AirHint found the following cheapest return flights from Oakland (OAK) to Bangkok (BKK) in December 2025 (see full year).
Return flights
| 19 Dec - 10 Jan | Hawaiian Airlines | ||
| 19 Dec - 01 Jan | Hawaiian Airlines | ||
| 19 Dec - 02 Jan | Hawaiian Airlines | ||
| 21 Dec - 31 Dec | Hawaiian Airlines |
Also check the deals for one-way flights from Oakland to Bangkok in December.
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