Cheapest return flights from Los Angeles to Bangkok in September from $654

Best time to book flights for Los Angeles (LAX) to Bangkok (BKK) flights at AirHint

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

Return flights

01 Sep - 30 Sep Singapore Airlines
24 Sep - 30 Sep Singapore Airlines
16 Sep - 30 Sep Singapore Airlines
03 Sep - 30 Sep Singapore Airlines
17 Sep - 30 Sep Singapore Airlines
02 Sep - 01 Oct Singapore Airlines
24 Sep - 01 Oct Singapore Airlines
17 Sep - 01 Oct Singapore Airlines
30 Sep - 07 Oct Singapore Airlines
17 Sep - 08 Oct Singapore Airlines
24 Sep - 15 Oct Singapore Airlines
30 Sep - 15 Oct Singapore Airlines
03 Sep - 05 Oct Singapore Airlines
23 Sep - 14 Oct Singapore Airlines
24 Sep - 12 Oct Singapore Airlines
09 Sep - 20 Sep Asiana Airlines
08 Sep - 16 Sep Asiana Airlines
01 Sep - 08 Sep Asiana Airlines
02 Sep - 12 Sep Asiana Airlines
03 Sep - 10 Sep Asiana Airlines

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

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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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