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

Return flights

23 Sep - 05 Oct	Air Canada
23 Sep - 28 Sep	Air Canada
04 Sep - 11 Sep	Air Canada
10 Sep - 25 Sep	Air Canada
17 Sep - 30 Sep	Air Canada
01 Sep - 08 Sep	Scoot Tigerair
22 Sep - 27 Sep	United
03 Sep - 10 Sep	United
02 Sep - 23 Sep	United
05 Sep - 08 Sep	United
15 Sep - 26 Sep	United
29 Sep - 07 Oct	United
29 Sep - 07 Oct	Singapore Airlines	direct
29 Sep - 12 Oct	Delta
23 Sep - 05 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 $614

Return flights