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

Return flights

03 Dec - 07 Dec	Asiana Airlines
09 Dec - 16 Dec	Asiana Airlines
01 Dec - 08 Dec	Asiana Airlines
02 Dec - 16 Dec	United
01 Dec - 08 Dec	Singapore Airlines	direct
30 Dec - 11 Jan	Xiamen Airlines
11 Dec - 13 Dec	Asiana Airlines
08 Dec - 05 Jan	Asiana Airlines
09 Dec - 16 Dec	Singapore Airlines	direct
03 Dec - 07 Dec	Singapore Airlines	direct
14 Dec - 21 Dec	Asiana Airlines
22 Dec - 01 Jan	Korean Air
22 Dec - 15 Jan	Korean Air
17 Dec - 26 Dec	Air Premia
17 Dec - 15 Jan	Air Premia
18 Dec - 08 Jan	Zipair
19 Dec - 06 Jan	WestJet
18 Dec - 19 Jan	STARLUX Airlines
14 Dec - 03 Jan	Air Canada
14 Dec - 02 Jan	Air Canada

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

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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Cheapest return flights from Los Angeles to Singapore in December from 588€

Return flights