Cheapest return flights from Los Angeles to Bangkok in September from $630

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

Return flights

25 Sep - 26 Oct Singapore Airlines
24 Sep - 15 Oct Singapore Airlines
08 Sep - 05 Oct Singapore Airlines
17 Sep - 02 Oct Singapore Airlines
17 Sep - 04 Oct Singapore Airlines
14 Sep - 17 Oct Singapore Airlines
22 Sep - 02 Oct Singapore Airlines
17 Sep - 01 Oct Singapore Airlines
28 Sep - 06 Oct Singapore Airlines
23 Sep - 07 Oct Singapore Airlines
04 Sep - 10 Sep Philippine Airlines
17 Sep - 25 Sep Philippine Airlines
08 Sep - 18 Sep Philippine Airlines
11 Sep - 15 Sep Philippine Airlines
18 Sep - 23 Sep Philippine Airlines
18 Sep - 24 Sep Philippine Airlines
04 Sep - 27 Sep Philippine Airlines
01 Sep - 14 Sep Philippine Airlines
17 Sep - 27 Sep Philippine Airlines
11 Sep - 21 Sep Philippine Airlines

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

Skyscanner

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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