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

Return flights

28 Sep - 04 Oct	Zipair
19 Sep - 29 Sep	Asiana Airlines
19 Sep - 22 Sep	Asiana Airlines
19 Sep - 12 Oct	Philippine Airlines
22 Sep - 29 Sep	Asiana Airlines
22 Sep - 05 Oct	Asiana Airlines
19 Sep - 23 Sep	Philippine Airlines
25 Sep - 09 Oct	China Eastern
19 Sep - 25 Sep	Asiana Airlines
20 Sep - 25 Sep	Asiana Airlines
25 Sep - 09 Oct	Air China	direct
22 Sep - 05 Oct	Air China	direct
19 Sep - 21 Sep	Asiana Airlines
20 Sep - 25 Sep	United	direct
22 Sep - 29 Sep	Air China	direct
19 Sep - 12 Oct	Air China	direct
19 Sep - 22 Sep	Air China	direct

Also check the deals for one-way flights from Los Angeles to Beijing 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 Los Angeles to Beijing in September from $695

Return flights