AirHint found the following cheapest one-way flights from Los Angeles (LAX) to Bangkok (BKK) in December 2025 (see full year).

One-Way flights

01 Dec	Asiana Airlines
06 Dec	Asiana Airlines
03 Dec	Japan Airlines
30 Dec	Asiana Airlines
27 Dec	Asiana Airlines
11 Dec	Hawaiian Airlines
15 Dec	Japan Airlines
26 Dec	Alaska Airlines
13 Dec	Alaska Airlines
12 Dec	Frontier Airlines

Also check the deals for return flights from Los Angeles to Bangkok in December.

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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Cheapest one-way flights from Los Angeles to Bangkok in December from $392

One-Way flights