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

Return flights

20 Sep - 25 Sep	Air Canada
21 Sep - 09 Oct	Air Canada
11 Sep - 18 Sep	Air Canada
25 Sep - 30 Sep	Air Canada
10 Sep - 25 Sep	Air Canada
20 Sep - 28 Sep	Air Canada
27 Sep - 19 Oct	Air Canada
11 Sep - 14 Sep	Air Canada
20 Sep - 30 Sep	Air Canada
06 Sep - 11 Sep	Air Canada
02 Sep - 09 Sep	Air Canada
09 Sep - 26 Sep	Air Canada
30 Sep - 25 Oct	China Airlines
22 Sep - 04 Oct	China Airlines
22 Sep - 09 Oct	China Airlines
26 Sep - 04 Oct	Air Canada
22 Sep - 04 Oct	Singapore Airlines	direct
27 Sep - 19 Oct	Singapore Airlines	direct
20 Sep - 15 Oct	Delta
22 Sep - 09 Oct	Singapore Airlines	direct

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

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 Singapore to Los Angeles in September from 523€

Return flights