Cheapest return flights from Los Angeles to Bangkok in September from $653

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
14 Sep - 12 Oct Singapore Airlines
22 Sep - 06 Oct Singapore Airlines
12 Sep - 02 Oct Singapore Airlines
18 Sep - 30 Sep Singapore Airlines
19 Sep - 05 Oct Singapore Airlines
30 Sep - 28 Oct Singapore Airlines
17 Sep - 30 Sep Singapore Airlines
18 Sep - 19 Oct Singapore Airlines
01 Sep - 17 Sep Asiana Airlines
10 Sep - 15 Sep Asiana Airlines
07 Sep - 15 Sep Asiana Airlines
08 Sep - 15 Sep Asiana Airlines
09 Sep - 15 Sep Asiana Airlines
04 Sep - 15 Sep Asiana Airlines
08 Sep - 24 Sep Asiana Airlines
13 Sep - 11 Oct Singapore Airlines
25 Sep - 11 Oct Philippine Airlines
25 Sep - 02 Oct Philippine Airlines
24 Sep - 04 Oct STARLUX 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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok