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

Return flights

01 Dec - 17 Dec	Korean Air
01 Dec - 08 Dec	Korean Air
01 Dec - 18 Dec	Korean Air
01 Dec - 11 Dec	Korean Air
01 Dec - 14 Dec	Korean Air
02 Dec - 09 Dec	Korean Air
04 Dec - 14 Dec	Korean Air
01 Dec - 07 Dec	Korean Air
05 Dec - 12 Dec	Korean Air
03 Dec - 22 Dec	China Eastern
30 Dec - 26 Jan	Delta
29 Dec - 26 Jan	Delta
07 Dec - 28 Jan	Delta
08 Dec - 22 Jan	Korean Air
29 Dec - 25 Jan	Korean Air
29 Dec - 15 Jan	Korean Air
30 Dec - 25 Jan	Korean Air
25 Dec - 26 Jan	Xiamen Airlines
30 Dec - 04 Jan	Korean Air
25 Dec - 04 Jan	Xiamen Airlines

Also check the deals for one-way 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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Los Angeles to Bangkok in December from 583€

Return flights