air
14 Dec - 26 Dec Japan Airlines
13 Dec - 19 Jan Korean Air
12 Dec - 04 Jan Japan Airlines
26 Dec - 02 Jan Korean Air
21 Dec - 02 Jan EVA Air
12 Dec - 02 Jan Korean Air
19 Dec - 06 Jan Korean Air
13 Dec - 25 Dec Qantas

Also check the deals for one-way flights from San Jose 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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