AirHint found the following cheapest return flights from San Francisco (SFO) to Cartagena (CTG) in December 2025 (see full year).
Return flights
| 23 Dec - 04 Jan | Frontier Airlines | ||
| 27 Dec - 01 Jan | Frontier Airlines | ||
| 15 Dec - 20 Dec | Copa | ||
| 27 Dec - 04 Jan | Frontier Airlines | ||
| 27 Dec - 02 Jan | Frontier Airlines | ||
| 22 Dec - 08 Jan | Copa |
Also check the deals for one-way flights from San Francisco to Cartagena in December.
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