AirHint found the following cheapest return flights from San Francisco (SFO) to Bangkok (BKK) in December 2026 (see full year).
Return flights
| 24 Dec - 31 Dec | Asiana Airlines | ||
| 19 Dec - 30 Dec | Singapore Airlines | ||
| 19 Dec - 01 Jan | Philippine Airlines | ||
| 19 Dec - 05 Jan | Air India |
Also check the deals for one-way flights from San Francisco to Bangkok in December.
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