AirHint found the following cheapest return flights from Oklahoma City (OKC) to Bangkok (BKK) in December 2025 (see full year).
Return flights
| 01 Dec - 10 Dec | Frontier Airlines | ||
| 08 Dec - 18 Dec | Frontier Airlines | ||
| 02 Dec - 15 Dec | Frontier Airlines | ||
| 30 Dec - 06 Jan | Frontier Airlines | ||
| 24 Dec - 28 Dec | Alaska Airlines |
Also check the deals for one-way flights from Oklahoma City to Bangkok in December.
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