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

Return flights

31 Dec - 22 Jan	Korean Air
31 Dec - 15 Jan	Korean Air
31 Dec - 13 Jan	Korean Air
24 Dec - 31 Dec	United
31 Dec - 11 Jan	China Eastern
23 Dec - 31 Dec	United
30 Dec - 08 Jan	United
31 Dec - 10 Jan	Korean Air
31 Dec - 07 Jan	Korean Air
22 Dec - 29 Dec	United
24 Dec - 30 Dec	United
22 Dec - 30 Dec	United
31 Dec - 09 Jan	Air Premia
24 Dec - 01 Jan	United
21 Dec - 28 Dec	United
24 Dec - 28 Dec	Air Canada
29 Dec - 02 Jan	Air Canada
24 Dec - 31 Dec	Singapore Airlines	direct
22 Dec - 26 Dec	Delta
20 Dec - 30 Dec	Delta

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 759€

Return flights