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

Return flights

02 Dec - 22 Dec	Korean Air
04 Dec - 11 Dec	Korean Air
01 Dec - 15 Dec	Korean Air
02 Dec - 16 Dec	Korean Air
04 Dec - 23 Dec	Korean Air
09 Dec - 23 Dec	Korean Air
06 Dec - 11 Dec	Delta
28 Dec - 04 Jan	Xiamen Airlines
28 Dec - 16 Jan	Xiamen Airlines
08 Dec - 06 Jan	Korean Air
07 Dec - 15 Dec	Asiana Airlines
01 Dec - 15 Dec	Singapore Airlines	direct
02 Dec - 22 Dec	Singapore Airlines	direct
30 Dec - 08 Jan	Xiamen Airlines
30 Dec - 11 Jan	Xiamen Airlines
25 Dec - 01 Jan	Xiamen Airlines
25 Dec - 03 Jan	Xiamen Airlines
11 Dec - 11 Jan	Zipair
12 Dec - 06 Jan	Zipair
11 Dec - 06 Jan	Zipair

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 616€

Return flights