Cheapest return flights from Los Angeles to Bangkok in September from $641

AirHint found the following cheapest return flights from Los Angeles (LAX) to Bangkok (BKK) in September 2026 (see full year).

Return flights

01 Sep - 08 Sep Philippine Airlines
17 Sep - 24 Sep Philippine Airlines
01 Sep - 30 Sep Philippine Airlines
01 Sep - 29 Sep Philippine Airlines
03 Sep - 17 Sep Philippine Airlines
01 Sep - 07 Sep Philippine Airlines
07 Sep - 25 Sep Korean Air
07 Sep - 24 Sep United
03 Sep - 15 Sep United
20 Sep - 02 Oct Korean Air
16 Sep - 26 Sep Korean Air

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

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