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

Return flights

07 Dec - 23 Dec	Asiana Airlines
07 Dec - 14 Dec	Asiana Airlines
02 Dec - 16 Dec	United
03 Dec - 10 Dec	United
02 Dec - 11 Dec	United
01 Dec - 17 Dec	United
04 Dec - 23 Dec	Korean Air
04 Dec - 12 Dec	Korean Air
02 Dec - 07 Dec	United
06 Dec - 14 Dec	Turkish Airlines
31 Dec - 16 Jan	United
12 Dec - 13 Jan	Air Premia
31 Dec - 13 Jan	Korean Air
12 Dec - 12 Jan	Air Premia
08 Dec - 09 Jan	Frontier Airlines
28 Dec - 16 Jan	Korean Air
29 Dec - 16 Jan	Frontier Airlines
28 Dec - 13 Jan	Korean Air
28 Dec - 12 Jan	Korean Air
30 Dec - 11 Jan	Korean Air

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 597€

Return flights