Cheapest return flights from Los Angeles to Bangkok in September from $606

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

22 Sep - 30 Sep Singapore Airlines
26 Sep - 12 Oct Singapore Airlines
22 Sep - 09 Oct Singapore Airlines
26 Sep - 06 Oct Singapore Airlines
26 Sep - 04 Oct Singapore Airlines
22 Sep - 14 Oct Singapore Airlines
26 Sep - 20 Oct Singapore Airlines
22 Sep - 11 Oct Singapore Airlines
14 Sep - 12 Oct Singapore Airlines
22 Sep - 29 Sep Singapore Airlines
15 Sep - 25 Sep Singapore Airlines
15 Sep - 23 Sep Singapore Airlines
18 Sep - 30 Sep Singapore Airlines
23 Sep - 30 Sep Singapore Airlines
16 Sep - 30 Sep Singapore Airlines
10 Sep - 10 Oct Singapore Airlines
24 Sep - 01 Oct Singapore Airlines
02 Sep - 23 Sep Singapore Airlines
02 Sep - 11 Sep Singapore Airlines
04 Sep - 11 Sep Singapore 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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