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

Return flights

07 Dec - 16 Dec	Korean Air
04 Dec - 15 Dec	China Airlines
04 Dec - 13 Dec	China Airlines
27 Dec - 19 Jan	China Airlines
11 Dec - 18 Dec	Korean Air
09 Dec - 18 Dec	China Airlines
12 Dec - 23 Dec	Korean Air
01 Dec - 12 Jan	China Airlines
25 Dec - 19 Jan	China Airlines
24 Dec - 11 Jan	EVA Air
07 Dec - 19 Dec	Qatar Airways
22 Dec - 29 Dec	China Airlines
22 Dec - 13 Jan	China Airlines
23 Dec - 30 Dec	China Airlines
25 Dec - 07 Jan	Korean Air
22 Dec - 12 Jan	China Airlines
13 Dec - 10 Jan	China Airlines
22 Dec - 19 Jan	China Airlines
25 Dec - 10 Jan	Korean Air
17 Dec - 24 Dec	EVA Air

Also check the deals for one-way flights from Oakland 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 return flights from Oakland to Bangkok in December from $1000

Return flights